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authorRakesh Bodla <rbodla@nvidia.com>2012-05-24 14:59:34 +0530
committerSimone Willett <swillett@nvidia.com>2012-05-24 14:49:47 -0700
commiteeb3cd3b539cf11d998f0a656b64bd8728de0656 (patch)
tree34bb75ea97b7b50a02a0364e72912c42854e8874 /arch
parentd85b5e5703ef0113cbf10d4c5177a942c9b092ba (diff)
arm: tegra: usb_phy: add common phy interface
Refactored the phy interface to scale multiple usb phy hardware versions and for ease of maintenance. Bug 887361 Change-Id: I08ea9e728f760ca123af7777d3ffabbd71a1aa99 Signed-off-by: Rakesh Bodla <rbodla@nvidia.com> Reviewed-on: http://git-master/r/103598 Reviewed-by: Automatic_Commit_Validation_User Reviewed-by: Venkat Moganty <vmoganty@nvidia.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-tegra/Makefile2
-rw-r--r--arch/arm/mach-tegra/include/mach/usb_phy.h238
-rw-r--r--arch/arm/mach-tegra/tegra2_usb_phy.c1598
-rw-r--r--arch/arm/mach-tegra/tegra3_usb_phy.c2346
-rw-r--r--arch/arm/mach-tegra/tegra_usb_phy.h104
-rw-r--r--arch/arm/mach-tegra/usb_phy.c3391
6 files changed, 4555 insertions, 3124 deletions
diff --git a/arch/arm/mach-tegra/Makefile b/arch/arm/mach-tegra/Makefile
index b1b862ff9376..3b046a93edf5 100644
--- a/arch/arm/mach-tegra/Makefile
+++ b/arch/arm/mach-tegra/Makefile
@@ -38,6 +38,8 @@ obj-y += i2c_error_recovery.o
obj-y += mc.o
obj-$(CONFIG_TEGRA_STAT_MON) += tegra2_statmon.o
obj-$(CONFIG_USB_SUPPORT) += usb_phy.o
+obj-$(CONFIG_USB_SUPPORT) += tegra3_usb_phy.o
+obj-$(CONFIG_USB_SUPPORT) += tegra2_usb_phy.o
obj-$(CONFIG_FIQ) += fiq.o
obj-$(CONFIG_TEGRA_FIQ_DEBUGGER) += tegra_fiq_debugger.o
obj-$(CONFIG_TEGRA_PWM) += pwm.o
diff --git a/arch/arm/mach-tegra/include/mach/usb_phy.h b/arch/arm/mach-tegra/include/mach/usb_phy.h
index 3ad1128e2026..c721642c4417 100644
--- a/arch/arm/mach-tegra/include/mach/usb_phy.h
+++ b/arch/arm/mach-tegra/include/mach/usb_phy.h
@@ -18,150 +18,120 @@
#ifndef __MACH_USB_PHY_H
#define __MACH_USB_PHY_H
-#include <linux/clk.h>
-#include <linux/regulator/consumer.h>
-#include <linux/usb/otg.h>
-#include <linux/platform_data/tegra_usb.h>
-
-struct tegra_utmip_config {
- u8 hssync_start_delay;
- u8 elastic_limit;
- u8 idle_wait_delay;
- u8 term_range_adj;
- u8 xcvr_setup;
- signed char xcvr_setup_offset;
- u8 xcvr_use_fuses;
- u8 xcvr_lsfslew;
- u8 xcvr_lsrslew;
-};
-
-struct tegra_ulpi_trimmer {
- u8 shadow_clk_delay; /* 0 ~ 31 */
- u8 clock_out_delay; /* 0 ~ 31 */
- u8 data_trimmer; /* 0 ~ 7 */
- u8 stpdirnxt_trimmer; /* 0 ~ 7 */
-};
-
-struct tegra_ulpi_config {
- int enable_gpio;
- int reset_gpio;
- const char *clk;
- const struct tegra_ulpi_trimmer *trimmer;
- int (*pre_phy_on)(void);
- int (*post_phy_on)(void);
- int (*pre_phy_off)(void);
- int (*post_phy_off)(void);
- void (*phy_restore_start)(void);
- void (*phy_restore_end)(void);
- int phy_restore_gpio; /* null phy restore ack from device */
- int ulpi_dir_gpio; /* ulpi dir */
- int ulpi_d0_gpio; /* usb linestate[0] */
- int ulpi_d1_gpio; /* usb linestate[1] */
-};
-
-struct tegra_uhsic_config {
- int enable_gpio;
- int reset_gpio;
- u8 sync_start_delay;
- u8 idle_wait_delay;
- u8 term_range_adj;
- u8 elastic_underrun_limit;
- u8 elastic_overrun_limit;
- int (*postsuspend)(void);
- int (*preresume)(void);
- int (*usb_phy_ready)(void);
- int (*post_phy_off)(void);
-};
-
-enum tegra_usb_phy_port_speed {
- TEGRA_USB_PHY_PORT_SPEED_FULL = 0,
- TEGRA_USB_PHY_PORT_SPEED_LOW,
- TEGRA_USB_PHY_PORT_SPEED_HIGH,
-};
-
-enum tegra_usb_phy_mode {
- TEGRA_USB_PHY_MODE_DEVICE,
- TEGRA_USB_PHY_MODE_HOST,
-};
-
-struct usb_phy_plat_data {
- int instance;
- int vbus_irq;
- int vbus_gpio;
- char * vbus_reg_supply;
-};
-
-struct tegra_xtal_freq;
-
-struct tegra_usb_phy {
- int instance;
- const struct tegra_xtal_freq *freq;
- void __iomem *regs;
- void __iomem *pad_regs;
- struct clk *clk;
- struct clk *pll_u;
- struct clk *pad_clk;
- enum tegra_usb_phy_mode mode;
- void *config;
- struct regulator *reg_vdd;
- struct regulator *reg_vbus;
- enum tegra_usb_phy_type usb_phy_type;
- bool regulator_on;
- struct otg_transceiver *ulpi;
- int initialized;
- bool power_on;
- bool remote_wakeup;
- int hotplug;
- unsigned int xcvr_setup_value;
-};
-
-typedef int (*tegra_phy_fp)(struct tegra_usb_phy *phy, bool is_dpd);
-typedef void (*tegra_phy_restore_start_fp)(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed);
-typedef void (*tegra_phy_restore_end_fp)(struct tegra_usb_phy *phy);
-
-struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
- void *config, enum tegra_usb_phy_mode phy_mode,
- enum tegra_usb_phy_type usb_phy_type);
-
-int tegra_usb_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy);
-
-void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy);
-
-void tegra_usb_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_usb_phy_postsuspend(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_usb_phy_preresume(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_usb_phy_postresume(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_ehci_pre_reset(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_ehci_post_reset(struct tegra_usb_phy *phy, bool is_dpd);
-
-void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed);
-
-void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy);
+/**
+ * Tegra USB phy opaque handle
+ */
+struct tegra_usb_phy;
+
+/**
+ * Opens the usb phy associated to the USB platform device
+ * tegra usb phy open must be called before accessing any phy APIs
+ */
+struct tegra_usb_phy *tegra_usb_phy_open(struct platform_device *pdev);
+/**
+ * Closes the phy controller and its resources
+ */
void tegra_usb_phy_close(struct tegra_usb_phy *phy);
-int tegra_usb_phy_bus_connect(struct tegra_usb_phy *phy);
+/**
+ * Handles interrupts specific to the phy interface
+ * Note: udc or ehci driver will handle the controller interrupts
+ */
+int tegra_usb_phy_irq(struct tegra_usb_phy *phy);
+
+/**
+ * Initializes the phy specific functions after phy is power on
+ */
+int tegra_usb_phy_init(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality after driver reset
+ */
+int tegra_usb_phy_reset(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality before driver suspend
+ * Also, handles platform specific pre suspend functions
+ */
+int tegra_usb_phy_pre_suspend(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific suspend functionality
+ */
+int tegra_usb_phy_suspend(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality after driver suspend
+ */
+int tegra_usb_phy_post_suspend(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality before driver resume
+ * Also, handles platform specific pre resume functions
+ */
+int tegra_usb_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup);
+
+/**
+ * Handles phy interface specific resume functionality
+ */
+int tegra_usb_phy_resume(struct tegra_usb_phy *phy);
+/**
+ * Handles phy interface specific functionality after driver resume
+ */
+int tegra_usb_phy_post_resume(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality during port power on
+ */
+int tegra_usb_phy_port_power(struct tegra_usb_phy *phy);
+
+/**
+ * Handles phy interface specific functionality during bus reset
+ */
int tegra_usb_phy_bus_reset(struct tegra_usb_phy *phy);
-int tegra_usb_phy_bus_idle(struct tegra_usb_phy *phy);
+/**
+ * Handles phy interface specific functionality for turning off the phy to
+ * put the phy in low power mode
+ */
+int tegra_usb_phy_power_off(struct tegra_usb_phy *phy);
-bool tegra_usb_phy_is_device_connected(struct tegra_usb_phy *phy);
+/**
+ * Handles phy interface specific functionality for turning on the phy to
+ * bring phy out of low power mode
+ */
+int tegra_usb_phy_power_on(struct tegra_usb_phy *phy);
-bool tegra_usb_phy_charger_detect(struct tegra_usb_phy *phy);
+/**
+ * Indicates whether phy registers are accessible or not
+ * if phy is powered off then returns false else true
+ */
+bool tegra_usb_phy_hw_accessible(struct tegra_usb_phy *phy);
+
+/**
+ * Indicates whether compliance charger is connected or not
+ * if compliance charger is detected then returns true else false
+ */
+bool tegra_usb_phy_charger_detected(struct tegra_usb_phy *phy);
+
+/**
+ * Indicates whether phy resumed due to the remote wake event or not
+ * returns true if remote wake is detected.
+ */
+bool tegra_usb_phy_remote_wakeup(struct tegra_usb_phy *phy);
+
+/**
+ * Indicates controller has HOST PC register set or not
+ */
+bool tegra_usb_phy_has_hostpc(struct tegra_usb_phy *phy);
-int __init tegra_usb_phy_init(struct usb_phy_plat_data *pdata, int size);
+/**
+ * Indicates controller port supports OTG or not
+ */
+bool tegra_usb_phy_otg_supported(struct tegra_usb_phy *phy);
-bool tegra_usb_phy_is_remotewake_detected(struct tegra_usb_phy *phy);
void tegra_usb_phy_memory_prefetch_on(struct tegra_usb_phy *phy);
diff --git a/arch/arm/mach-tegra/tegra2_usb_phy.c b/arch/arm/mach-tegra/tegra2_usb_phy.c
new file mode 100644
index 000000000000..819721c49a29
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra2_usb_phy.c
@@ -0,0 +1,1598 @@
+/*
+ * arch/arm/mach-tegra/tegra2_usb_phy.c
+ *
+ * Copyright (C) 2011 NVIDIA Corporation
+ *
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/resource.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/usb/otg.h>
+#include <linux/usb/ulpi.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+#include <linux/platform_data/tegra_usb.h>
+#include <mach/iomap.h>
+#include <mach/pinmux.h>
+#include <asm/mach-types.h>
+#include <mach/usb_phy.h>
+#include "tegra_usb_phy.h"
+#include "fuse.h"
+
+
+#define USB_USBCMD 0x140
+#define USB_USBCMD_RS (1 << 0)
+#define USB_USBCMD_RESET (1 << 1)
+
+#define USB_USBSTS 0x144
+#define USB_USBSTS_PCI (1 << 2)
+#define USB_USBSTS_SRI (1 << 7)
+#define USB_USBSTS_HCH (1 << 12)
+
+#define USB_ASYNCLISTADDR 0x158
+
+#define USB_TXFILLTUNING 0x164
+#define USB_FIFO_TXFILL_THRES(x) (((x) & 0x1f) << 16)
+#define USB_FIFO_TXFILL_MASK 0x1f0000
+
+#define ULPI_VIEWPORT 0x170
+#define ULPI_WAKEUP (1 << 31)
+#define ULPI_RUN (1 << 30)
+#define ULPI_RD_WR (1 << 29)
+
+#define USB_PORTSC 0x184
+#define USB_PORTSC_PTS(x) (((x) & 0x3) << 30)
+#define USB_PORTSC_PSPD(x) (((x) & 0x3) << 26)
+#define USB_PORTSC_PHCD (1 << 23)
+#define USB_PORTSC_WKOC (1 << 22)
+#define USB_PORTSC_WKDS (1 << 21)
+#define USB_PORTSC_WKCN (1 << 20)
+#define USB_PORTSC_PTC(x) (((x) & 0xf) << 16)
+#define USB_PORTSC_PP (1 << 12)
+#define USB_PORTSC_LS(x) (((x) & 0x3) << 10)
+#define USB_PORTSC_SUSP (1 << 7)
+#define USB_PORTSC_OCC (1 << 5)
+#define USB_PORTSC_PEC (1 << 3)
+#define USB_PORTSC_PE (1 << 2)
+#define USB_PORTSC_CSC (1 << 1)
+#define USB_PORTSC_CCS (1 << 0)
+#define USB_PORTSC_RWC_BITS (USB_PORTSC_CSC | USB_PORTSC_PEC | USB_PORTSC_OCC)
+#define USB_PORTSC_PSPD_MASK 3
+
+#define USB_USBMODE_REG_OFFSET 0x1a8
+#define USB_USBMODE_MASK (3 << 0)
+#define USB_USBMODE_HOST (3 << 0)
+#define USB_USBMODE_DEVICE (2 << 0)
+
+#define USB_SUSP_CTRL 0x400
+#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3)
+#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4)
+#define USB_SUSP_CLR (1 << 5)
+#define USB_CLKEN (1 << 6)
+#define USB_PHY_CLK_VALID (1 << 7)
+#define USB_PHY_CLK_VALID_INT_ENB (1 << 9)
+#define UTMIP_RESET (1 << 11)
+#define UHSIC_RESET (1 << 11)
+#define UTMIP_PHY_ENABLE (1 << 12)
+#define UHSIC_PHY_ENABLE (1 << 12)
+#define ULPI_PHY_ENABLE (1 << 13)
+#define USB_SUSP_SET (1 << 14)
+#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16)
+#define USB_PHY_CLK_VALID_INT_STS (1 << 8)
+
+#define USB_PHY_VBUS_WAKEUP_ID 0x408
+#define VDAT_DET_INT_EN (1 << 16)
+#define VDAT_DET_CHG_DET (1 << 17)
+#define VDAT_DET_STS (1 << 18)
+#define USB_ID_STATUS (1 << 2)
+
+#define USB1_LEGACY_CTRL 0x410
+#define USB1_NO_LEGACY_MODE (1 << 0)
+#define USB1_VBUS_SENSE_CTL_MASK (3 << 1)
+#define USB1_VBUS_SENSE_CTL_VBUS_WAKEUP (0 << 1)
+#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP \
+ (1 << 1)
+#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD (2 << 1)
+#define USB1_VBUS_SENSE_CTL_A_SESS_VLD (3 << 1)
+
+#define ULPIS2S_CTRL 0x418
+#define ULPIS2S_ENA (1 << 0)
+#define ULPIS2S_SUPPORT_DISCONNECT (1 << 2)
+#define ULPIS2S_PLLU_MASTER_BLASTER60 (1 << 3)
+#define ULPIS2S_SPARE(x) (((x) & 0xF) << 8)
+#define ULPIS2S_FORCE_ULPI_CLK_OUT (1 << 12)
+#define ULPIS2S_DISCON_DONT_CHECK_SE0 (1 << 13)
+#define ULPIS2S_SUPPORT_HS_KEEP_ALIVE (1 << 14)
+#define ULPIS2S_DISABLE_STP_PU (1 << 15)
+#define ULPIS2S_SLV0_CLAMP_XMIT (1 << 16)
+
+#define ULPI_TIMING_CTRL_0 0x424
+#define ULPI_CLOCK_OUT_DELAY(x) ((x) & 0x1F)
+#define ULPI_OUTPUT_PINMUX_BYP (1 << 10)
+#define ULPI_CLKOUT_PINMUX_BYP (1 << 11)
+#define ULPI_SHADOW_CLK_LOOPBACK_EN (1 << 12)
+#define ULPI_SHADOW_CLK_SEL (1 << 13)
+#define ULPI_CORE_CLK_SEL (1 << 14)
+#define ULPI_SHADOW_CLK_DELAY(x) (((x) & 0x1F) << 16)
+#define ULPI_LBK_PAD_EN (1 << 26)
+#define ULPI_LBK_PAD_E_INPUT_OR (1 << 27)
+#define ULPI_CLK_OUT_ENA (1 << 28)
+#define ULPI_CLK_PADOUT_ENA (1 << 29)
+
+#define ULPI_TIMING_CTRL_1 0x428
+#define ULPI_DATA_TRIMMER_LOAD (1 << 0)
+#define ULPI_DATA_TRIMMER_SEL(x) (((x) & 0x7) << 1)
+#define ULPI_STPDIRNXT_TRIMMER_LOAD (1 << 16)
+#define ULPI_STPDIRNXT_TRIMMER_SEL(x) (((x) & 0x7) << 17)
+#define ULPI_DIR_TRIMMER_LOAD (1 << 24)
+#define ULPI_DIR_TRIMMER_SEL(x) (((x) & 0x7) << 25)
+
+#define UTMIP_PLL_CFG1 0x804
+#define UHSIC_PLL_CFG1 0x804
+#define UTMIP_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UTMIP_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
+#define UHSIC_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UHSIC_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 14)
+
+#define UTMIP_XCVR_UHSIC_HSRX_CFG0 0x808
+#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0)
+#define UHSIC_ELASTIC_UNDERRUN_LIMIT(x) (((x) & 0x1f) << 2)
+#define UHSIC_ELASTIC_OVERRUN_LIMIT(x) (((x) & 0x1f) << 8)
+#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8)
+#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10)
+#define UHSIC_IDLE_WAIT(x) (((x) & 0x1f) << 13)
+#define UTMIP_FORCE_PD_POWERDOWN (1 << 14)
+#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16)
+#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18)
+#define UTMIP_XCVR_LSBIAS_SEL (1 << 21)
+#define UTMIP_XCVR_SETUP_MSB(x) (((x) & 0x7) << 22)
+#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25)
+#define UTMIP_XCVR_MAX_OFFSET 2
+#define UTMIP_XCVR_SETUP_MAX_VALUE 0x7f
+#define UTMIP_XCVR_SETUP_MIN_VALUE 0
+#define XCVR_SETUP_MSB_CALIB(x) ((x) >> 4)
+
+#define UTMIP_BIAS_CFG0 0x80c
+#define UTMIP_OTGPD (1 << 11)
+#define UTMIP_BIASPD (1 << 10)
+
+#define UHSIC_HSRX_CFG1 0x80c
+#define UHSIC_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
+
+#define UTMIP_HSRX_CFG0 0x810
+#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10)
+#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15)
+
+#define UTMIP_HSRX_CFG1 0x814
+#define UHSIC_MISC_CFG0 0x814
+#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
+#define UHSIC_SUSPEND_EXIT_ON_EDGE (1 << 7)
+#define UHSIC_DETECT_SHORT_CONNECT (1 << 8)
+#define UHSIC_FORCE_XCVR_MODE (1 << 15)
+
+#define UHSIC_MISC_CFG1 0x818
+#define UHSIC_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 2)
+
+#define UHSIC_PADS_CFG0 0x81c
+#define UHSIC_TX_RTUNEN 0xf000
+#define UHSIC_TX_RTUNE(x) (((x) & 0xf) << 12)
+
+#define UTMIP_TX_CFG0 0x820
+#define UHSIC_PADS_CFG1 0x820
+#define UHSIC_PD_BG (1 << 2)
+#define UHSIC_PD_TX (1 << 3)
+#define UHSIC_PD_TRK (1 << 4)
+#define UHSIC_PD_RX (1 << 5)
+#define UHSIC_PD_ZI (1 << 6)
+#define UHSIC_RX_SEL (1 << 7)
+#define UHSIC_RPD_DATA (1 << 9)
+#define UHSIC_RPD_STROBE (1 << 10)
+#define UHSIC_RPU_DATA (1 << 11)
+#define UHSIC_RPU_STROBE (1 << 12)
+#define UTMIP_FS_PREABMLE_J (1 << 19)
+#define UTMIP_HS_DISCON_DISABLE (1 << 8)
+
+#define UTMIP_MISC_CFG0 0x824
+#define UTMIP_DPDM_OBSERVE (1 << 26)
+#define UTMIP_DPDM_OBSERVE_SEL(x) (((x) & 0xf) << 27)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_J UTMIP_DPDM_OBSERVE_SEL(0xf)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_K UTMIP_DPDM_OBSERVE_SEL(0xe)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_SE1 UTMIP_DPDM_OBSERVE_SEL(0xd)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_SE0 UTMIP_DPDM_OBSERVE_SEL(0xc)
+#define UTMIP_SUSPEND_EXIT_ON_EDGE (1 << 22)
+#define FORCE_PULLDN_DM (1 << 8)
+#define FORCE_PULLDN_DP (1 << 9)
+#define COMB_TERMS (1 << 0)
+#define ALWAYS_FREE_RUNNING_TERMS (1 << 1)
+
+#define USB1_PREFETCH_ID 6
+#define USB2_PREFETCH_ID 18
+#define USB3_PREFETCH_ID 17
+
+#define UTMIP_MISC_CFG1 0x828
+#define UTMIP_PLL_ACTIVE_DLY_COUNT(x) (((x) & 0x1f) << 18)
+#define UTMIP_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 6)
+
+#define UHSIC_STAT_CFG0 0x828
+#define UHSIC_CONNECT_DETECT (1 << 0)
+
+#define UTMIP_DEBOUNCE_CFG0 0x82c
+#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0)
+
+#define UTMIP_BAT_CHRG_CFG0 0x830
+#define UTMIP_PD_CHRG (1 << 0)
+#define UTMIP_ON_SINK_EN (1 << 2)
+#define UTMIP_OP_SRC_EN (1 << 3)
+
+#define UTMIP_SPARE_CFG0 0x834
+#define FUSE_SETUP_SEL (1 << 3)
+#define FUSE_ATERM_SEL (1 << 4)
+
+#define UTMIP_XCVR_CFG1 0x838
+#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0)
+#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2)
+#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4)
+#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18)
+
+#define UTMIP_BIAS_CFG1 0x83c
+#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3)
+
+#define FUSE_USB_CALIB_0 0x1F0
+#define FUSE_USB_CALIB_XCVR_SETUP(x) (((x) & 0x7F) << 0)
+
+/* These values (in milli second) are taken from the battery charging spec */
+#define TDP_SRC_ON_MS 100
+#define TDPSRC_CON_MS 40
+
+#ifdef DEBUG
+#define DBG(stuff...) pr_info("tegra2_usb_phy: " stuff)
+#else
+#define DBG(stuff...) do {} while (0)
+#endif
+
+static DEFINE_SPINLOCK(utmip_pad_lock);
+static int utmip_pad_count;
+static int utmip_pad_state_on;
+
+static struct tegra_xtal_freq utmip_freq_table[] = {
+ {
+ .freq = 12000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x2F,
+ .active_delay = 0x04,
+ .xtal_freq_count = 0x76,
+ .debounce = 0x7530,
+ .pdtrk_count = 5,
+ },
+ {
+ .freq = 13000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x33,
+ .active_delay = 0x05,
+ .xtal_freq_count = 0x7F,
+ .debounce = 0x7EF4,
+ .pdtrk_count = 5,
+ },
+ {
+ .freq = 19200000,
+ .enable_delay = 0x03,
+ .stable_count = 0x4B,
+ .active_delay = 0x06,
+ .xtal_freq_count = 0xBB,
+ .debounce = 0xBB80,
+ .pdtrk_count = 7,
+ },
+ {
+ .freq = 26000000,
+ .enable_delay = 0x04,
+ .stable_count = 0x66,
+ .active_delay = 0x09,
+ .xtal_freq_count = 0xFE,
+ .debounce = 0xFDE8,
+ .pdtrk_count = 9,
+ },
+};
+
+static struct tegra_xtal_freq uhsic_freq_table[] = {
+ {
+ .freq = 12000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x2F,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x1CA,
+ },
+ {
+ .freq = 13000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x33,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x1F0,
+ },
+ {
+ .freq = 19200000,
+ .enable_delay = 0x03,
+ .stable_count = 0x4B,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x2DD,
+ },
+ {
+ .freq = 26000000,
+ .enable_delay = 0x04,
+ .stable_count = 0x66,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x3E0,
+ },
+};
+
+static void usb_phy_fence_read(struct tegra_usb_phy *phy)
+{
+ /* Fence read for coherency of AHB master intiated writes */
+ if (phy->inst == 0)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB1_PREFETCH_ID));
+ else if (phy->inst == 1)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB2_PREFETCH_ID));
+ else if (phy->inst == 2)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB3_PREFETCH_ID));
+
+ return;
+}
+
+static int usb_phy_bringup_host_controller(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x] port_speed[%d] - 0\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC),
+ phy->port_speed);
+
+ /* enable host mode */
+ val = readl(base + USB_USBMODE_REG_OFFSET);
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE_REG_OFFSET);
+
+ /* Enable Port Power */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PP;
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ /* Check if the phy resume from LP0. When the phy resume from LP0
+ * USB register will be reset.to zero */
+ if (!readl(base + USB_ASYNCLISTADDR)) {
+ val = readl(base + USB_USBCMD);
+ val |= USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ /* Program the field PTC based on the saved speed mode */
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTC(~0));
+ if (phy->port_speed == USB_PHY_PORT_SPEED_HIGH)
+ val |= USB_PORTSC_PTC(5);
+ else if (phy->port_speed == USB_PHY_PORT_SPEED_FULL)
+ val |= USB_PORTSC_PTC(6);
+ else if (phy->port_speed == USB_PHY_PORT_SPEED_LOW)
+ val |= USB_PORTSC_PTC(7);
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ /* Disable test mode by setting PTC field to NORMAL_OP */
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTC(~0));
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+ }
+
+ /* Poll until CCS is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_CCS,
+ USB_PORTSC_CCS, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_CCS\n", __func__);
+ }
+
+ /* Poll until PE is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_PE,
+ USB_PORTSC_PE, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_PE\n", __func__);
+ }
+
+ /* Clear the PCI status, to avoid an interrupt taken upon resume */
+ val = readl(base + USB_USBSTS);
+ val |= USB_USBSTS_PCI;
+ writel(val, base + USB_USBSTS);
+
+ /* Put controller in suspend mode by writing 1 to SUSP bit of PORTSC */
+ val = readl(base + USB_PORTSC);
+ if ((val & USB_PORTSC_PP) && (val & USB_PORTSC_PE)) {
+ val |= USB_PORTSC_SUSP;
+ writel(val, base + USB_PORTSC);
+ /* Need a 4ms delay before the controller goes to suspend */
+ mdelay(4);
+
+ /* Wait until port suspend completes */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_SUSP,
+ USB_PORTSC_SUSP, 1000)) {
+ pr_err("%s: timeout waiting for PORT_SUSPEND\n",
+ __func__);
+ }
+ }
+
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+
+ return 0;
+}
+
+static void usb_phy_wait_for_sof(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + USB_USBSTS);
+ writel(val, base + USB_USBSTS);
+ udelay(20);
+ /* wait for two SOFs */
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI,
+ USB_USBSTS_SRI, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ val = readl(base + USB_USBSTS);
+ writel(val, base + USB_USBSTS);
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI, 0, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI,
+ USB_USBSTS_SRI, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ udelay(20);
+}
+
+static unsigned int utmi_phy_xcvr_setup_value(struct tegra_usb_phy *phy)
+{
+ struct tegra_utmi_config *cfg = &phy->pdata->u_cfg.utmi;
+ signed long val;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (cfg->xcvr_use_fuses) {
+ val = FUSE_USB_CALIB_XCVR_SETUP(
+ tegra_fuse_readl(FUSE_USB_CALIB_0));
+ if (cfg->xcvr_setup_offset <= UTMIP_XCVR_MAX_OFFSET)
+ val = val + cfg->xcvr_setup_offset;
+
+ if (val > UTMIP_XCVR_SETUP_MAX_VALUE) {
+ val = UTMIP_XCVR_SETUP_MAX_VALUE;
+ pr_info("%s: reset XCVR_SETUP to max value\n",
+ __func__);
+ } else if (val < UTMIP_XCVR_SETUP_MIN_VALUE) {
+ val = UTMIP_XCVR_SETUP_MIN_VALUE;
+ pr_info("%s: reset XCVR_SETUP to min value\n",
+ __func__);
+ }
+ } else {
+ val = cfg->xcvr_setup;
+ }
+
+ return (unsigned int) val;
+}
+
+
+static int utmi_phy_open(struct tegra_usb_phy *phy)
+{
+ unsigned long parent_rate;
+ int i;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ phy->utmi_pad_clk = clk_get_sys("utmip-pad", NULL);
+ if (IS_ERR(phy->utmi_pad_clk)) {
+ pr_err("%s: can't get utmip pad clock\n", __func__);
+ return PTR_ERR(phy->utmi_pad_clk);
+ }
+
+ phy->utmi_xcvr_setup = utmi_phy_xcvr_setup_value(phy);
+
+ parent_rate = clk_get_rate(clk_get_parent(phy->pllu_clk));
+ for (i = 0; i < ARRAY_SIZE(utmip_freq_table); i++) {
+ if (utmip_freq_table[i].freq == parent_rate) {
+ phy->freq = &utmip_freq_table[i];
+ break;
+ }
+ }
+ if (!phy->freq) {
+ pr_err("invalid pll_u parent rate %ld\n", parent_rate);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static void utmi_phy_close(struct tegra_usb_phy *phy)
+{
+ DBG("%s inst:[%d]\n", __func__, phy->inst);
+
+ clk_put(phy->utmi_pad_clk);
+}
+
+static int utmi_phy_pad_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val, flags;
+ void __iomem *pad_base = IO_ADDRESS(TEGRA_USB_BASE);
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ clk_enable(phy->utmi_pad_clk);
+
+ spin_lock_irqsave(&utmip_pad_lock, flags);
+
+ utmip_pad_count++;
+ val = readl(pad_base + UTMIP_BIAS_CFG0);
+ val &= ~(UTMIP_OTGPD | UTMIP_BIASPD);
+ writel(val, pad_base + UTMIP_BIAS_CFG0);
+ utmip_pad_state_on = true;
+
+ spin_unlock_irqrestore(&utmip_pad_lock, flags);
+
+ clk_disable(phy->utmi_pad_clk);
+
+ return 0;
+}
+
+static int utmi_phy_pad_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val, flags;
+ void __iomem *pad_base = IO_ADDRESS(TEGRA_USB_BASE);
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ clk_enable(phy->utmi_pad_clk);
+ spin_lock_irqsave(&utmip_pad_lock, flags);
+
+ if (!utmip_pad_count) {
+ pr_err("%s: utmip pad already powered off\n", __func__);
+ goto out;
+ }
+ if (--utmip_pad_count == 0) {
+ val = readl(pad_base + UTMIP_BIAS_CFG0);
+ val |= UTMIP_OTGPD | UTMIP_BIASPD;
+ writel(val, pad_base + UTMIP_BIAS_CFG0);
+ utmip_pad_state_on = false;
+ }
+out:
+ spin_unlock_irqrestore(&utmip_pad_lock, flags);
+ clk_disable(phy->utmi_pad_clk);
+
+ return 0;
+}
+
+static int utmi_phy_irq(struct tegra_usb_phy *phy)
+{
+ void __iomem *base = phy->regs;
+ unsigned long val = 0;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ usb_phy_fence_read(phy);
+ if (phy->pdata->u_data.host.hot_plug) {
+ val = readl(base + USB_SUSP_CTRL);
+ if ((val & USB_PHY_CLK_VALID_INT_STS)) {
+ val &= ~USB_PHY_CLK_VALID_INT_ENB |
+ USB_PHY_CLK_VALID_INT_STS;
+ writel(val , (base + USB_SUSP_CTRL));
+ pr_info("%s: usb device plugged-in\n", __func__);
+ val = readl(base + USB_USBSTS);
+ if (!(val & USB_USBSTS_PCI))
+ return IRQ_NONE;
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_WKCN | USB_PORTSC_RWC_BITS);
+ writel(val , (base + USB_PORTSC));
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
+
+static int utmi_phy_post_resume(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ val = readl(base + UTMIP_TX_CFG0);
+ val &= ~UTMIP_HS_DISCON_DISABLE;
+ writel(val, base + UTMIP_TX_CFG0);
+ return 0;
+}
+
+static int utmi_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + UTMIP_TX_CFG0);
+ val |= UTMIP_HS_DISCON_DISABLE;
+ writel(val, base + UTMIP_TX_CFG0);
+
+ usb_phy_wait_for_sof(phy);
+
+ return 0;
+}
+
+static int utmi_phy_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~(USB_WAKEUP_DEBOUNCE_COUNT(~0));
+ val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5);
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ }
+
+ if (!phy->pdata->u_data.host.hot_plug) {
+ val = readl(base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+ val |= (UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN |
+ UTMIP_FORCE_PDZI_POWERDOWN);
+ writel(val, base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+ }
+
+ val = readl(base + UTMIP_XCVR_CFG1);
+ val |= UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
+ UTMIP_FORCE_PDDR_POWERDOWN;
+ writel(val, base + UTMIP_XCVR_CFG1);
+
+ if (phy->inst != 0) {
+ val = readl(base + UTMIP_BIAS_CFG0);
+ val |= UTMIP_OTGPD;
+ writel(val, base + UTMIP_BIAS_CFG0);
+ }
+
+ phy->port_speed = (readl(base + USB_PORTSC) >> 26) &
+ USB_PORTSC_PSPD_MASK;
+
+ if (phy->pdata->u_data.host.hot_plug) {
+ bool enable_hotplug = true;
+ /* if it is OTG port then make sure to enable hot-plug feature
+ only if host adaptor is connected, i.e id is low */
+ if (phy->pdata->port_otg) {
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ enable_hotplug = (val & USB_ID_STATUS) ? false : true;
+ }
+ if (enable_hotplug) {
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_WKCN;
+ writel(val, base + USB_PORTSC);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= USB_PHY_CLK_VALID_INT_ENB;
+ writel(val, base + USB_SUSP_CTRL);
+ } else {
+ /* Disable PHY clock valid interrupts while going into suspend*/
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_PHY_CLK_VALID_INT_ENB;
+ writel(val, base + USB_SUSP_CTRL);
+ }
+ }
+
+ if (phy->inst == 2) {
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PHCD;
+ writel(val, base + USB_PORTSC);
+ } else {
+ val = readl(base + USB_SUSP_CTRL);
+ val |= USB_SUSP_SET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(10);
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_SUSP_SET;
+ writel(val, base + USB_SUSP_CTRL);
+ }
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ 0, 2500))
+ pr_warn("%s: timeout waiting for phy to stabilize\n", __func__);
+
+ utmi_phy_pad_power_off(phy);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ DBG("%s(%d) inst:[%d]END\n", __func__, __LINE__, phy->inst);
+
+ return 0;
+}
+
+static int utmi_phy_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ struct tegra_utmi_config *config = &phy->pdata->u_cfg.utmi;
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already on\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_TX_CFG0);
+ val |= UTMIP_FS_PREABMLE_J;
+ writel(val, base + UTMIP_TX_CFG0);
+
+ val = readl(base + UTMIP_HSRX_CFG0);
+ val &= ~(UTMIP_IDLE_WAIT(~0) | UTMIP_ELASTIC_LIMIT(~0));
+ val |= UTMIP_IDLE_WAIT(config->idle_wait_delay);
+ val |= UTMIP_ELASTIC_LIMIT(config->elastic_limit);
+ writel(val, base + UTMIP_HSRX_CFG0);
+
+ val = readl(base + UTMIP_HSRX_CFG1);
+ val &= ~(UTMIP_HS_SYNC_START_DLY(~0));
+ val |= UTMIP_HS_SYNC_START_DLY(config->hssync_start_delay);
+ writel(val, base + UTMIP_HSRX_CFG1);
+
+ val = readl(base + UTMIP_DEBOUNCE_CFG0);
+ val &= ~UTMIP_BIAS_DEBOUNCE_A(~0);
+ val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce);
+ writel(val, base + UTMIP_DEBOUNCE_CFG0);
+
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_SUSPEND_EXIT_ON_EDGE;
+ writel(val, base + UTMIP_MISC_CFG0);
+
+ val = readl(base + UTMIP_MISC_CFG1);
+ val &= ~(UTMIP_PLL_ACTIVE_DLY_COUNT(~0) | UTMIP_PLLU_STABLE_COUNT(~0));
+ val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) |
+ UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count);
+ writel(val, base + UTMIP_MISC_CFG1);
+
+ val = readl(base + UTMIP_PLL_CFG1);
+ val &= ~(UTMIP_XTAL_FREQ_COUNT(~0) | UTMIP_PLLU_ENABLE_DLY_COUNT(~0));
+ val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) |
+ UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
+ writel(val, base + UTMIP_PLL_CFG1);
+
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV);
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val &= ~UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ } else {
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ }
+
+ utmi_phy_pad_power_on(phy);
+
+ val = readl(base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+ val &= ~(UTMIP_XCVR_LSBIAS_SEL | UTMIP_FORCE_PD_POWERDOWN |
+ UTMIP_FORCE_PD2_POWERDOWN | UTMIP_FORCE_PDZI_POWERDOWN |
+ UTMIP_XCVR_SETUP(~0) | UTMIP_XCVR_LSFSLEW(~0) |
+ UTMIP_XCVR_LSRSLEW(~0) | UTMIP_XCVR_HSSLEW_MSB(~0));
+ val |= UTMIP_XCVR_SETUP(phy->utmi_xcvr_setup);
+ val |= UTMIP_XCVR_SETUP_MSB(XCVR_SETUP_MSB_CALIB(phy->utmi_xcvr_setup));
+ val |= UTMIP_XCVR_LSFSLEW(config->xcvr_lsfslew);
+ val |= UTMIP_XCVR_LSRSLEW(config->xcvr_lsrslew);
+
+ writel(val, base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+
+ val = readl(base + UTMIP_XCVR_CFG1);
+ val &= ~(UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
+ UTMIP_FORCE_PDDR_POWERDOWN | UTMIP_XCVR_TERM_RANGE_ADJ(~0));
+ val |= UTMIP_XCVR_TERM_RANGE_ADJ(config->term_range_adj);
+ writel(val, base + UTMIP_XCVR_CFG1);
+
+
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val &= ~(UTMIP_BIAS_PDTRK_COUNT(~0));
+ val |= UTMIP_BIAS_PDTRK_COUNT(phy->freq->pdtrk_count);
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ val = readl(base + UTMIP_SPARE_CFG0);
+ val &= ~FUSE_SETUP_SEL;
+ writel(val, base + UTMIP_SPARE_CFG0);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ if (phy->inst == 0) {
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_SUSP_SET;
+ writel(val, base + USB_SUSP_CTRL);
+ } else {
+ val = readl(base + USB_PORTSC);
+ val &= ~USB_PORTSC_PHCD;
+ writel(val, base + USB_PORTSC);
+ }
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL,
+ USB_PHY_CLK_VALID, USB_PHY_CLK_VALID, 2500))
+ pr_warn("%s: timeout waiting for phy to stabilize\n", __func__);
+
+ if (phy->inst == 2) {
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTS(~0));
+ writel(val, base + USB_PORTSC);
+ }
+
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+
+ return 0;
+}
+
+static void utmi_phy_restore_start(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~(UTMIP_DPDM_OBSERVE_SEL(~0));
+
+ if (phy->port_speed == USB_PHY_PORT_SPEED_LOW)
+ val |= UTMIP_DPDM_OBSERVE_SEL_FS_K;
+ else
+ val |= UTMIP_DPDM_OBSERVE_SEL_FS_J;
+ writel(val, base + UTMIP_MISC_CFG0);
+ udelay(1);
+
+ val = readl(base + UTMIP_MISC_CFG0);
+ val |= UTMIP_DPDM_OBSERVE;
+ writel(val, base + UTMIP_MISC_CFG0);
+ udelay(10);
+}
+
+static void utmi_phy_restore_end(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_DPDM_OBSERVE;
+ writel(val, base + UTMIP_MISC_CFG0);
+ udelay(10);
+}
+
+
+static int utmi_phy_resume(struct tegra_usb_phy *phy)
+{
+ int status = 0;
+ unsigned long val, flags;
+ void __iomem *base = phy->regs;
+ void __iomem *pad_base = IO_ADDRESS(TEGRA_USB_BASE);
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_HOST) {
+ if (phy->port_speed < USB_PHY_PORT_SPEED_UNKNOWN) {
+ utmi_phy_restore_start(phy);
+ usb_phy_bringup_host_controller(phy);
+ utmi_phy_restore_end(phy);
+ } else {
+ /* device is plugged in when system is in LP0 */
+ /* bring up the controller from LP0*/
+ val = readl(base + USB_USBCMD);
+ val |= USB_USBCMD_RESET;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD,
+ USB_USBCMD_RESET, 0, 2500) < 0) {
+ pr_err("%s: timeout waiting for reset\n", __func__);
+ }
+
+ val = readl(base + USB_USBMODE_REG_OFFSET);
+ val &= ~USB_USBMODE_MASK;
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE_REG_OFFSET);
+
+ if (phy->inst == 2) {
+ val = readl(base + USB_PORTSC);
+ val &= ~USB_PORTSC_PTS(~0);
+ writel(val, base + USB_PORTSC);
+ }
+ writel(USB_USBCMD_RS, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD,
+ USB_USBCMD_RS, USB_USBCMD_RS, 2500) < 0) {
+ pr_err("%s: timeout waiting for run bit\n", __func__);
+ }
+
+ /* Enable Port Power */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PP;
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+ }
+ } else {
+ /* Restoring the pad powers */
+ clk_enable(phy->utmi_pad_clk);
+
+ spin_lock_irqsave(&utmip_pad_lock, flags);
+
+ val = readl(pad_base + UTMIP_BIAS_CFG0);
+ if (utmip_pad_state_on)
+ val &= ~(UTMIP_OTGPD | UTMIP_BIASPD);
+ else
+ val |= (UTMIP_OTGPD | UTMIP_BIASPD);
+ writel(val, pad_base + UTMIP_BIAS_CFG0);
+
+ spin_unlock_irqrestore(&utmip_pad_lock, flags);
+ clk_disable(phy->utmi_pad_clk);
+ }
+
+ return status;
+}
+
+static bool utmi_phy_charger_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ bool status;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ /* Enable charger detection logic */
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+
+ /* Source should be on for 100 ms as per USB charging spec */
+ msleep(TDP_SRC_ON_MS);
+
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ /* If charger is not connected disable the interrupt */
+ val &= ~VDAT_DET_INT_EN;
+ val |= VDAT_DET_CHG_DET;
+ writel(val, base + USB_PHY_VBUS_WAKEUP_ID);
+
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ if (val & VDAT_DET_STS)
+ status = true;
+ else
+ status = false;
+
+ /* Disable charger detection logic */
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val &= ~(UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN);
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+
+ /* Delay of 40 ms before we pull the D+ as per battery charger spec */
+ msleep(TDPSRC_CON_MS);
+
+ return status;
+}
+
+
+static int uhsic_phy_open(struct tegra_usb_phy *phy)
+{
+ unsigned long parent_rate;
+ int i;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ parent_rate = clk_get_rate(clk_get_parent(phy->pllu_clk));
+ for (i = 0; i < ARRAY_SIZE(uhsic_freq_table); i++) {
+ if (uhsic_freq_table[i].freq == parent_rate) {
+ phy->freq = &uhsic_freq_table[i];
+ break;
+ }
+ }
+ if (!phy->freq) {
+ pr_err("invalid pll_u parent rate %ld\n", parent_rate);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static int uhsic_phy_irq(struct tegra_usb_phy *phy)
+{
+ usb_phy_fence_read(phy);
+ return IRQ_HANDLED;
+}
+
+static int uhsic_phy_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ struct tegra_hsic_config *config = &phy->pdata->u_cfg.hsic;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already On\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~(UHSIC_PD_BG | UHSIC_PD_TX | UHSIC_PD_TRK | UHSIC_PD_RX |
+ UHSIC_PD_ZI | UHSIC_RPD_DATA | UHSIC_RPD_STROBE);
+ val |= UHSIC_RX_SEL;
+ writel(val, base + UHSIC_PADS_CFG1);
+ udelay(2);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(30);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+ val |= UHSIC_IDLE_WAIT(config->idle_wait_delay);
+ val |= UHSIC_ELASTIC_UNDERRUN_LIMIT(config->elastic_underrun_limit);
+ val |= UHSIC_ELASTIC_OVERRUN_LIMIT(config->elastic_overrun_limit);
+ writel(val, base + UTMIP_XCVR_UHSIC_HSRX_CFG0);
+
+ val = readl(base + UHSIC_HSRX_CFG1);
+ val |= UHSIC_HS_SYNC_START_DLY(config->sync_start_delay);
+ writel(val, base + UHSIC_HSRX_CFG1);
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_SUSPEND_EXIT_ON_EDGE;
+ writel(val, base + UHSIC_MISC_CFG0);
+
+ val = readl(base + UHSIC_MISC_CFG1);
+ val |= UHSIC_PLLU_STABLE_COUNT(phy->freq->stable_count);
+ writel(val, base + UHSIC_MISC_CFG1);
+
+ val = readl(base + UHSIC_PLL_CFG1);
+ val |= UHSIC_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
+ val |= UHSIC_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count);
+ writel(val, base + UHSIC_PLL_CFG1);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~(UHSIC_RESET);
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(2);
+
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTS(~0));
+ writel(val, base + USB_PORTSC);
+
+ val = readl(base + USB_TXFILLTUNING);
+ if ((val & USB_FIFO_TXFILL_MASK) != USB_FIFO_TXFILL_THRES(0x10)) {
+ val = USB_FIFO_TXFILL_THRES(0x10);
+ writel(val, base + USB_TXFILLTUNING);
+ }
+
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_WKOC | USB_PORTSC_WKDS | USB_PORTSC_WKCN);
+ writel(val, base + USB_PORTSC);
+
+ val = readl(base + UHSIC_PADS_CFG0);
+ val &= ~(UHSIC_TX_RTUNEN);
+ /* set Rtune impedance to 40 ohm */
+ val |= UHSIC_TX_RTUNE(0);
+ writel(val, base + UHSIC_PADS_CFG0);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ USB_PHY_CLK_VALID, 2500)) {
+ pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+
+ return 0;
+}
+
+static int uhsic_phy_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ val |= UHSIC_RPD_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(30);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~UHSIC_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ return 0;
+}
+
+static int uhsic_phy_bus_port_power(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_DETECT_SHORT_CONNECT;
+ writel(val, base + UHSIC_MISC_CFG0);
+ udelay(1);
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_FORCE_XCVR_MODE;
+ writel(val, base + UHSIC_MISC_CFG0);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPD_STROBE;
+ val |= UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_USBCMD);
+ val &= ~USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + UHSIC_STAT_CFG0,
+ UHSIC_CONNECT_DETECT, UHSIC_CONNECT_DETECT, 2000)) {
+ pr_err("%s: timeout waiting for UHSIC_CONNECT_DETECT\n",
+ __func__);
+ return -ETIMEDOUT;
+ }
+
+/* FIXME : need to check whether this piece is required or not
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_LS(2),
+ USB_PORTSC_LS(2), 2000)) {
+ pr_err("%s: timeout waiting for dplus state\n", __func__);
+ return -ETIMEDOUT;
+ }
+*/
+ return 0;
+}
+
+
+static int uhsic_phy_bus_reset(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PTC(5);
+ writel(val, base + USB_PORTSC);
+ udelay(2);
+
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTC(~0));
+ writel(val, base + USB_PORTSC);
+ udelay(2);
+
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_LS(0),
+ 0, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_LS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ /* Poll until CCS is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_CCS,
+ USB_PORTSC_CCS, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_CCS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_PSPD(2),
+ USB_PORTSC_PSPD(2), 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_PSPD\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ val = readl(base + USB_USBCMD);
+ val &= ~USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_HCH,
+ USB_USBSTS_HCH, 2000)) {
+ pr_err("%s: timeout waiting for USB_USBSTS_HCH\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ val |= UHSIC_RPD_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ mdelay(50);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPD_STROBE;
+ val |= UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_USBCMD);
+ val |= USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD, USB_USBCMD_RS,
+ USB_USBCMD_RS, 2000)) {
+ pr_err("%s: timeout waiting for USB_USBCMD_RS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+
+static int uhsic_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ usb_phy_wait_for_sof(phy);
+
+ return 0;
+}
+
+static int uhsic_phy_resume(struct tegra_usb_phy *phy)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ uhsic_phy_bus_port_power(phy);
+
+ return 0;
+}
+
+
+static int uhsic_phy_post_resume(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + USB_TXFILLTUNING);
+ if ((val & USB_FIFO_TXFILL_MASK) != USB_FIFO_TXFILL_THRES(0x10)) {
+ val = USB_FIFO_TXFILL_THRES(0x10);
+ writel(val, base + USB_TXFILLTUNING);
+ }
+
+ return 0;
+}
+
+static void ulpi_set_trimmer(struct tegra_usb_phy *phy)
+{
+ struct tegra_ulpi_config *config = &phy->pdata->u_cfg.ulpi;
+ void __iomem *base = phy->regs;
+ unsigned long val;
+
+ val = ULPI_DATA_TRIMMER_SEL(config->data_trimmer);
+ val |= ULPI_STPDIRNXT_TRIMMER_SEL(config->stpdirnxt_trimmer);
+ val |= ULPI_DIR_TRIMMER_SEL(config->dir_trimmer);
+ writel(val, base + ULPI_TIMING_CTRL_1);
+ udelay(10);
+
+ val |= ULPI_DATA_TRIMMER_LOAD;
+ val |= ULPI_STPDIRNXT_TRIMMER_LOAD;
+ val |= ULPI_DIR_TRIMMER_LOAD;
+ writel(val, base + ULPI_TIMING_CTRL_1);
+}
+
+
+static int ulpi_link_phy_open(struct tegra_usb_phy *phy)
+{
+ struct tegra_ulpi_config *config = &phy->pdata->u_cfg.ulpi;
+ int err = 0;
+
+ phy->ulpi_clk = NULL;
+
+ if (config->clk) {
+ phy->ulpi_clk = clk_get_sys(NULL, config->clk);
+ if (IS_ERR(phy->ulpi_clk)) {
+ pr_err("%s: can't get ulpi clock\n", __func__);
+ err = -ENXIO;
+ }
+ }
+
+ phy->ulpi_vp = otg_ulpi_create(&ulpi_viewport_access_ops, 0);
+ phy->ulpi_vp->io_priv = phy->regs + ULPI_VIEWPORT;
+
+ return err;
+}
+
+static void ulpi_link_phy_close(struct tegra_usb_phy *phy)
+{
+ DBG("%s inst:[%d]\n", __func__, phy->inst);
+ if (phy->ulpi_clk)
+ clk_put(phy->ulpi_clk);
+}
+
+static int ulpi_link_phy_irq(struct tegra_usb_phy *phy)
+{
+ usb_phy_fence_read(phy);
+ return IRQ_HANDLED;
+}
+
+static int ulpi_link_phy_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ int ret;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+
+ /* Disable VbusValid, SessEnd comparators */
+ ret = otg_io_write(phy->ulpi_vp, 0x00, 0x0D);
+ if (ret)
+ pr_err("%s: ulpi write 0x0D failed\n", __func__);
+
+ ret = otg_io_write(phy->ulpi_vp, 0x00, 0x10);
+ if (ret)
+ pr_err("%s: ulpi write 0x10 failed\n", __func__);
+
+ /* Disable IdFloat comparator */
+ ret = otg_io_write(phy->ulpi_vp, 0x00, 0x19);
+ if (ret)
+ pr_err("%s: ulpi write 0x19 failed\n", __func__);
+
+ ret = otg_io_write(phy->ulpi_vp, 0x00, 0x1D);
+ if (ret)
+ pr_err("%s: ulpi write 0x1D failed\n", __func__);
+
+ phy->port_speed = (readl(base + USB_PORTSC) >> 26) &
+ USB_PORTSC_PSPD_MASK;
+
+ /* Clear WKCN/WKDS/WKOC wake-on events that can cause the USB
+ * Controller to immediately bring the ULPI PHY out of low power
+ */
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_WKOC | USB_PORTSC_WKDS | USB_PORTSC_WKCN);
+ writel(val, base + USB_PORTSC);
+
+ /* Put the PHY in the low power mode */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PHCD;
+ writel(val, base + USB_PORTSC);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ 0, 2500)) {
+ pr_err("%s: timeout waiting for phy to stop\n", __func__);
+ }
+
+ if (phy->ulpi_clk)
+ clk_disable(phy->ulpi_clk);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ return 0;
+}
+
+static int ulpi_link_phy_power_on(struct tegra_usb_phy *phy)
+{
+ int ret;
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already On\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+
+ if (phy->ulpi_clk) {
+ clk_enable(phy->ulpi_clk);
+ mdelay(1);
+ }
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= ULPI_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= USB_SUSP_CLR;
+ writel(val, base + USB_SUSP_CTRL);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ USB_PHY_CLK_VALID, 2500))
+ pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_CLKEN,
+ USB_CLKEN, 2500))
+ pr_err("%s: timeout waiting for AHB clock\n", __func__);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_SUSP_CLR;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = 0;
+ writel(val, base + ULPI_TIMING_CTRL_1);
+
+ ulpi_set_trimmer(phy);
+
+ /* Fix VbusInvalid due to floating VBUS */
+ ret = otg_io_write(phy->ulpi_vp, 0x40, 0x08);
+ if (ret) {
+ pr_err("%s: ulpi write failed\n", __func__);
+ return ret;
+ }
+
+ ret = otg_io_write(phy->ulpi_vp, 0x80, 0x0B);
+ if (ret) {
+ pr_err("%s: ulpi write failed\n", __func__);
+ return ret;
+ }
+
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_WKOC | USB_PORTSC_WKDS | USB_PORTSC_WKCN;
+ writel(val, base + USB_PORTSC);
+
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+
+ return 0;
+}
+
+static inline void ulpi_link_phy_set_tristate(bool enable)
+{
+#ifdef CONFIG_ARCH_TEGRA_2x_SOC
+ int tristate = (enable) ? TEGRA_TRI_TRISTATE : TEGRA_TRI_NORMAL;
+
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAA, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAB, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_UDA, tristate);
+#endif
+}
+
+static void ulpi_link_phy_restore_start(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ /*Tristate ulpi interface before USB controller resume*/
+ ulpi_link_phy_set_tristate(true);
+
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val &= ~ULPI_OUTPUT_PINMUX_BYP;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+}
+
+static void ulpi_link_phy_restore_end(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_OUTPUT_PINMUX_BYP;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+
+ ulpi_link_phy_set_tristate(false);
+}
+
+static int ulpi_link_phy_resume(struct tegra_usb_phy *phy)
+{
+ int status = 0;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->pdata->u_data.host.power_off_on_suspend) {
+ status = ulpi_link_phy_power_on(phy);
+ if (phy->port_speed < USB_PHY_PORT_SPEED_UNKNOWN) {
+ ulpi_link_phy_restore_start(phy);
+ usb_phy_bringup_host_controller(phy);
+ ulpi_link_phy_restore_end(phy);
+ }
+ }
+
+ return status;
+}
+
+static struct tegra_usb_phy_ops utmi_phy_ops = {
+ .open = utmi_phy_open,
+ .close = utmi_phy_close,
+ .irq = utmi_phy_irq,
+ .power_on = utmi_phy_power_on,
+ .power_off = utmi_phy_power_off,
+ .pre_resume = utmi_phy_pre_resume,
+ .resume = utmi_phy_resume,
+ .post_resume = utmi_phy_post_resume,
+ .charger_detect = utmi_phy_charger_detect,
+};
+
+static struct tegra_usb_phy_ops uhsic_phy_ops = {
+ .open = uhsic_phy_open,
+ .irq = uhsic_phy_irq,
+ .power_on = uhsic_phy_power_on,
+ .power_off = uhsic_phy_power_off,
+ .pre_resume = uhsic_phy_pre_resume,
+ .resume = uhsic_phy_resume,
+ .post_resume = uhsic_phy_post_resume,
+ .port_power = uhsic_phy_bus_port_power,
+ .bus_reset = uhsic_phy_bus_reset,
+};
+
+static struct tegra_usb_phy_ops ulpi_link_phy_ops = {
+ .open = ulpi_link_phy_open,
+ .close = ulpi_link_phy_close,
+ .irq = ulpi_link_phy_irq,
+ .power_on = ulpi_link_phy_power_on,
+ .power_off = ulpi_link_phy_power_off,
+ .resume = ulpi_link_phy_resume,
+};
+
+static struct tegra_usb_phy_ops ulpi_null_phy_ops;
+static struct tegra_usb_phy_ops icusb_phy_ops;
+
+
+static struct tegra_usb_phy_ops *phy_ops[] = {
+ [TEGRA_USB_PHY_INTF_UTMI] = &utmi_phy_ops,
+ [TEGRA_USB_PHY_INTF_ULPI_LINK] = &ulpi_link_phy_ops,
+ [TEGRA_USB_PHY_INTF_ULPI_NULL] = &ulpi_null_phy_ops,
+ [TEGRA_USB_PHY_INTF_HSIC] = &uhsic_phy_ops,
+ [TEGRA_USB_PHY_INTF_ICUSB] = &icusb_phy_ops,
+};
+
+int tegra2_usb_phy_init_ops(struct tegra_usb_phy *phy)
+{
+ phy->ops = phy_ops[phy->pdata->phy_intf];
+
+ return 0;
+}
diff --git a/arch/arm/mach-tegra/tegra3_usb_phy.c b/arch/arm/mach-tegra/tegra3_usb_phy.c
new file mode 100644
index 000000000000..94c3fb16cd20
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra3_usb_phy.c
@@ -0,0 +1,2346 @@
+/*
+ * arch/arm/mach-tegra/tegra3_usb_phy.c
+ *
+ * Copyright (C) 2011 NVIDIA Corporation
+ *
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#include <linux/resource.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/slab.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/io.h>
+#include <linux/gpio.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+#include <linux/platform_data/tegra_usb.h>
+#include <mach/iomap.h>
+#include <mach/pinmux.h>
+#include "tegra_usb_phy.h"
+#include "fuse.h"
+
+#define USB_USBCMD 0x130
+#define USB_USBCMD_RS (1 << 0)
+#define USB_CMD_RESET (1<<1)
+
+#define USB_USBSTS 0x134
+#define USB_USBSTS_PCI (1 << 2)
+#define USB_USBSTS_SRI (1 << 7)
+#define USB_USBSTS_HCH (1 << 12)
+
+#define USB_TXFILLTUNING 0x154
+#define USB_FIFO_TXFILL_THRES(x) (((x) & 0x1f) << 16)
+#define USB_FIFO_TXFILL_MASK 0x1f0000
+
+#define USB_ASYNCLISTADDR 0x148
+
+#define ICUSB_CTRL 0x15c
+
+#define USB_PORTSC 0x174
+#define USB_PORTSC_WKOC (1 << 22)
+#define USB_PORTSC_WKDS (1 << 21)
+#define USB_PORTSC_WKCN (1 << 20)
+#define USB_PORTSC_PTC(x) (((x) & 0xf) << 16)
+#define USB_PORTSC_PP (1 << 12)
+#define USB_PORTSC_LS(x) (((x) & 0x3) << 10)
+#define USB_PORTSC_SUSP (1 << 7)
+#define USB_PORTSC_RESUME (1 << 6)
+#define USB_PORTSC_OCC (1 << 5)
+#define USB_PORTSC_PEC (1 << 3)
+#define USB_PORTSC_PE (1 << 2)
+#define USB_PORTSC_CSC (1 << 1)
+#define USB_PORTSC_CCS (1 << 0)
+#define USB_PORTSC_RWC_BITS (USB_PORTSC_CSC | USB_PORTSC_PEC | USB_PORTSC_OCC)
+
+#define HOSTPC1_DEVLC 0x1b4
+#define HOSTPC1_DEVLC_PHCD (1 << 22)
+#define HOSTPC1_DEVLC_PTS(x) (((x) & 0x7) << 29)
+#define HOSTPC1_DEVLC_PTS_MASK 7
+#define HOSTPC1_DEVLC_PTS_HSIC 4
+#define HOSTPC1_DEVLC_STS (1 << 28)
+#define HOSTPC1_DEVLC_PSPD(x) (((x) & 0x3) << 25)
+#define HOSTPC1_DEVLC_PSPD_MASK 3
+#define HOSTPC1_DEVLC_PSPD_HIGH_SPEED 2
+
+#define USB_USBMODE 0x1f8
+#define USB_USBMODE_MASK (3 << 0)
+#define USB_USBMODE_HOST (3 << 0)
+#define USB_USBMODE_DEVICE (2 << 0)
+
+#define USB_SUSP_CTRL 0x400
+#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3)
+#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4)
+#define USB_SUSP_CLR (1 << 5)
+#define USB_PHY_CLK_VALID (1 << 7)
+#define USB_PHY_CLK_VALID_INT_ENB (1 << 9)
+#define USB_PHY_CLK_VALID_INT_STS (1 << 8)
+#define UTMIP_RESET (1 << 11)
+#define UTMIP_PHY_ENABLE (1 << 12)
+#define ULPI_PHY_ENABLE (1 << 13)
+#define UHSIC_RESET (1 << 14)
+#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16)
+#define UHSIC_PHY_ENABLE (1 << 19)
+#define ULPIS2S_SLV0_RESET (1 << 20)
+#define ULPIS2S_SLV1_RESET (1 << 21)
+#define ULPIS2S_LINE_RESET (1 << 22)
+#define ULPI_PADS_RESET (1 << 23)
+#define ULPI_PADS_CLKEN_RESET (1 << 24)
+
+#define USB_PHY_VBUS_WAKEUP_ID 0x408
+#define VDAT_DET_INT_EN (1 << 16)
+#define VDAT_DET_CHG_DET (1 << 17)
+#define VDAT_DET_STS (1 << 18)
+#define USB_ID_STATUS (1 << 2)
+
+#define ULPIS2S_CTRL 0x418
+#define ULPIS2S_ENA (1 << 0)
+#define ULPIS2S_SUPPORT_DISCONNECT (1 << 2)
+#define ULPIS2S_PLLU_MASTER_BLASTER60 (1 << 3)
+#define ULPIS2S_SPARE(x) (((x) & 0xF) << 8)
+#define ULPIS2S_FORCE_ULPI_CLK_OUT (1 << 12)
+#define ULPIS2S_DISCON_DONT_CHECK_SE0 (1 << 13)
+#define ULPIS2S_SUPPORT_HS_KEEP_ALIVE (1 << 14)
+#define ULPIS2S_DISABLE_STP_PU (1 << 15)
+#define ULPIS2S_SLV0_CLAMP_XMIT (1 << 16)
+
+#define ULPI_TIMING_CTRL_0 0x424
+#define ULPI_CLOCK_OUT_DELAY(x) ((x) & 0x1F)
+#define ULPI_OUTPUT_PINMUX_BYP (1 << 10)
+#define ULPI_CLKOUT_PINMUX_BYP (1 << 11)
+#define ULPI_SHADOW_CLK_LOOPBACK_EN (1 << 12)
+#define ULPI_SHADOW_CLK_SEL (1 << 13)
+#define ULPI_CORE_CLK_SEL (1 << 14)
+#define ULPI_SHADOW_CLK_DELAY(x) (((x) & 0x1F) << 16)
+#define ULPI_LBK_PAD_EN (1 << 26)
+#define ULPI_LBK_PAD_E_INPUT_OR (1 << 27)
+#define ULPI_CLK_OUT_ENA (1 << 28)
+#define ULPI_CLK_PADOUT_ENA (1 << 29)
+
+#define ULPI_TIMING_CTRL_1 0x428
+#define ULPI_DATA_TRIMMER_LOAD (1 << 0)
+#define ULPI_DATA_TRIMMER_SEL(x) (((x) & 0x7) << 1)
+#define ULPI_STPDIRNXT_TRIMMER_LOAD (1 << 16)
+#define ULPI_STPDIRNXT_TRIMMER_SEL(x) (((x) & 0x7) << 17)
+#define ULPI_DIR_TRIMMER_LOAD (1 << 24)
+#define ULPI_DIR_TRIMMER_SEL(x) (((x) & 0x7) << 25)
+
+#define UTMIP_XCVR_CFG0 0x808
+#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0)
+#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8)
+#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10)
+#define UTMIP_FORCE_PD_POWERDOWN (1 << 14)
+#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16)
+#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18)
+#define UTMIP_XCVR_LSBIAS_SEL (1 << 21)
+#define UTMIP_XCVR_SETUP_MSB(x) (((x) & 0x7) << 22)
+#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25)
+#define UTMIP_XCVR_MAX_OFFSET 2
+#define UTMIP_XCVR_SETUP_MAX_VALUE 0x7f
+#define UTMIP_XCVR_SETUP_MIN_VALUE 0
+#define XCVR_SETUP_MSB_CALIB(x) ((x) >> 4)
+
+#define UTMIP_BIAS_CFG0 0x80c
+#define UTMIP_OTGPD (1 << 11)
+#define UTMIP_BIASPD (1 << 10)
+#define UTMIP_HSSQUELCH_LEVEL(x) (((x) & 0x3) << 0)
+#define UTMIP_HSDISCON_LEVEL(x) (((x) & 0x3) << 2)
+#define UTMIP_HSDISCON_LEVEL_MSB (1 << 24)
+
+#define UTMIP_HSRX_CFG0 0x810
+#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10)
+#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15)
+
+#define UTMIP_HSRX_CFG1 0x814
+#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
+
+#define UTMIP_TX_CFG0 0x820
+#define UTMIP_FS_PREABMLE_J (1 << 19)
+#define UTMIP_HS_DISCON_DISABLE (1 << 8)
+
+#define UTMIP_DEBOUNCE_CFG0 0x82c
+#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0)
+
+#define UTMIP_BAT_CHRG_CFG0 0x830
+#define UTMIP_PD_CHRG (1 << 0)
+#define UTMIP_ON_SINK_EN (1 << 2)
+#define UTMIP_OP_SRC_EN (1 << 3)
+
+#define UTMIP_XCVR_CFG1 0x838
+#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0)
+#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2)
+#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4)
+#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18)
+
+#define UTMIP_BIAS_CFG1 0x83c
+#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3)
+#define UTMIP_BIAS_PDTRK_POWERDOWN (1 << 0)
+#define UTMIP_BIAS_PDTRK_POWERUP (1 << 1)
+
+#define UTMIP_MISC_CFG0 0x824
+#define UTMIP_DPDM_OBSERVE (1 << 26)
+#define UTMIP_DPDM_OBSERVE_SEL(x) (((x) & 0xf) << 27)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_J UTMIP_DPDM_OBSERVE_SEL(0xf)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_K UTMIP_DPDM_OBSERVE_SEL(0xe)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_SE1 UTMIP_DPDM_OBSERVE_SEL(0xd)
+#define UTMIP_DPDM_OBSERVE_SEL_FS_SE0 UTMIP_DPDM_OBSERVE_SEL(0xc)
+#define UTMIP_SUSPEND_EXIT_ON_EDGE (1 << 22)
+#define FORCE_PULLDN_DM (1 << 8)
+#define FORCE_PULLDN_DP (1 << 9)
+#define COMB_TERMS (1 << 0)
+#define ALWAYS_FREE_RUNNING_TERMS (1 << 1)
+
+#define UTMIP_SPARE_CFG0 0x834
+#define FUSE_SETUP_SEL (1 << 3)
+#define FUSE_ATERM_SEL (1 << 4)
+
+#define UTMIP_PMC_WAKEUP0 0x84c
+#define EVENT_INT_ENB (1 << 0)
+
+#define UTMIP_BIAS_STS0 0x840
+#define UTMIP_RCTRL_VAL(x) (((x) & 0xffff) << 0)
+#define UTMIP_TCTRL_VAL(x) (((x) & (0xffff << 16)) >> 16)
+
+#define UHSIC_PLL_CFG1 0xc04
+#define UHSIC_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
+#define UHSIC_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 14)
+
+#define UHSIC_HSRX_CFG0 0xc08
+#define UHSIC_ELASTIC_UNDERRUN_LIMIT(x) (((x) & 0x1f) << 2)
+#define UHSIC_ELASTIC_OVERRUN_LIMIT(x) (((x) & 0x1f) << 8)
+#define UHSIC_IDLE_WAIT(x) (((x) & 0x1f) << 13)
+
+#define UHSIC_HSRX_CFG1 0xc0c
+#define UHSIC_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
+
+#define UHSIC_TX_CFG0 0xc10
+#define UHSIC_HS_READY_WAIT_FOR_VALID (1 << 9)
+#define UHSIC_MISC_CFG0 0xc14
+#define UHSIC_SUSPEND_EXIT_ON_EDGE (1 << 7)
+#define UHSIC_DETECT_SHORT_CONNECT (1 << 8)
+#define UHSIC_FORCE_XCVR_MODE (1 << 15)
+#define UHSIC_DISABLE_BUSRESET (1 << 20)
+#define UHSIC_MISC_CFG1 0xc18
+#define UHSIC_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 2)
+
+#define UHSIC_PADS_CFG0 0xc1c
+#define UHSIC_TX_RTUNEN 0xf000
+#define UHSIC_TX_RTUNE(x) (((x) & 0xf) << 12)
+
+#define UHSIC_PADS_CFG1 0xc20
+#define UHSIC_PD_BG (1 << 2)
+#define UHSIC_PD_TX (1 << 3)
+#define UHSIC_PD_TRK (1 << 4)
+#define UHSIC_PD_RX (1 << 5)
+#define UHSIC_PD_ZI (1 << 6)
+#define UHSIC_RX_SEL (1 << 7)
+#define UHSIC_RPD_DATA (1 << 9)
+#define UHSIC_RPD_STROBE (1 << 10)
+#define UHSIC_RPU_DATA (1 << 11)
+#define UHSIC_RPU_STROBE (1 << 12)
+
+#define UHSIC_STAT_CFG0 0xc28
+#define UHSIC_CONNECT_DETECT (1 << 0)
+
+#define PMC_USB_DEBOUNCE 0xec
+#define UTMIP_LINE_DEB_CNT(x) (((x) & 0xf) << 16)
+
+#define PMC_USB_AO 0xf0
+#define PMC_POWER_DOWN_MASK 0xffff
+#define HSIC_RESERVED_P0 (3 << 14)
+#define HSIC_STOBE_VAL_PD_P0 (1 << 13)
+#define HSIC_DATA_VAL_PD_P0 (1 << 12)
+#define USB_ID_PD(inst) (1 << ((4*(inst))+3))
+#define VBUS_WAKEUP_PD(inst) (1 << ((4*(inst))+2))
+#define USBON_VAL_PD(inst) (1 << ((4*(inst))+1))
+#define USBON_VAL_PD_P2 (1 << 9)
+#define USBON_VAL_PD_P1 (1 << 5)
+#define USBON_VAL_PD_P0 (1 << 1)
+#define USBOP_VAL_PD(inst) (1 << (4*(inst)))
+#define USBOP_VAL_PD_P2 (1 << 8)
+#define USBOP_VAL_PD_P1 (1 << 4)
+#define USBOP_VAL_PD_P0 (1 << 0)
+#define PMC_USB_AO_PD_P2 (0xf << 8)
+#define PMC_USB_AO_ID_PD_P0 (1 << 3)
+#define PMC_USB_AO_VBUS_WAKEUP_PD_P0 (1 << 2)
+
+#define PMC_TRIGGERS 0x1ec
+#define UTMIP_CLR_WALK_PTR(inst) (1 << (inst))
+#define UTMIP_CLR_WALK_PTR_P2 (1 << 2)
+#define UTMIP_CLR_WALK_PTR_P1 (1 << 1)
+#define UTMIP_CLR_WALK_PTR_P0 (1 << 0)
+#define UTMIP_CAP_CFG(inst) (1 << ((inst)+4))
+#define UTMIP_CAP_CFG_P2 (1 << 6)
+#define UTMIP_CAP_CFG_P1 (1 << 5)
+#define UTMIP_CAP_CFG_P0 (1 << 4)
+#define UTMIP_CLR_WAKE_ALARM(inst) (1 << ((inst)+12))
+#define UTMIP_CLR_WAKE_ALARM_P2 (1 << 14)
+
+#define PMC_PAD_CFG (0x1f4)
+
+#define PMC_UTMIP_TERM_PAD_CFG 0x1f8
+#define PMC_TCTRL_VAL(x) (((x) & 0x1f) << 5)
+#define PMC_RCTRL_VAL(x) (((x) & 0x1f) << 0)
+
+#define UHSIC_SLEEPWALK_REG 0x210
+#define UHSIC_DATA_RPD_D (1 << 25)
+#define UHSIC_STRB_RPD_D (1 << 24)
+#define UHSIC_DATA_RPD_C (1 << 17)
+#define UHSIC_STRB_RPD_C (1 << 16)
+#define UHSIC_DATA_RPD_B (1 << 9)
+#define UHSIC_STRB_RPD_B (1 << 8)
+#define UHSIC_DATA_RPD_A (1 << 1)
+#define UHSIC_STRB_RPD_A (1 << 0)
+
+#define PMC_SLEEP_CFG 0x1fc
+#define UTMIP_TCTRL_USE_PMC(inst) (1 << ((8*(inst))+3))
+#define UTMIP_TCTRL_USE_PMC_P2 (1 << 19)
+#define UTMIP_TCTRL_USE_PMC_P1 (1 << 11)
+#define UTMIP_TCTRL_USE_PMC_P0 (1 << 3)
+#define UTMIP_RCTRL_USE_PMC(inst) (1 << ((8*(inst))+2))
+#define UTMIP_RCTRL_USE_PMC_P2 (1 << 18)
+#define UTMIP_RCTRL_USE_PMC_P1 (1 << 10)
+#define UTMIP_RCTRL_USE_PMC_P0 (1 << 2)
+#define UTMIP_FSLS_USE_PMC(inst) (1 << ((8*(inst))+1))
+#define UTMIP_FSLS_USE_PMC_P2 (1 << 17)
+#define UTMIP_FSLS_USE_PMC_P1 (1 << 9)
+#define UTMIP_FSLS_USE_PMC_P0 (1 << 1)
+#define UTMIP_MASTER_ENABLE(inst) (1 << (8*(inst)))
+#define UTMIP_MASTER_ENABLE_P2 (1 << 16)
+#define UTMIP_MASTER_ENABLE_P1 (1 << 8)
+#define UTMIP_MASTER_ENABLE_P0 (1 << 0)
+#define UHSIC_MASTER_ENABLE_P0 (1 << 24)
+#define UHSIC_WAKE_VAL_P0(x) (((x) & 0xf) << 28)
+
+#define PMC_SLEEPWALK_CFG 0x200
+#define UTMIP_LINEVAL_WALK_EN(inst) (1 << ((8*(inst))+7))
+#define UTMIP_LINEVAL_WALK_EN_P2 (1 << 23)
+#define UTMIP_LINEVAL_WALK_EN_P1 (1 << 15)
+#define UTMIP_LINEVAL_WALK_EN_P0 (1 << 7)
+#define UTMIP_WAKE_VAL(inst, x) (((x) & 0xf) << ((8*(inst))+4))
+#define UTMIP_WAKE_VAL_P2(x) (((x) & 0xf) << 20)
+#define UTMIP_WAKE_VAL_P1(x) (((x) & 0xf) << 12)
+#define UTMIP_WAKE_VAL_P0(x) (((x) & 0xf) << 4)
+#define WAKE_VAL_NONE 0xc
+#define WAKE_VAL_ANY 0xF
+#define WAKE_VAL_FSJ 0x2
+#define WAKE_VAL_FSK 0x1
+#define WAKE_VAL_SE0 0x0
+
+#define PMC_SLEEPWALK_REG(inst) (0x204 + (4*(inst)))
+#define UTMIP_USBOP_RPD_A (1 << 0)
+#define UTMIP_USBON_RPD_A (1 << 1)
+#define UTMIP_AP_A (1 << 4)
+#define UTMIP_AN_A (1 << 5)
+#define UTMIP_HIGHZ_A (1 << 6)
+#define UTMIP_USBOP_RPD_B (1 << 8)
+#define UTMIP_USBON_RPD_B (1 << 9)
+#define UTMIP_AP_B (1 << 12)
+#define UTMIP_AN_B (1 << 13)
+#define UTMIP_HIGHZ_B (1 << 14)
+#define UTMIP_USBOP_RPD_C (1 << 16)
+#define UTMIP_USBON_RPD_C (1 << 17)
+#define UTMIP_AP_C (1 << 20)
+#define UTMIP_AN_C (1 << 21)
+#define UTMIP_HIGHZ_C (1 << 22)
+#define UTMIP_USBOP_RPD_D (1 << 24)
+#define UTMIP_USBON_RPD_D (1 << 25)
+#define UTMIP_AP_D (1 << 28)
+#define UTMIP_AN_D (1 << 29)
+#define UTMIP_HIGHZ_D (1 << 30)
+
+#define UTMIP_UHSIC_STATUS 0x214
+#define UTMIP_WALK_PTR_VAL(inst) (0x3 << ((inst)*2))
+#define UTMIP_USBOP_VAL(inst) (1 << ((2*(inst)) + 8))
+#define UTMIP_USBOP_VAL_P2 (1 << 12)
+#define UTMIP_USBOP_VAL_P1 (1 << 10)
+#define UTMIP_USBOP_VAL_P0 (1 << 8)
+#define UTMIP_USBON_VAL(inst) (1 << ((2*(inst)) + 9))
+#define UTMIP_USBON_VAL_P2 (1 << 13)
+#define UTMIP_USBON_VAL_P1 (1 << 11)
+#define UTMIP_USBON_VAL_P0 (1 << 9)
+#define UTMIP_WAKE_ALARM(inst) (1 << ((inst) + 16))
+#define UTMIP_WAKE_ALARM_P2 (1 << 18)
+#define UTMIP_WAKE_ALARM_P1 (1 << 17)
+#define UTMIP_WAKE_ALARM_P0 (1 << 16)
+#define UTMIP_WALK_PTR(inst) (1 << ((inst)*2))
+#define UTMIP_WALK_PTR_P2 (1 << 4)
+#define UTMIP_WALK_PTR_P1 (1 << 2)
+#define UTMIP_WALK_PTR_P0 (1 << 0)
+
+#define USB1_PREFETCH_ID 6
+#define USB2_PREFETCH_ID 18
+#define USB3_PREFETCH_ID 17
+
+#define PMC_UTMIP_UHSIC_FAKE 0x218
+#define USBON_VAL(inst) (1 << ((4*(inst))+1))
+#define USBON_VAL_P2 (1 << 9)
+#define USBON_VAL_P1 (1 << 5)
+#define USBON_VAL_P0 (1 << 1)
+#define USBOP_VAL(inst) (1 << (4*(inst)))
+#define USBOP_VAL_P2 (1 << 8)
+#define USBOP_VAL_P1 (1 << 4)
+#define USBOP_VAL_P0 (1 << 0)
+
+#define PMC_UTMIP_BIAS_MASTER_CNTRL 0x30c
+#define BIAS_MASTER_PROG_VAL (1 << 1)
+
+#define PMC_UTMIP_MASTER_CONFIG 0x310
+#define UTMIP_PWR(inst) (1 << (inst))
+
+#define FUSE_USB_CALIB_0 0x1F0
+#define FUSE_USB_CALIB_XCVR_SETUP(x) (((x) & 0x7F) << 0)
+
+/* These values (in milli second) are taken from the battery charging spec */
+#define TDP_SRC_ON_MS 100
+#define TDPSRC_CON_MS 40
+
+#ifdef DEBUG
+#define DBG(stuff...) pr_info("tegra3_usb_phy: " stuff)
+#else
+#define DBG(stuff...) do {} while (0)
+#endif
+
+static u32 utmip_rctrl_val, utmip_tctrl_val;
+static DEFINE_SPINLOCK(utmip_pad_lock);
+static int utmip_pad_count;
+
+static struct tegra_xtal_freq utmip_freq_table[] = {
+ {
+ .freq = 12000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x2F,
+ .active_delay = 0x04,
+ .xtal_freq_count = 0x76,
+ .debounce = 0x7530,
+ .pdtrk_count = 5,
+ },
+ {
+ .freq = 13000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x33,
+ .active_delay = 0x05,
+ .xtal_freq_count = 0x7F,
+ .debounce = 0x7EF4,
+ .pdtrk_count = 5,
+ },
+ {
+ .freq = 19200000,
+ .enable_delay = 0x03,
+ .stable_count = 0x4B,
+ .active_delay = 0x06,
+ .xtal_freq_count = 0xBB,
+ .debounce = 0xBB80,
+ .pdtrk_count = 7,
+ },
+ {
+ .freq = 26000000,
+ .enable_delay = 0x04,
+ .stable_count = 0x66,
+ .active_delay = 0x09,
+ .xtal_freq_count = 0xFE,
+ .debounce = 0xFDE8,
+ .pdtrk_count = 9,
+ },
+};
+
+static struct tegra_xtal_freq uhsic_freq_table[] = {
+ {
+ .freq = 12000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x2F,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x1CA,
+ },
+ {
+ .freq = 13000000,
+ .enable_delay = 0x02,
+ .stable_count = 0x33,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x1F0,
+ },
+ {
+ .freq = 19200000,
+ .enable_delay = 0x03,
+ .stable_count = 0x4B,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x2DD,
+ },
+ {
+ .freq = 26000000,
+ .enable_delay = 0x04,
+ .stable_count = 0x66,
+ .active_delay = 0x0,
+ .xtal_freq_count = 0x3E0,
+ },
+};
+
+static void usb_phy_fence_read(struct tegra_usb_phy *phy)
+{
+ /* Fence read for coherency of AHB master intiated writes */
+ if (phy->inst == 0)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB1_PREFETCH_ID));
+ else if (phy->inst == 1)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB2_PREFETCH_ID));
+ else if (phy->inst == 2)
+ readb(IO_ADDRESS(IO_PPCS_PHYS + USB3_PREFETCH_ID));
+
+ return;
+}
+
+static void utmip_setup_pmc_wake_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val, pmc_pad_cfg_val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+ void __iomem *base = phy->regs;
+ bool port_connected;
+ enum usb_phy_port_speed port_speed;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ /* check for port connect status */
+ val = readl(base + USB_PORTSC);
+ port_connected = val & USB_PORTSC_CCS;
+
+ if (!port_connected)
+ return;
+
+ port_speed = (readl(base + HOSTPC1_DEVLC) >> 25) &
+ HOSTPC1_DEVLC_PSPD_MASK;
+ /*Set PMC MASTER bits to do the following
+ * a. Take over the UTMI drivers
+ * b. set up such that it will take over resume
+ * if remote wakeup is detected
+ * Prepare PMC to take over suspend-wake detect-drive resume until USB
+ * controller ready
+ */
+
+ /* disable master enable in PMC */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_MASTER_ENABLE(inst);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ /* UTMIP_PWR_PX=1 for power savings mode */
+ val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
+ val |= UTMIP_PWR(inst);
+ writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
+
+ /* config debouncer */
+ val = readl(pmc_base + PMC_USB_DEBOUNCE);
+ val &= ~UTMIP_LINE_DEB_CNT(~0);
+ val |= UTMIP_LINE_DEB_CNT(4);
+ writel(val, pmc_base + PMC_USB_DEBOUNCE);
+
+ /* Make sure nothing is happening on the line with respect to PMC */
+ val = readl(pmc_base + PMC_UTMIP_UHSIC_FAKE);
+ val &= ~USBOP_VAL(inst);
+ val &= ~USBON_VAL(inst);
+ writel(val, pmc_base + PMC_UTMIP_UHSIC_FAKE);
+
+ /* Make sure wake value for line is none */
+ val = readl(pmc_base + PMC_SLEEPWALK_CFG);
+ val &= ~UTMIP_LINEVAL_WALK_EN(inst);
+ writel(val, pmc_base + PMC_SLEEPWALK_CFG);
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(inst, ~0);
+ val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ /* turn off pad detectors */
+ val = readl(pmc_base + PMC_USB_AO);
+ val |= (USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
+ writel(val, pmc_base + PMC_USB_AO);
+
+ /* Remove fake values and make synchronizers work a bit */
+ val = readl(pmc_base + PMC_UTMIP_UHSIC_FAKE);
+ val &= ~USBOP_VAL(inst);
+ val &= ~USBON_VAL(inst);
+ writel(val, pmc_base + PMC_UTMIP_UHSIC_FAKE);
+
+ /* Enable which type of event can trigger a walk,
+ in this case usb_line_wake */
+ val = readl(pmc_base + PMC_SLEEPWALK_CFG);
+ val |= UTMIP_LINEVAL_WALK_EN(inst);
+ writel(val, pmc_base + PMC_SLEEPWALK_CFG);
+
+ /* Enable which type of event can trigger a walk,
+ * in this case usb_line_wake */
+ val = readl(pmc_base + PMC_SLEEPWALK_CFG);
+ val |= UTMIP_LINEVAL_WALK_EN(inst);
+ writel(val, pmc_base + PMC_SLEEPWALK_CFG);
+
+ /* Clear the walk pointers and wake alarm */
+ val = readl(pmc_base + PMC_TRIGGERS);
+ val |= UTMIP_CLR_WAKE_ALARM(inst) | UTMIP_CLR_WALK_PTR(inst);
+ writel(val, pmc_base + PMC_TRIGGERS);
+
+
+ /* Capture FS/LS pad configurations */
+ pmc_pad_cfg_val = readl(pmc_base + PMC_PAD_CFG);
+ val = readl(pmc_base + PMC_TRIGGERS);
+ val |= UTMIP_CAP_CFG(inst);
+ writel(val, pmc_base + PMC_TRIGGERS);
+ udelay(1);
+ pmc_pad_cfg_val = readl(pmc_base + PMC_PAD_CFG);
+
+ /* BIAS MASTER_ENABLE=0 */
+ val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+ val &= ~BIAS_MASTER_PROG_VAL;
+ writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+
+ /* program walk sequence, maintain a J, followed by a driven K
+ * to signal a resume once an wake event is detected */
+ val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
+ val &= ~UTMIP_AP_A;
+ val |= UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A | UTMIP_AN_A |UTMIP_HIGHZ_A |
+ UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_AP_B | UTMIP_AN_B |
+ UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_AP_C | UTMIP_AN_C |
+ UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_AP_D | UTMIP_AN_D;
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
+
+ if (port_speed == USB_PHY_PORT_SPEED_LOW) {
+ val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
+ val &= ~(UTMIP_AN_B | UTMIP_HIGHZ_B | UTMIP_AN_C |
+ UTMIP_HIGHZ_C | UTMIP_AN_D | UTMIP_HIGHZ_D);
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
+ } else {
+ val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
+ val &= ~(UTMIP_AP_B | UTMIP_HIGHZ_B | UTMIP_AP_C |
+ UTMIP_HIGHZ_C | UTMIP_AP_D | UTMIP_HIGHZ_D);
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
+ }
+
+ /* turn on pad detectors */
+ val = readl(pmc_base + PMC_USB_AO);
+ val &= ~(USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
+ writel(val, pmc_base + PMC_USB_AO);
+
+ /* Add small delay before usb detectors provide stable line values */
+ mdelay(1);
+
+ /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
+ val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+ val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
+ writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+
+ phy->remote_wakeup = false;
+
+ /* Turn over pad configuration to PMC for line wake events*/
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(inst, ~0);
+ val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_ANY);
+ val |= UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst);
+ val |= UTMIP_MASTER_ENABLE(inst) | UTMIP_FSLS_USE_PMC(inst);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ val = readl(base + UTMIP_PMC_WAKEUP0);
+ val |= EVENT_INT_ENB;
+ writel(val, base + UTMIP_PMC_WAKEUP0);
+}
+
+static void utmip_phy_disable_pmc_bus_ctrl(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(inst, 0xF);
+ val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ val = readl(pmc_base + PMC_TRIGGERS);
+ val |= UTMIP_CLR_WAKE_ALARM(inst) | UTMIP_CLR_WALK_PTR(inst);
+ writel(val, pmc_base + PMC_TRIGGERS);
+
+ val = readl(base + UTMIP_PMC_WAKEUP0);
+ val &= ~EVENT_INT_ENB;
+ writel(val, base + UTMIP_PMC_WAKEUP0);
+
+ /* Disable PMC master mode by clearing MASTER_EN */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~(UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
+ UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst));
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ val = readl(pmc_base + PMC_TRIGGERS);
+ val &= ~UTMIP_CAP_CFG(inst);
+ writel(val, pmc_base + PMC_TRIGGERS);
+
+ /* turn off pad detectors */
+ val = readl(pmc_base + PMC_USB_AO);
+ val |= (USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
+ writel(val, pmc_base + PMC_USB_AO);
+
+ phy->remote_wakeup = false;
+}
+
+bool utmi_phy_remotewake_detected(struct tegra_usb_phy *phy)
+{
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ void __iomem *base = phy->regs;
+ unsigned int inst = phy->inst;
+ u32 val;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + UTMIP_PMC_WAKEUP0);
+ if (val & EVENT_INT_ENB) {
+ val = readl(pmc_base + UTMIP_UHSIC_STATUS);
+ if (UTMIP_WAKE_ALARM(inst) & val) {
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(inst, 0xF);
+ val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+
+ val = readl(pmc_base + PMC_TRIGGERS);
+ val |= UTMIP_CLR_WAKE_ALARM(inst) |
+ UTMIP_CLR_WALK_PTR(inst);
+ writel(val, pmc_base + PMC_TRIGGERS);
+
+ val = readl(base + UTMIP_PMC_WAKEUP0);
+ val &= ~EVENT_INT_ENB;
+ writel(val, base + UTMIP_PMC_WAKEUP0);
+ phy->remote_wakeup = true;
+ return true;
+ }
+ }
+ return false;
+}
+
+static void utmi_phy_enable_trking_data(struct tegra_usb_phy *phy)
+{
+ void __iomem *base = IO_ADDRESS(TEGRA_USB_BASE);
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ static bool init_done = false;
+ u32 val;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ /* Should be done only once after system boot */
+ if (init_done)
+ return;
+
+ clk_enable(phy->utmi_pad_clk);
+ /* Bias pad MASTER_ENABLE=1 */
+ val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+ val |= BIAS_MASTER_PROG_VAL;
+ writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+
+ /* Setting the tracking length time */
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val &= ~UTMIP_BIAS_PDTRK_COUNT(~0);
+ val |= UTMIP_BIAS_PDTRK_COUNT(5);
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ /* Bias PDTRK is Shared and MUST be done from USB1 ONLY, PD_TRK=0 */
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val &= ~UTMIP_BIAS_PDTRK_POWERDOWN;
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val |= UTMIP_BIAS_PDTRK_POWERUP;
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ /* Wait for 25usec */
+ udelay(25);
+
+ /* Bias pad MASTER_ENABLE=0 */
+ val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+ val &= ~BIAS_MASTER_PROG_VAL;
+ writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+
+ /* Wait for 1usec */
+ udelay(1);
+
+ /* Bias pad MASTER_ENABLE=1 */
+ val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+ val |= BIAS_MASTER_PROG_VAL;
+ writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
+
+ /* Read RCTRL and TCTRL from UTMIP space */
+ val = readl(base + UTMIP_BIAS_STS0);
+ utmip_rctrl_val = ffz(UTMIP_RCTRL_VAL(val));
+ utmip_tctrl_val = ffz(UTMIP_TCTRL_VAL(val));
+
+ /* PD_TRK=1 */
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val |= UTMIP_BIAS_PDTRK_POWERDOWN;
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
+ val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+ val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
+ writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+ clk_disable(phy->utmi_pad_clk);
+ init_done = true;
+}
+
+static void utmip_powerdown_pmc_wake_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+
+ /* power down UTMIP interfaces */
+ val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
+ val |= UTMIP_PWR(inst);
+ writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
+
+ /* setup sleep walk usb controller */
+ val = UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A | UTMIP_HIGHZ_A |
+ UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_HIGHZ_B |
+ UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_HIGHZ_C |
+ UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_HIGHZ_D;
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
+
+ /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
+ val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+ val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
+ writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+
+ /* Turn over pad configuration to PMC */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(inst, ~0);
+ val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE) |
+ UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
+ UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+}
+
+static void utmip_powerup_pmc_wake_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+
+ /* Disable PMC master mode by clearing MASTER_EN */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~(UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
+ UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst));
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+ mdelay(1);
+}
+
+static void uhsic_powerdown_pmc_wake_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+
+ /* turn on pad detectors for HSIC*/
+ val = readl(pmc_base + PMC_USB_AO);
+ val |= (HSIC_RESERVED_P0 | HSIC_STOBE_VAL_PD_P0 | HSIC_DATA_VAL_PD_P0);
+ writel(val, pmc_base + PMC_USB_AO);
+
+ /* enable pull downs on HSIC PMC */
+ val = UHSIC_STRB_RPD_A | UHSIC_DATA_RPD_A | UHSIC_STRB_RPD_B |
+ UHSIC_DATA_RPD_B | UHSIC_STRB_RPD_C | UHSIC_DATA_RPD_C |
+ UHSIC_STRB_RPD_D | UHSIC_DATA_RPD_D;
+ writel(val, pmc_base + UHSIC_SLEEPWALK_REG);
+
+ /* Turn over pad configuration to PMC */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UHSIC_WAKE_VAL_P0(~0);
+ val |= UHSIC_WAKE_VAL_P0(WAKE_VAL_NONE) | UHSIC_MASTER_ENABLE_P0;
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+}
+
+static void uhsic_powerup_pmc_wake_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+
+ /* turn on pad detectors for HSIC*/
+ val = readl(pmc_base + PMC_USB_AO);
+ val &= ~(HSIC_RESERVED_P0 | HSIC_STOBE_VAL_PD_P0 | HSIC_DATA_VAL_PD_P0);
+ writel(val, pmc_base + PMC_USB_AO);
+
+ /* Disable PMC master mode by clearing MASTER_EN */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~(UHSIC_MASTER_ENABLE_P0);
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+ mdelay(1);
+}
+
+static void usb_phy_power_down_pmc(void)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+
+ /* power down all 3 UTMIP interfaces */
+ val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
+ val |= UTMIP_PWR(0) | UTMIP_PWR(1) | UTMIP_PWR(2);
+ writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
+
+ /* turn on pad detectors */
+ writel(PMC_POWER_DOWN_MASK, pmc_base + PMC_USB_AO);
+
+ /* setup sleep walk fl all 3 usb controllers */
+ val = UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A | UTMIP_HIGHZ_A |
+ UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_HIGHZ_B |
+ UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_HIGHZ_C |
+ UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_HIGHZ_D;
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(0));
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(1));
+ writel(val, pmc_base + PMC_SLEEPWALK_REG(2));
+
+ /* enable pull downs on HSIC PMC */
+ val = UHSIC_STRB_RPD_A | UHSIC_DATA_RPD_A | UHSIC_STRB_RPD_B |
+ UHSIC_DATA_RPD_B | UHSIC_STRB_RPD_C | UHSIC_DATA_RPD_C |
+ UHSIC_STRB_RPD_D | UHSIC_DATA_RPD_D;
+ writel(val, pmc_base + UHSIC_SLEEPWALK_REG);
+
+ /* Turn over pad configuration to PMC */
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ val &= ~UTMIP_WAKE_VAL(0, ~0);
+ val &= ~UTMIP_WAKE_VAL(1, ~0);
+ val &= ~UTMIP_WAKE_VAL(2, ~0);
+ val &= ~UHSIC_WAKE_VAL_P0(~0);
+ val |= UTMIP_WAKE_VAL(0, WAKE_VAL_NONE) | UHSIC_WAKE_VAL_P0(WAKE_VAL_NONE) |
+ UTMIP_WAKE_VAL(1, WAKE_VAL_NONE) | UTMIP_WAKE_VAL(2, WAKE_VAL_NONE) |
+ UTMIP_RCTRL_USE_PMC(0) | UTMIP_RCTRL_USE_PMC(1) | UTMIP_RCTRL_USE_PMC(2) |
+ UTMIP_TCTRL_USE_PMC(0) | UTMIP_TCTRL_USE_PMC(1) | UTMIP_TCTRL_USE_PMC(2) |
+ UTMIP_FSLS_USE_PMC(0) | UTMIP_FSLS_USE_PMC(1) | UTMIP_FSLS_USE_PMC(2) |
+ UTMIP_MASTER_ENABLE(0) | UTMIP_MASTER_ENABLE(1) | UTMIP_MASTER_ENABLE(2) |
+ UHSIC_MASTER_ENABLE_P0;
+ writel(val, pmc_base + PMC_SLEEP_CFG);
+}
+
+static int usb_phy_bringup_host_controller(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x] port_speed[%d]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC),
+ phy->port_speed);
+
+ /* Enable Port Power */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PP;
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ /* Check if the phy resume from LP0. When the phy resume from LP0
+ * USB register will be reset.to zero */
+ if (!readl(base + USB_ASYNCLISTADDR)) {
+ /* Program the field PTC based on the saved speed mode */
+ val = readl(base + USB_PORTSC);
+ val &= ~USB_PORTSC_PTC(~0);
+ if (phy->port_speed == USB_PHY_PORT_SPEED_HIGH)
+ val |= USB_PORTSC_PTC(5);
+ else if (phy->port_speed == USB_PHY_PORT_SPEED_FULL)
+ val |= USB_PORTSC_PTC(6);
+ else if (phy->port_speed == USB_PHY_PORT_SPEED_LOW)
+ val |= USB_PORTSC_PTC(7);
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ /* Disable test mode by setting PTC field to NORMAL_OP */
+ val = readl(base + USB_PORTSC);
+ val &= ~USB_PORTSC_PTC(~0);
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+ }
+
+ /* Poll until CCS is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_CCS,
+ USB_PORTSC_CCS, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_CCS\n", __func__);
+ }
+
+ /* Poll until PE is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_PE,
+ USB_PORTSC_PE, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_PE\n", __func__);
+ }
+
+ /* Clear the PCI status, to avoid an interrupt taken upon resume */
+ val = readl(base + USB_USBSTS);
+ val |= USB_USBSTS_PCI;
+ writel(val, base + USB_USBSTS);
+
+ /* Put controller in suspend mode by writing 1 to SUSP bit of PORTSC */
+ val = readl(base + USB_PORTSC);
+ if ((val & USB_PORTSC_PP) && (val & USB_PORTSC_PE)) {
+ val |= USB_PORTSC_SUSP;
+ writel(val, base + USB_PORTSC);
+ /* Need a 4ms delay before the controller goes to suspend */
+ mdelay(4);
+
+ /* Wait until port suspend completes */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_SUSP,
+ USB_PORTSC_SUSP, 1000)) {
+ pr_err("%s: timeout waiting for PORT_SUSPEND\n",
+ __func__);
+ }
+ }
+
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+ return 0;
+}
+
+static void usb_phy_wait_for_sof(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ val = readl(base + USB_USBSTS);
+ writel(val, base + USB_USBSTS);
+ udelay(20);
+ /* wait for two SOFs */
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI,
+ USB_USBSTS_SRI, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ val = readl(base + USB_USBSTS);
+ writel(val, base + USB_USBSTS);
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI, 0, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_SRI,
+ USB_USBSTS_SRI, 2500))
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+
+ udelay(20);
+}
+
+static unsigned int utmi_phy_xcvr_setup_value(struct tegra_usb_phy *phy)
+{
+ struct tegra_utmi_config *cfg = &phy->pdata->u_cfg.utmi;
+ signed long val;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ if (cfg->xcvr_use_fuses) {
+ val = FUSE_USB_CALIB_XCVR_SETUP(
+ tegra_fuse_readl(FUSE_USB_CALIB_0));
+ if (cfg->xcvr_setup_offset <= UTMIP_XCVR_MAX_OFFSET)
+ val = val + cfg->xcvr_setup_offset;
+
+ if (val > UTMIP_XCVR_SETUP_MAX_VALUE) {
+ val = UTMIP_XCVR_SETUP_MAX_VALUE;
+ pr_info("%s: reset XCVR_SETUP to max value\n",
+ __func__);
+ } else if (val < UTMIP_XCVR_SETUP_MIN_VALUE) {
+ val = UTMIP_XCVR_SETUP_MIN_VALUE;
+ pr_info("%s: reset XCVR_SETUP to min value\n",
+ __func__);
+ }
+ } else {
+ val = cfg->xcvr_setup;
+ }
+
+ return (unsigned int) val;
+}
+
+static int utmi_phy_open(struct tegra_usb_phy *phy)
+{
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned long parent_rate, val;
+ int i;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ phy->utmi_pad_clk = clk_get_sys("utmip-pad", NULL);
+ if (IS_ERR(phy->utmi_pad_clk)) {
+ pr_err("%s: can't get utmip pad clock\n", __func__);
+ return PTR_ERR(phy->utmi_pad_clk);
+ }
+
+ phy->utmi_xcvr_setup = utmi_phy_xcvr_setup_value(phy);
+
+ parent_rate = clk_get_rate(clk_get_parent(phy->pllu_clk));
+ for (i = 0; i < ARRAY_SIZE(utmip_freq_table); i++) {
+ if (utmip_freq_table[i].freq == parent_rate) {
+ phy->freq = &utmip_freq_table[i];
+ break;
+ }
+ }
+ if (!phy->freq) {
+ pr_err("invalid pll_u parent rate %ld\n", parent_rate);
+ return -EINVAL;
+ }
+
+ /* Power-up the VBUS detector for UTMIP PHY */
+ val = readl(pmc_base + PMC_USB_AO);
+ val &= ~(PMC_USB_AO_VBUS_WAKEUP_PD_P0 | PMC_USB_AO_ID_PD_P0);
+ writel((val | PMC_USB_AO_PD_P2), (pmc_base + PMC_USB_AO));
+
+ utmip_powerup_pmc_wake_detect(phy);
+
+ return 0;
+}
+
+static void utmi_phy_close(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s inst:[%d]\n", __func__, phy->inst);
+
+ /* Disable PHY clock valid interrupts while going into suspend*/
+ if (phy->pdata->u_data.host.hot_plug) {
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_PHY_CLK_VALID_INT_ENB;
+ writel(val, base + USB_SUSP_CTRL);
+ }
+
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_WKCN;
+ writel(val, base + USB_PORTSC);
+
+ clk_put(phy->utmi_pad_clk);
+}
+
+static int utmi_phy_pad_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val, flags;
+ void __iomem *pad_base = IO_ADDRESS(TEGRA_USB_BASE);
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ clk_enable(phy->utmi_pad_clk);
+
+ spin_lock_irqsave(&utmip_pad_lock, flags);
+ utmip_pad_count++;
+
+ val = readl(pad_base + UTMIP_BIAS_CFG0);
+ val &= ~(UTMIP_OTGPD | UTMIP_BIASPD);
+ val |= UTMIP_HSSQUELCH_LEVEL(0x2) | UTMIP_HSDISCON_LEVEL(0x1) |
+ UTMIP_HSDISCON_LEVEL_MSB;
+ writel(val, pad_base + UTMIP_BIAS_CFG0);
+
+ spin_unlock_irqrestore(&utmip_pad_lock, flags);
+
+ clk_disable(phy->utmi_pad_clk);
+
+ return 0;
+}
+
+static int utmi_phy_pad_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val, flags;
+ void __iomem *pad_base = IO_ADDRESS(TEGRA_USB_BASE);
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ clk_enable(phy->utmi_pad_clk);
+ spin_lock_irqsave(&utmip_pad_lock, flags);
+
+ if (!utmip_pad_count) {
+ pr_err("%s: utmip pad already powered off\n", __func__);
+ goto out;
+ }
+ if (--utmip_pad_count == 0) {
+ val = readl(pad_base + UTMIP_BIAS_CFG0);
+ val |= UTMIP_OTGPD | UTMIP_BIASPD;
+ val &= ~(UTMIP_HSSQUELCH_LEVEL(~0) | UTMIP_HSDISCON_LEVEL(~0) |
+ UTMIP_HSDISCON_LEVEL_MSB);
+ writel(val, pad_base + UTMIP_BIAS_CFG0);
+ }
+out:
+ spin_unlock_irqrestore(&utmip_pad_lock, flags);
+ clk_disable(phy->utmi_pad_clk);
+
+ return 0;
+}
+
+static int utmi_phy_irq(struct tegra_usb_phy *phy)
+{
+ void __iomem *base = phy->regs;
+ unsigned long val = 0;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+ DBG("USB_USBMODE[0x%x] USB_USBCMD[0x%x]\n",
+ readl(base + USB_USBMODE), readl(base + USB_USBCMD));
+
+ usb_phy_fence_read(phy);
+ /* check if there is any remote wake event */
+ if (utmi_phy_remotewake_detected(phy))
+ pr_info("%s: utmip remote wake detected\n", __func__);
+
+ if (phy->pdata->u_data.host.hot_plug) {
+ val = readl(base + USB_SUSP_CTRL);
+ if ((val & USB_PHY_CLK_VALID_INT_STS)) {
+ val &= ~USB_PHY_CLK_VALID_INT_ENB |
+ USB_PHY_CLK_VALID_INT_STS;
+ writel(val , (base + USB_SUSP_CTRL));
+ pr_info("%s: usb device plugged-in\n", __func__);
+ val = readl(base + USB_USBSTS);
+ if (!(val & USB_USBSTS_PCI))
+ return IRQ_NONE;
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_WKCN | USB_PORTSC_RWC_BITS);
+ writel(val , (base + USB_PORTSC));
+ }
+ }
+
+ return IRQ_HANDLED;
+}
+
+static void utmi_phy_enable_obs_bus(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ /* (2LS WAR)is not required for LS and FS devices and is only for HS */
+ if ((phy->port_speed == USB_PHY_PORT_SPEED_LOW) ||
+ (phy->port_speed == USB_PHY_PORT_SPEED_FULL)) {
+ /* do not enable the OBS bus */
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~(UTMIP_DPDM_OBSERVE_SEL(~0));
+ writel(val, base + UTMIP_MISC_CFG0);
+ DBG("%s(%d) Disable OBS bus\n", __func__, __LINE__);
+ return;
+ }
+ /* Force DP/DM pulldown active for Host mode */
+ val = readl(base + UTMIP_MISC_CFG0);
+ val |= FORCE_PULLDN_DM | FORCE_PULLDN_DP |
+ COMB_TERMS | ALWAYS_FREE_RUNNING_TERMS;
+ writel(val, base + UTMIP_MISC_CFG0);
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
+ if (phy->port_speed == USB_PHY_PORT_SPEED_LOW)
+ val |= UTMIP_DPDM_OBSERVE_SEL_FS_J;
+ else
+ val |= UTMIP_DPDM_OBSERVE_SEL_FS_K;
+ writel(val, base + UTMIP_MISC_CFG0);
+ udelay(1);
+
+ val = readl(base + UTMIP_MISC_CFG0);
+ val |= UTMIP_DPDM_OBSERVE;
+ writel(val, base + UTMIP_MISC_CFG0);
+ udelay(10);
+ DBG("%s(%d) Enable OBS bus\n", __func__, __LINE__);
+}
+
+static void utmi_phy_disable_obs_bus(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ /* check if OBS bus is already enabled */
+ val = readl(base + UTMIP_MISC_CFG0);
+ if (val & UTMIP_DPDM_OBSERVE) {
+ /* Change the UTMIP OBS bus to drive SE0 */
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
+ val |= UTMIP_DPDM_OBSERVE_SEL_FS_SE0;
+ writel(val, base + UTMIP_MISC_CFG0);
+
+ /* Wait for 3us(2 LS bit times) */
+ udelay(3);
+
+ /* Release UTMIP OBS bus */
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_DPDM_OBSERVE;
+ writel(val, base + UTMIP_MISC_CFG0);
+
+ /* Release DP/DM pulldown for Host mode */
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~(FORCE_PULLDN_DM | FORCE_PULLDN_DP |
+ COMB_TERMS | ALWAYS_FREE_RUNNING_TERMS);
+ writel(val, base + UTMIP_MISC_CFG0);
+ }
+}
+
+static int utmi_phy_post_resume(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ /* if PMC is not disabled by now then disable it */
+ if (val & UTMIP_MASTER_ENABLE(inst)) {
+ utmip_phy_disable_pmc_bus_ctrl(phy);
+ }
+
+ utmi_phy_disable_obs_bus(phy);
+
+ return 0;
+}
+
+static int utmi_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ unsigned int inst = phy->inst;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(pmc_base + PMC_SLEEP_CFG);
+ if (val & UTMIP_MASTER_ENABLE(inst)) {
+ if (!remote_wakeup)
+ utmip_phy_disable_pmc_bus_ctrl(phy);
+ } else {
+ utmi_phy_enable_obs_bus(phy);
+ }
+
+ return 0;
+}
+
+static int utmi_phy_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d] BEGIN\n", __func__, __LINE__, phy->inst);
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ utmip_powerdown_pmc_wake_detect(phy);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_WAKEUP_DEBOUNCE_COUNT(~0);
+ val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5);
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ } else {
+ utmip_setup_pmc_wake_detect(phy);
+ }
+
+ if (!phy->pdata->u_data.host.hot_plug) {
+ val = readl(base + UTMIP_XCVR_CFG0);
+ val |= (UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN |
+ UTMIP_FORCE_PDZI_POWERDOWN);
+ writel(val, base + UTMIP_XCVR_CFG0);
+ }
+
+ val = readl(base + UTMIP_XCVR_CFG1);
+ val |= UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
+ UTMIP_FORCE_PDDR_POWERDOWN;
+ writel(val, base + UTMIP_XCVR_CFG1);
+
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val |= UTMIP_BIAS_PDTRK_COUNT(0x5);
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ utmi_phy_pad_power_off(phy);
+
+ phy->port_speed = (readl(base + HOSTPC1_DEVLC) >> 25) &
+ HOSTPC1_DEVLC_PSPD_MASK;
+
+ if (phy->pdata->u_data.host.hot_plug) {
+ bool enable_hotplug = true;
+ /* if it is OTG port then make sure to enable hot-plug feature
+ only if host adaptor is connected, i.e id is low */
+ if (phy->pdata->port_otg) {
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ enable_hotplug = (val & USB_ID_STATUS) ? false : true;
+ }
+ if (enable_hotplug) {
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_WKCN;
+ writel(val, base + USB_PORTSC);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= USB_PHY_CLK_VALID_INT_ENB;
+ writel(val, base + USB_SUSP_CTRL);
+ } else {
+ /* Disable PHY clock valid interrupts while going into suspend*/
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~USB_PHY_CLK_VALID_INT_ENB;
+ writel(val, base + USB_SUSP_CTRL);
+ }
+ }
+
+ if (phy->inst == 0) {
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ }
+
+ val = readl(base + HOSTPC1_DEVLC);
+ val |= HOSTPC1_DEVLC_PHCD;
+ writel(val, base + HOSTPC1_DEVLC);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ 0, 2500))
+ pr_warn("%s: timeout waiting for phy to stabilize\n", __func__);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ DBG("%s(%d) inst:[%d] END\n", __func__, __LINE__, phy->inst);
+
+ return 0;
+}
+
+
+static int utmi_phy_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ struct tegra_utmi_config *config = &phy->pdata->u_cfg.utmi;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already On\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_TX_CFG0);
+ val |= UTMIP_FS_PREABMLE_J;
+ writel(val, base + UTMIP_TX_CFG0);
+
+ val = readl(base + UTMIP_HSRX_CFG0);
+ val &= ~(UTMIP_IDLE_WAIT(~0) | UTMIP_ELASTIC_LIMIT(~0));
+ val |= UTMIP_IDLE_WAIT(config->idle_wait_delay);
+ val |= UTMIP_ELASTIC_LIMIT(config->elastic_limit);
+ writel(val, base + UTMIP_HSRX_CFG0);
+
+ val = readl(base + UTMIP_HSRX_CFG1);
+ val &= ~UTMIP_HS_SYNC_START_DLY(~0);
+ val |= UTMIP_HS_SYNC_START_DLY(config->hssync_start_delay);
+ writel(val, base + UTMIP_HSRX_CFG1);
+
+ val = readl(base + UTMIP_DEBOUNCE_CFG0);
+ val &= ~UTMIP_BIAS_DEBOUNCE_A(~0);
+ val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce);
+ writel(val, base + UTMIP_DEBOUNCE_CFG0);
+
+ val = readl(base + UTMIP_MISC_CFG0);
+ val &= ~UTMIP_SUSPEND_EXIT_ON_EDGE;
+ writel(val, base + UTMIP_MISC_CFG0);
+
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV);
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val &= ~UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ } else {
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_PD_CHRG;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ }
+
+ utmi_phy_pad_power_on(phy);
+
+ val = readl(base + UTMIP_XCVR_CFG0);
+ val &= ~(UTMIP_XCVR_LSBIAS_SEL | UTMIP_FORCE_PD_POWERDOWN |
+ UTMIP_FORCE_PD2_POWERDOWN | UTMIP_FORCE_PDZI_POWERDOWN |
+ UTMIP_XCVR_SETUP(~0) | UTMIP_XCVR_LSFSLEW(~0) |
+ UTMIP_XCVR_LSRSLEW(~0) | UTMIP_XCVR_HSSLEW_MSB(~0));
+ val |= UTMIP_XCVR_SETUP(phy->utmi_xcvr_setup);
+ val |= UTMIP_XCVR_SETUP_MSB(XCVR_SETUP_MSB_CALIB(phy->utmi_xcvr_setup));
+ val |= UTMIP_XCVR_LSFSLEW(config->xcvr_lsfslew);
+ val |= UTMIP_XCVR_LSRSLEW(config->xcvr_lsrslew);
+ val |= UTMIP_XCVR_HSSLEW_MSB(0x8);
+ writel(val, base + UTMIP_XCVR_CFG0);
+
+ val = readl(base + UTMIP_XCVR_CFG1);
+ val &= ~(UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
+ UTMIP_FORCE_PDDR_POWERDOWN | UTMIP_XCVR_TERM_RANGE_ADJ(~0));
+ val |= UTMIP_XCVR_TERM_RANGE_ADJ(config->term_range_adj);
+ writel(val, base + UTMIP_XCVR_CFG1);
+
+ val = readl(base + UTMIP_BIAS_CFG1);
+ val &= ~UTMIP_BIAS_PDTRK_COUNT(~0);
+ val |= UTMIP_BIAS_PDTRK_COUNT(phy->freq->pdtrk_count);
+ writel(val, base + UTMIP_BIAS_CFG1);
+
+ val = readl(base + UTMIP_SPARE_CFG0);
+ val &= ~FUSE_SETUP_SEL;
+ val |= FUSE_ATERM_SEL;
+ writel(val, base + UTMIP_SPARE_CFG0);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~HOSTPC1_DEVLC_PHCD;
+ writel(val, base + HOSTPC1_DEVLC);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL,
+ USB_PHY_CLK_VALID, USB_PHY_CLK_VALID, 2500))
+ pr_warn("%s: timeout waiting for phy to stabilize\n", __func__);
+
+ utmi_phy_enable_trking_data(phy);
+
+ if (phy->inst == 2)
+ writel(0, base + ICUSB_CTRL);
+
+ val = readl(base + USB_USBMODE);
+ val &= ~USB_USBMODE_MASK;
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_HOST)
+ val |= USB_USBMODE_HOST;
+ else
+ val |= USB_USBMODE_DEVICE;
+ writel(val, base + USB_USBMODE);
+
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~HOSTPC1_DEVLC_PTS(~0);
+ val |= HOSTPC1_DEVLC_STS;
+ writel(val, base + HOSTPC1_DEVLC);
+
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE)
+ utmip_powerup_pmc_wake_detect(phy);
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+ DBG("%s(%d) End\n", __func__, __LINE__);
+
+ return 0;
+}
+
+static void utmi_phy_restore_start(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
+ int inst = phy->inst;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(pmc_base + UTMIP_UHSIC_STATUS);
+ /* check whether we wake up from the remote resume */
+ if (UTMIP_WALK_PTR_VAL(inst) & val) {
+ phy->remote_wakeup = true;
+ } else {
+ if (!((UTMIP_USBON_VAL(phy->inst) |
+ UTMIP_USBOP_VAL(phy->inst)) & val)) {
+ utmip_phy_disable_pmc_bus_ctrl(phy);
+ }
+ }
+ utmi_phy_enable_obs_bus(phy);
+}
+
+static void utmi_phy_restore_end(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ int wait_time_us = 3000; /* FPR should be set by this time */
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ /* check whether we wake up from the remote resume */
+ if (phy->remote_wakeup) {
+ /* wait until FPR bit is set automatically on remote resume */
+ do {
+ val = readl(base + USB_PORTSC);
+ udelay(1);
+ if (wait_time_us == 0)
+ return;
+ wait_time_us--;
+ } while (!(val & USB_PORTSC_RESUME));
+ /* wait for 25 ms to port resume complete */
+ msleep(25);
+ /* disable PMC master control */
+ utmip_phy_disable_pmc_bus_ctrl(phy);
+
+ /* Clear PCI and SRI bits to avoid an interrupt upon resume */
+ val = readl(base + USB_USBSTS);
+ writel(val, base + USB_USBSTS);
+ /* wait to avoid SOF if there is any */
+ if (usb_phy_reg_status_wait(base + USB_USBSTS,
+ USB_USBSTS_SRI, USB_USBSTS_SRI, 2500) < 0) {
+ pr_err("%s: timeout waiting for SOF\n", __func__);
+ }
+ utmi_phy_post_resume(phy);
+ }
+}
+
+static int utmi_phy_resume(struct tegra_usb_phy *phy)
+{
+ int status = 0;
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_HOST) {
+ if (phy->port_speed < USB_PHY_PORT_SPEED_UNKNOWN) {
+ utmi_phy_restore_start(phy);
+ usb_phy_bringup_host_controller(phy);
+ utmi_phy_restore_end(phy);
+ } else {
+ /* device is plugged in when system is in LP0 */
+ /* bring up the controller from LP0*/
+ val = readl(base + USB_USBCMD);
+ val |= USB_CMD_RESET;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD,
+ USB_CMD_RESET, 0, 2500) < 0) {
+ pr_err("%s: timeout waiting for reset\n", __func__);
+ }
+
+ val = readl(base + USB_USBMODE);
+ val &= ~USB_USBMODE_MASK;
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE);
+
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~HOSTPC1_DEVLC_PTS(~0);
+ val |= HOSTPC1_DEVLC_STS;
+ writel(val, base + HOSTPC1_DEVLC);
+
+ writel(USB_USBCMD_RS, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD,
+ USB_USBCMD_RS, USB_USBCMD_RS, 2500) < 0) {
+ pr_err("%s: timeout waiting for run bit\n", __func__);
+ }
+
+ /* Enable Port Power */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PP;
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+ }
+ }
+
+ return status;
+}
+
+bool utmi_phy_charger_detect(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ bool status;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->pdata->op_mode != TEGRA_USB_OPMODE_DEVICE) {
+ /* Charger detection is not there for ULPI
+ * return Charger not available */
+ return false;
+ }
+
+ /* Enable charger detection logic */
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val |= UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN;
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+
+ /* Source should be on for 100 ms as per USB charging spec */
+ msleep(TDP_SRC_ON_MS);
+
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ /* If charger is not connected disable the interrupt */
+ val &= ~VDAT_DET_INT_EN;
+ val |= VDAT_DET_CHG_DET;
+ writel(val, base + USB_PHY_VBUS_WAKEUP_ID);
+
+ val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
+ if (val & VDAT_DET_STS)
+ status = true;
+ else
+ status = false;
+
+ /* Disable charger detection logic */
+ val = readl(base + UTMIP_BAT_CHRG_CFG0);
+ val &= ~(UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN);
+ writel(val, base + UTMIP_BAT_CHRG_CFG0);
+
+ /* Delay of 40 ms before we pull the D+ as per battery charger spec */
+ msleep(TDPSRC_CON_MS);
+
+ return status;
+}
+
+static int uhsic_phy_open(struct tegra_usb_phy *phy)
+{
+ unsigned long parent_rate;
+ int i;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ parent_rate = clk_get_rate(clk_get_parent(phy->pllu_clk));
+ for (i = 0; i < ARRAY_SIZE(uhsic_freq_table); i++) {
+ if (uhsic_freq_table[i].freq == parent_rate) {
+ phy->freq = &uhsic_freq_table[i];
+ break;
+ }
+ }
+ if (!phy->freq) {
+ pr_err("invalid pll_u parent rate %ld\n", parent_rate);
+ return -EINVAL;
+ }
+
+ utmip_powerup_pmc_wake_detect(phy);
+
+ return 0;
+}
+
+static int uhsic_phy_irq(struct tegra_usb_phy *phy)
+{
+ usb_phy_fence_read(phy);
+ return IRQ_HANDLED;
+}
+
+static int uhsic_phy_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ struct tegra_hsic_config *config = &phy->pdata->u_cfg.hsic;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ utmip_powerup_pmc_wake_detect(phy);
+
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already On\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~(UHSIC_PD_BG | UHSIC_PD_TX | UHSIC_PD_TRK | UHSIC_PD_RX |
+ UHSIC_PD_ZI | UHSIC_RPD_DATA | UHSIC_RPD_STROBE);
+ val |= UHSIC_RX_SEL;
+ writel(val, base + UHSIC_PADS_CFG1);
+ udelay(2);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(30);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + UHSIC_HSRX_CFG0);
+ val |= UHSIC_IDLE_WAIT(config->idle_wait_delay);
+ val |= UHSIC_ELASTIC_UNDERRUN_LIMIT(config->elastic_underrun_limit);
+ val |= UHSIC_ELASTIC_OVERRUN_LIMIT(config->elastic_overrun_limit);
+ writel(val, base + UHSIC_HSRX_CFG0);
+
+ val = readl(base + UHSIC_HSRX_CFG1);
+ val |= UHSIC_HS_SYNC_START_DLY(config->sync_start_delay);
+ writel(val, base + UHSIC_HSRX_CFG1);
+
+ /* WAR HSIC TX */
+ val = readl(base + UHSIC_TX_CFG0);
+ val &= ~UHSIC_HS_READY_WAIT_FOR_VALID;
+ writel(val, base + UHSIC_TX_CFG0);
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_SUSPEND_EXIT_ON_EDGE;
+ /* Disable generic bus reset, to allow AP30 specific bus reset*/
+ val |= UHSIC_DISABLE_BUSRESET;
+ writel(val, base + UHSIC_MISC_CFG0);
+
+ val = readl(base + UHSIC_MISC_CFG1);
+ val |= UHSIC_PLLU_STABLE_COUNT(phy->freq->stable_count);
+ writel(val, base + UHSIC_MISC_CFG1);
+
+ val = readl(base + UHSIC_PLL_CFG1);
+ val |= UHSIC_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
+ val |= UHSIC_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count);
+ writel(val, base + UHSIC_PLL_CFG1);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~(UHSIC_RESET);
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(2);
+
+ val = readl(base + USB_USBMODE);
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE);
+
+ /* Change the USB controller PHY type to HSIC */
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
+ val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
+ val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
+ val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
+ writel(val, base + HOSTPC1_DEVLC);
+
+ val = readl(base + USB_TXFILLTUNING);
+ if ((val & USB_FIFO_TXFILL_MASK) != USB_FIFO_TXFILL_THRES(0x10)) {
+ val = USB_FIFO_TXFILL_THRES(0x10);
+ writel(val, base + USB_TXFILLTUNING);
+ }
+
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_WKOC | USB_PORTSC_WKDS | USB_PORTSC_WKCN);
+ writel(val, base + USB_PORTSC);
+
+ val = readl(base + UHSIC_PADS_CFG0);
+ val &= ~(UHSIC_TX_RTUNEN);
+ /* set Rtune impedance to 50 ohm */
+ val |= UHSIC_TX_RTUNE(8);
+ writel(val, base + UHSIC_PADS_CFG0);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL,
+ USB_PHY_CLK_VALID, USB_PHY_CLK_VALID, 2500)) {
+ pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+
+ return 0;
+}
+
+static int uhsic_phy_power_off(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n",
+ __func__, __LINE__, phy->inst);
+ return 0;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ val |= UHSIC_RPD_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(30);
+
+ utmip_powerdown_pmc_wake_detect(phy);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ return 0;
+}
+
+int uhsic_phy_bus_port_power(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + UHSIC_STAT_CFG0);
+ val &= ~UHSIC_CONNECT_DETECT;
+ writel(val, base + UHSIC_STAT_CFG0);
+
+ val = readl(base + USB_USBMODE);
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE);
+
+ /* Change the USB controller PHY type to HSIC */
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~(HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK));
+ val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
+ val &= ~(HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK));
+ val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
+ writel(val, base + HOSTPC1_DEVLC);
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_DETECT_SHORT_CONNECT;
+ writel(val, base + UHSIC_MISC_CFG0);
+ udelay(1);
+
+ val = readl(base + UHSIC_MISC_CFG0);
+ val |= UHSIC_FORCE_XCVR_MODE;
+ writel(val, base + UHSIC_MISC_CFG0);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPD_STROBE;
+ /* safe to enable RPU on STROBE at all times during idle */
+ val |= UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_USBCMD);
+ val &= ~USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + UHSIC_STAT_CFG0,
+ UHSIC_CONNECT_DETECT, UHSIC_CONNECT_DETECT, 25000)) {
+ pr_err("%s: timeout waiting for UHSIC_CONNECT_DETECT\n",
+ __func__);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+static int uhsic_phy_bus_reset(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ /* Change the USB controller PHY type to HSIC */
+ val = readl(base + HOSTPC1_DEVLC);
+ val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
+ val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
+ val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
+ val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
+ writel(val, base + HOSTPC1_DEVLC);
+ /* wait here, otherwise HOSTPC1_DEVLC_PSPD will timeout */
+ mdelay(5);
+
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PTC(5);
+ writel(val, base + USB_PORTSC);
+ udelay(2);
+
+ val = readl(base + USB_PORTSC);
+ val &= ~(USB_PORTSC_PTC(~0));
+ writel(val, base + USB_PORTSC);
+ udelay(2);
+
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_LS(0),
+ 0, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_LS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ /* Poll until CCS is enabled */
+ if (usb_phy_reg_status_wait(base + USB_PORTSC, USB_PORTSC_CCS,
+ USB_PORTSC_CCS, 2000)) {
+ pr_err("%s: timeout waiting for USB_PORTSC_CCS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ if (usb_phy_reg_status_wait(base + HOSTPC1_DEVLC,
+ HOSTPC1_DEVLC_PSPD(2),
+ HOSTPC1_DEVLC_PSPD(2), 2000) < 0) {
+ pr_err("%s: timeout waiting hsic high speed configuration\n",
+ __func__);
+ return -ETIMEDOUT;
+ }
+
+ val = readl(base + USB_USBCMD);
+ val &= ~USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBSTS, USB_USBSTS_HCH,
+ USB_USBSTS_HCH, 2000)) {
+ pr_err("%s: timeout waiting for USB_USBSTS_HCH\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ val |= UHSIC_RPD_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ mdelay(50);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPD_STROBE;
+ val |= UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ val = readl(base + USB_USBCMD);
+ val |= USB_USBCMD_RS;
+ writel(val, base + USB_USBCMD);
+
+ val = readl(base + UHSIC_PADS_CFG1);
+ val &= ~UHSIC_RPU_STROBE;
+ writel(val, base + UHSIC_PADS_CFG1);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD, USB_USBCMD_RS,
+ USB_USBCMD_RS, 2000)) {
+ pr_err("%s: timeout waiting for USB_USBCMD_RS\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ return 0;
+}
+
+
+int uhsic_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ usb_phy_wait_for_sof(phy);
+
+ return 0;
+}
+
+int uhsic_phy_resume(struct tegra_usb_phy *phy)
+{
+ void __iomem *base = phy->regs;
+ unsigned long val;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ /* Check if the phy resume from LP0. When the phy resume from LP0
+ * USB register will be reset.to zero */
+ if (!readl(base + USB_ASYNCLISTADDR)) {
+
+ val = readl(base + USB_USBCMD);
+ val |= USB_CMD_RESET;
+ writel(val, base + USB_USBCMD);
+
+ if (usb_phy_reg_status_wait(base + USB_USBCMD,
+ USB_CMD_RESET, 0, 2500) < 0) {
+ pr_err("%s: timeout waiting for reset\n", __func__);
+ }
+
+ val = readl(base + USB_USBMODE);
+ val &= ~USB_USBMODE_MASK;
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE);
+
+ /* Enable Port Power */
+ val = readl(base + USB_PORTSC);
+ val |= USB_PORTSC_PP;
+ writel(val, base + USB_PORTSC);
+ udelay(10);
+
+ DBG("USB_USBSTS[0x%x] USB_PORTSC[0x%x]\n",
+ readl(base + USB_USBSTS), readl(base + USB_PORTSC));
+
+ uhsic_phy_bus_port_power(phy);
+ }
+
+ return 0;
+}
+
+static int uhsic_phy_post_resume(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + USB_TXFILLTUNING);
+ if ((val & USB_FIFO_TXFILL_MASK) != USB_FIFO_TXFILL_THRES(0x10)) {
+ val = USB_FIFO_TXFILL_THRES(0x10);
+ writel(val, base + USB_TXFILLTUNING);
+ }
+
+ return 0;
+}
+
+static void ulpi_set_trimmer(struct tegra_usb_phy *phy)
+{
+ struct tegra_ulpi_config *config = &phy->pdata->u_cfg.ulpi;
+ void __iomem *base = phy->regs;
+ unsigned long val;
+
+ val = ULPI_DATA_TRIMMER_SEL(config->data_trimmer);
+ val |= ULPI_STPDIRNXT_TRIMMER_SEL(config->stpdirnxt_trimmer);
+ val |= ULPI_DIR_TRIMMER_SEL(config->dir_trimmer);
+ writel(val, base + ULPI_TIMING_CTRL_1);
+ udelay(10);
+
+ val |= ULPI_DATA_TRIMMER_LOAD;
+ val |= ULPI_STPDIRNXT_TRIMMER_LOAD;
+ val |= ULPI_DIR_TRIMMER_LOAD;
+ writel(val, base + ULPI_TIMING_CTRL_1);
+}
+
+static void reset_utmip_uhsic(void __iomem *base)
+{
+ unsigned long val;
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UHSIC_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= UTMIP_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+}
+
+static void ulpi_set_host(void __iomem *base)
+{
+ unsigned long val;
+
+ val = readl(base + USB_USBMODE);
+ val |= USB_USBMODE_HOST;
+ writel(val, base + USB_USBMODE);
+
+ val = readl(base + HOSTPC1_DEVLC);
+ val |= HOSTPC1_DEVLC_PTS(2);
+ writel(val, base + HOSTPC1_DEVLC);
+}
+
+
+
+static inline void null_phy_set_tristate(bool enable)
+{
+#ifndef CONFIG_ARCH_TEGRA_2x_SOC
+ int tristate = (enable) ? TEGRA_TRI_TRISTATE : TEGRA_TRI_NORMAL;
+ DBG("%s(%d) inst:[%s] FIXME enable pin group +++\n", __func__,
+ __LINE__, enable ? "TRISTATE" : "NORMAL");
+
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA0, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA1, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA2, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA3, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA4, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA5, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA6, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA7, tristate);
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_NXT, tristate);
+
+ if (enable)
+ tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DIR, tristate);
+#endif
+
+}
+
+
+static int ulpi_null_phy_power_off(struct tegra_usb_phy *phy)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ if (!phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already off\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+
+ null_phy_set_tristate(true);
+
+ phy->phy_clk_on = false;
+ phy->hw_accessible = false;
+
+ return 0;
+}
+
+static int ulpi_null_phy_init(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ val = readl(base + ULPIS2S_CTRL);
+ val |= ULPIS2S_SLV0_CLAMP_XMIT;
+ writel(val, base + ULPIS2S_CTRL);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= ULPIS2S_SLV0_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(10);
+
+ return 0;
+}
+
+static int ulpi_null_phy_irq(struct tegra_usb_phy *phy)
+{
+ usb_phy_fence_read(phy);
+ return IRQ_HANDLED;
+}
+
+static int ulpi_null_phy_cmd_reset(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ ulpi_set_host(base);
+
+ /* remove slave0 reset */
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~ULPIS2S_SLV0_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ val = readl(base + ULPIS2S_CTRL);
+ val &= ~ULPIS2S_SLV0_CLAMP_XMIT;
+ writel(val, base + ULPIS2S_CTRL);
+ udelay(10);
+
+ return 0;
+}
+
+static int ulpi_null_phy_power_on(struct tegra_usb_phy *phy)
+{
+ unsigned long val;
+ void __iomem *base = phy->regs;
+ struct tegra_ulpi_config *config = &phy->pdata->u_cfg.ulpi;
+ static bool cold_boot = true;
+
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->phy_clk_on) {
+ DBG("%s(%d) inst:[%d] phy clk is already On\n", __func__,
+ __LINE__, phy->inst);
+ return 0;
+ }
+ reset_utmip_uhsic(base);
+
+ /* remove ULPI PADS CLKEN reset */
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~ULPI_PADS_CLKEN_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(10);
+
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+
+ val = readl(base + USB_SUSP_CTRL);
+ val |= ULPI_PHY_ENABLE;
+ writel(val, base + USB_SUSP_CTRL);
+ udelay(10);
+
+ /* set timming parameters */
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_SHADOW_CLK_LOOPBACK_EN;
+ val &= ~ULPI_SHADOW_CLK_SEL;
+ val &= ~ULPI_LBK_PAD_EN;
+ val |= ULPI_SHADOW_CLK_DELAY(config->shadow_clk_delay);
+ val |= ULPI_CLOCK_OUT_DELAY(config->clock_out_delay);
+ val |= ULPI_LBK_PAD_E_INPUT_OR;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+
+ writel(0, base + ULPI_TIMING_CTRL_1);
+ udelay(10);
+
+ /* start internal 60MHz clock */
+ val = readl(base + ULPIS2S_CTRL);
+ val |= ULPIS2S_ENA;
+ val |= ULPIS2S_SUPPORT_DISCONNECT;
+ val |= ULPIS2S_SPARE((phy->pdata->op_mode == TEGRA_USB_OPMODE_HOST) ? 3 : 1);
+ val |= ULPIS2S_PLLU_MASTER_BLASTER60;
+ writel(val, base + ULPIS2S_CTRL);
+
+ /* select ULPI_CORE_CLK_SEL to SHADOW_CLK */
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_CORE_CLK_SEL;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+ udelay(10);
+
+ /* enable ULPI null phy clock - can't set the trimmers before this */
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_CLK_OUT_ENA;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+ udelay(10);
+
+ if (usb_phy_reg_status_wait(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
+ USB_PHY_CLK_VALID, 2500)) {
+ pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
+ return -ETIMEDOUT;
+ }
+
+ /* set ULPI trimmers */
+ ulpi_set_trimmer(phy);
+
+ ulpi_set_host(base);
+
+ /* remove slave0 reset */
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~ULPIS2S_SLV0_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ /* remove slave1 and line reset */
+ val = readl(base + USB_SUSP_CTRL);
+ val &= ~ULPIS2S_SLV1_RESET;
+ val &= ~ULPIS2S_LINE_RESET;
+
+ /* remove ULPI PADS reset */
+ val &= ~ULPI_PADS_RESET;
+ writel(val, base + USB_SUSP_CTRL);
+
+ if (cold_boot) {
+ val = readl(base + ULPI_TIMING_CTRL_0);
+ val |= ULPI_CLK_PADOUT_ENA;
+ writel(val, base + ULPI_TIMING_CTRL_0);
+ cold_boot = false;
+ }
+ udelay(10);
+
+ phy->phy_clk_on = true;
+ phy->hw_accessible = true;
+
+ return 0;
+}
+
+
+int ulpi_null_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ usb_phy_wait_for_sof(phy);
+ return 0;
+}
+
+static struct tegra_usb_phy_ops utmi_phy_ops = {
+ .open = utmi_phy_open,
+ .close = utmi_phy_close,
+ .irq = utmi_phy_irq,
+ .power_on = utmi_phy_power_on,
+ .power_off = utmi_phy_power_off,
+ .pre_resume = utmi_phy_pre_resume,
+ .resume = utmi_phy_resume,
+ .post_resume = utmi_phy_post_resume,
+ .charger_detect = utmi_phy_charger_detect,
+};
+
+static struct tegra_usb_phy_ops uhsic_phy_ops = {
+ .open = uhsic_phy_open,
+ .irq = uhsic_phy_irq,
+ .power_on = uhsic_phy_power_on,
+ .power_off = uhsic_phy_power_off,
+ .pre_resume = uhsic_phy_pre_resume,
+ .resume = uhsic_phy_resume,
+ .post_resume = uhsic_phy_post_resume,
+ .port_power = uhsic_phy_bus_port_power,
+ .bus_reset = uhsic_phy_bus_reset,
+};
+
+static struct tegra_usb_phy_ops ulpi_null_phy_ops = {
+ .init = ulpi_null_phy_init,
+ .irq = ulpi_null_phy_irq,
+ .power_on = ulpi_null_phy_power_on,
+ .power_off = ulpi_null_phy_power_off,
+ .pre_resume = ulpi_null_phy_pre_resume,
+ .reset = ulpi_null_phy_cmd_reset,
+};
+
+static struct tegra_usb_phy_ops ulpi_link_phy_ops;
+static struct tegra_usb_phy_ops icusb_phy_ops;
+
+static struct tegra_usb_phy_ops *phy_ops[] = {
+ [TEGRA_USB_PHY_INTF_UTMI] = &utmi_phy_ops,
+ [TEGRA_USB_PHY_INTF_ULPI_LINK] = &ulpi_link_phy_ops,
+ [TEGRA_USB_PHY_INTF_ULPI_NULL] = &ulpi_null_phy_ops,
+ [TEGRA_USB_PHY_INTF_HSIC] = &uhsic_phy_ops,
+ [TEGRA_USB_PHY_INTF_ICUSB] = &icusb_phy_ops,
+};
+
+int tegra3_usb_phy_init_ops(struct tegra_usb_phy *phy)
+{
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+
+ phy->ops = phy_ops[phy->pdata->phy_intf];
+
+ /* FIXME: uncommenting below line to make USB host mode fail*/
+ /* usb_phy_power_down_pmc(); */
+
+ return 0;
+}
diff --git a/arch/arm/mach-tegra/tegra_usb_phy.h b/arch/arm/mach-tegra/tegra_usb_phy.h
new file mode 100644
index 000000000000..36b88db94f52
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra_usb_phy.h
@@ -0,0 +1,104 @@
+/*
+ * arch/arm/mach-tegra/include/mach/tegra_usb_phy.h
+ *
+ * Copyright (C) 2011 NVIDIA Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#ifndef __MACH_TEGRA_USB_PHY_H
+#define __MACH_TEGRA_USB_PHY_H
+
+/**
+ * defines USB port speeds supported in USB2.0
+ */
+enum usb_phy_port_speed {
+ USB_PHY_PORT_SPEED_FULL = 0,
+ USB_PHY_PORT_SPEED_LOW,
+ USB_PHY_PORT_SPEED_HIGH,
+ USB_PHY_PORT_SPEED_UNKNOWN,
+};
+
+/**
+ * defines structure for oscillator dependent parameters
+ */
+struct tegra_xtal_freq {
+ int freq;
+ u8 enable_delay;
+ u8 stable_count;
+ u8 active_delay;
+ u16 xtal_freq_count;
+ u16 debounce;
+ u8 pdtrk_count;
+};
+
+/**
+ * pre decleration of the usb phy data structure
+ */
+struct tegra_usb_phy;
+
+/**
+ * defines function pointers used for differnt phy interfaces
+ */
+struct tegra_usb_phy_ops {
+ int (*open)(struct tegra_usb_phy *phy);
+ void (*close)(struct tegra_usb_phy *phy);
+ int (*irq)(struct tegra_usb_phy *phy);
+ int (*init)(struct tegra_usb_phy *phy);
+ int (*reset)(struct tegra_usb_phy *phy);
+ int (*pre_suspend)(struct tegra_usb_phy *phy);
+ int (*suspend)(struct tegra_usb_phy *phy);
+ int (*post_suspend)(struct tegra_usb_phy *phy);
+ int (*pre_resume)(struct tegra_usb_phy *phy, bool remote_wakeup);
+ int (*resume)(struct tegra_usb_phy *phy);
+ int (*post_resume)(struct tegra_usb_phy *phy);
+ int (*port_power)(struct tegra_usb_phy *phy);
+ int (*bus_reset)(struct tegra_usb_phy *phy);
+ int (*power_off)(struct tegra_usb_phy *phy);
+ int (*power_on)(struct tegra_usb_phy *phy);
+ bool (*charger_detect)(struct tegra_usb_phy *phy);
+};
+
+/**
+ * defines usb phy data structure
+ */
+struct tegra_usb_phy {
+ struct platform_device *pdev;
+ struct tegra_usb_platform_data *pdata;
+ struct clk *pllu_clk;
+ struct clk *ctrlr_clk;
+ struct clk *ulpi_clk;
+ struct clk *utmi_pad_clk;
+ struct clk *emc_clk;
+ struct clk *sys_clk;
+ struct regulator *vdd_reg;
+ struct regulator *vbus_reg;
+ struct tegra_usb_phy_ops *ops;
+ struct tegra_xtal_freq *freq;
+ struct otg_transceiver *ulpi_vp;
+ enum usb_phy_port_speed port_speed;
+ signed char utmi_xcvr_setup;
+ void __iomem *regs;
+ int inst;
+ bool phy_clk_on;
+ bool phy_power_on;
+ bool remote_wakeup;
+ bool hw_accessible;
+};
+
+int usb_phy_reg_status_wait(void __iomem *reg, u32 mask,
+ u32 result, u32 timeout);
+
+int tegra3_usb_phy_init_ops(struct tegra_usb_phy *phy);
+int tegra2_usb_phy_init_ops(struct tegra_usb_phy *phy);
+
+
+#endif /* __MACH_TEGRA_USB_PHY_H */
diff --git a/arch/arm/mach-tegra/usb_phy.c b/arch/arm/mach-tegra/usb_phy.c
index 8c36159e085a..6f568fd2cd29 100644
--- a/arch/arm/mach-tegra/usb_phy.c
+++ b/arch/arm/mach-tegra/usb_phy.c
@@ -18,7 +18,6 @@
* GNU General Public License for more details.
*
*/
-
#include <linux/resource.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
@@ -27,581 +26,16 @@
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/gpio.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/ulpi.h>
-#include <asm/mach-types.h>
-#include <mach/usb_phy.h>
+#include <linux/interrupt.h>
+#include <linux/clk.h>
+#include <linux/regulator/consumer.h>
+#include <linux/platform_data/tegra_usb.h>
+#include "tegra_usb_phy.h"
#include <mach/iomap.h>
-#include <mach/pinmux.h>
-#include "fuse.h"
-
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
-#define USB_USBCMD 0x140
-#define USB_USBCMD_RS (1 << 0)
-
-#define USB_USBSTS 0x144
-#define USB_USBSTS_PCI (1 << 2)
-#define USB_USBSTS_HCH (1 << 12)
-
-#define USB_TXFILLTUNING 0x164
-#define USB_FIFO_TXFILL_THRES(x) (((x) & 0x1f) << 16)
-#define USB_FIFO_TXFILL_MASK 0x1f0000
-
-#define ULPI_VIEWPORT 0x170
-#define ULPI_WAKEUP (1 << 31)
-#define ULPI_RUN (1 << 30)
-#define ULPI_RD_WR (1 << 29)
-
-#define USB_PORTSC1 0x184
-#define USB_PORTSC1_PTS(x) (((x) & 0x3) << 30)
-#define USB_PORTSC1_PSPD(x) (((x) & 0x3) << 26)
-#define USB_PORTSC1_PHCD (1 << 23)
-#define USB_PORTSC1_WKOC (1 << 22)
-#define USB_PORTSC1_WKDS (1 << 21)
-#define USB_PORTSC1_WKCN (1 << 20)
-#define USB_PORTSC1_PTC(x) (((x) & 0xf) << 16)
-#define USB_PORTSC1_PP (1 << 12)
-#define USB_PORTSC1_LS(x) (((x) & 0x3) << 10)
-#define USB_PORTSC1_SUSP (1 << 7)
-#define USB_PORTSC1_PE (1 << 2)
-#define USB_PORTSC1_CCS (1 << 0)
-
-#define USB_SUSP_CTRL 0x400
-#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3)
-#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4)
-#define USB_SUSP_CLR (1 << 5)
-#define USB_CLKEN (1 << 6)
-#define USB_PHY_CLK_VALID (1 << 7)
-#define USB_PHY_CLK_VALID_INT_ENB (1 << 9)
-#define UTMIP_RESET (1 << 11)
-#define UHSIC_RESET (1 << 11)
-#define UTMIP_PHY_ENABLE (1 << 12)
-#define UHSIC_PHY_ENABLE (1 << 12)
-#define ULPI_PHY_ENABLE (1 << 13)
-#define USB_SUSP_SET (1 << 14)
-#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16)
-
-#define USB_PHY_VBUS_WAKEUP_ID 0x408
-#define VDAT_DET_INT_EN (1 << 16)
-#define VDAT_DET_CHG_DET (1 << 17)
-#define VDAT_DET_STS (1 << 18)
-
-#define USB1_LEGACY_CTRL 0x410
-#define USB1_NO_LEGACY_MODE (1 << 0)
-#define USB1_VBUS_SENSE_CTL_MASK (3 << 1)
-#define USB1_VBUS_SENSE_CTL_VBUS_WAKEUP (0 << 1)
-#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP \
- (1 << 1)
-#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD (2 << 1)
-#define USB1_VBUS_SENSE_CTL_A_SESS_VLD (3 << 1)
-
-
-#define UTMIP_PLL_CFG1 0x804
-#define UTMIP_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
-#define UTMIP_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
-
-#define UTMIP_XCVR_CFG0 0x808
-#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0)
-#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8)
-#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10)
-#define UTMIP_FORCE_PD_POWERDOWN (1 << 14)
-#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16)
-#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18)
-#define UTMIP_XCVR_LSBIAS_SEL (1 << 21)
-#define UTMIP_XCVR_SETUP_MSB(x) (((x) & 0x7) << 22)
-#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25)
-
-#define UTMIP_XCVR_MAX_OFFSET 2
-#define UTMIP_XCVR_SETUP_MAX_VALUE 0x7f
-#define UTMIP_XCVR_SETUP_MIN_VALUE 0
-#define XCVR_SETUP_MSB_CALIB(x) ((x) >> 4)
-
-#define UTMIP_BIAS_CFG0 0x80c
-#define UTMIP_OTGPD (1 << 11)
-#define UTMIP_BIASPD (1 << 10)
-
-#define UTMIP_HSRX_CFG0 0x810
-#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10)
-#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15)
-
-#define UTMIP_HSRX_CFG1 0x814
-#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
-
-#define UTMIP_TX_CFG0 0x820
-#define UTMIP_FS_PREABMLE_J (1 << 19)
-#define UTMIP_HS_DISCON_DISABLE (1 << 8)
-
-#define UTMIP_MISC_CFG1 0x828
-#define UTMIP_PLL_ACTIVE_DLY_COUNT(x) (((x) & 0x1f) << 18)
-#define UTMIP_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 6)
-
-#define UTMIP_DEBOUNCE_CFG0 0x82c
-#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0)
-
-#define UTMIP_BAT_CHRG_CFG0 0x830
-#define UTMIP_PD_CHRG (1 << 0)
-#define UTMIP_ON_SINK_EN (1 << 2)
-#define UTMIP_OP_SRC_EN (1 << 3)
-
-#define UTMIP_XCVR_CFG1 0x838
-#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0)
-#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2)
-#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4)
-#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18)
-
-#define UTMIP_BIAS_CFG1 0x83c
-#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3)
-
-#define UHSIC_PLL_CFG1 0x804
-#define UHSIC_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
-#define UHSIC_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 14)
-
-#define UHSIC_HSRX_CFG0 0x808
-#define UHSIC_ELASTIC_UNDERRUN_LIMIT(x) (((x) & 0x1f) << 2)
-#define UHSIC_ELASTIC_OVERRUN_LIMIT(x) (((x) & 0x1f) << 8)
-#define UHSIC_IDLE_WAIT(x) (((x) & 0x1f) << 13)
-
-#define UHSIC_HSRX_CFG1 0x80c
-#define UHSIC_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
-
-#define UHSIC_TX_CFG0 0x810
-#define UHSIC_HS_POSTAMBLE_OUTPUT_ENABLE (1 << 6)
-
-#define UHSIC_MISC_CFG0 0x814
-#define UHSIC_SUSPEND_EXIT_ON_EDGE (1 << 7)
-#define UHSIC_DETECT_SHORT_CONNECT (1 << 8)
-#define UHSIC_FORCE_XCVR_MODE (1 << 15)
-
-#define UHSIC_MISC_CFG1 0X818
-#define UHSIC_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 2)
-
-#define UHSIC_PADS_CFG0 0x81c
-#define UHSIC_TX_RTUNEN 0xf000
-#define UHSIC_TX_RTUNE(x) (((x) & 0xf) << 12)
-
-#define UHSIC_PADS_CFG1 0x820
-#define UHSIC_PD_BG (1 << 2)
-#define UHSIC_PD_TX (1 << 3)
-#define UHSIC_PD_TRK (1 << 4)
-#define UHSIC_PD_RX (1 << 5)
-#define UHSIC_PD_ZI (1 << 6)
-#define UHSIC_RX_SEL (1 << 7)
-#define UHSIC_RPD_DATA (1 << 9)
-#define UHSIC_RPD_STROBE (1 << 10)
-#define UHSIC_RPU_DATA (1 << 11)
-#define UHSIC_RPU_STROBE (1 << 12)
-
-#define UHSIC_STAT_CFG0 0x828
-#define UHSIC_CONNECT_DETECT (1 << 0)
-
-
-#else
-#define USB_USBCMD 0x130
-#define USB_USBCMD_RS (1 << 0)
-
-#define USB_USBSTS 0x134
-#define USB_USBSTS_PCI (1 << 2)
-#define USB_USBSTS_SRI (1 << 7)
-#define USB_USBSTS_HCH (1 << 12)
-
-#define USB_TXFILLTUNING 0x154
-#define USB_FIFO_TXFILL_THRES(x) (((x) & 0x1f) << 16)
-#define USB_FIFO_TXFILL_MASK 0x1f0000
-
-#define ULPI_VIEWPORT 0x160
-
-#define USB_PORTSC1 0x174
-#define USB_PORTSC1_WKOC (1 << 22)
-#define USB_PORTSC1_WKDS (1 << 21)
-#define USB_PORTSC1_WKCN (1 << 20)
-#define USB_PORTSC1_PTC(x) (((x) & 0xf) << 16)
-#define USB_PORTSC1_PP (1 << 12)
-#define USB_PORTSC1_LS(x) (((x) & 0x3) << 10)
-#define USB_PORTSC1_SUSP (1 << 7)
-#define USB_PORTSC1_RESUME (1 << 6)
-#define USB_PORTSC1_PE (1 << 2)
-#define USB_PORTSC1_CCS (1 << 0)
-
-#define USB_SUSP_CTRL 0x400
-#define USB_WAKE_ON_CNNT_EN_DEV (1 << 3)
-#define USB_WAKE_ON_DISCON_EN_DEV (1 << 4)
-#define USB_SUSP_CLR (1 << 5)
-#define USB_PHY_CLK_VALID (1 << 7)
-#define USB_PHY_CLK_VALID_INT_ENB (1 << 9)
-
-
-#define UTMIP_RESET (1 << 11)
-#define UTMIP_PHY_ENABLE (1 << 12)
-#define ULPI_PHY_ENABLE (1 << 13)
-#define UHSIC_RESET (1 << 14)
-
-#define USB_WAKEUP_DEBOUNCE_COUNT(x) (((x) & 0x7) << 16)
-#define UHSIC_PHY_ENABLE (1 << 19)
-#define ULPIS2S_SLV0_RESET (1 << 20)
-#define ULPIS2S_SLV1_RESET (1 << 21)
-#define ULPIS2S_LINE_RESET (1 << 22)
-#define ULPI_PADS_RESET (1 << 23)
-#define ULPI_PADS_CLKEN_RESET (1 << 24)
-
-#define USB_PHY_VBUS_WAKEUP_ID 0x408
-#define VDAT_DET_INT_EN (1 << 16)
-#define VDAT_DET_CHG_DET (1 << 17)
-#define VDAT_DET_STS (1 << 18)
-
-#define USB1_LEGACY_CTRL 0x410
-#define USB1_NO_LEGACY_MODE (1 << 0)
-#define USB1_VBUS_SENSE_CTL_MASK (3 << 1)
-#define USB1_VBUS_SENSE_CTL_VBUS_WAKEUP (0 << 1)
-#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD_OR_VBUS_WAKEUP \
- (1 << 1)
-#define USB1_VBUS_SENSE_CTL_AB_SESS_VLD (2 << 1)
-#define USB1_VBUS_SENSE_CTL_A_SESS_VLD (3 << 1)
-
-#define UTMIP_PLL_CFG1 0x804
-#define UTMIP_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
-#define UTMIP_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 27)
-
-#define UTMIP_XCVR_CFG0 0x808
-#define UTMIP_XCVR_SETUP(x) (((x) & 0xf) << 0)
-#define UTMIP_XCVR_LSRSLEW(x) (((x) & 0x3) << 8)
-#define UTMIP_XCVR_LSFSLEW(x) (((x) & 0x3) << 10)
-#define UTMIP_FORCE_PD_POWERDOWN (1 << 14)
-#define UTMIP_FORCE_PD2_POWERDOWN (1 << 16)
-#define UTMIP_FORCE_PDZI_POWERDOWN (1 << 18)
-#define UTMIP_XCVR_LSBIAS_SEL (1 << 21)
-#define UTMIP_XCVR_SETUP_MSB(x) (((x) & 0x7) << 22)
-#define UTMIP_XCVR_HSSLEW_MSB(x) (((x) & 0x7f) << 25)
-
-#define UTMIP_XCVR_MAX_OFFSET 2
-#define UTMIP_XCVR_SETUP_MAX_VALUE 0x7f
-#define UTMIP_XCVR_SETUP_MIN_VALUE 0
-#define XCVR_SETUP_MSB_CALIB(x) ((x) >> 4)
-
-#define UTMIP_BIAS_CFG0 0x80c
-#define UTMIP_OTGPD (1 << 11)
-#define UTMIP_BIASPD (1 << 10)
-#define UTMIP_HSSQUELCH_LEVEL(x) (((x) & 0x3) << 0)
-#define UTMIP_HSDISCON_LEVEL(x) (((x) & 0x3) << 2)
-#define UTMIP_HSDISCON_LEVEL_MSB (1 << 24)
-
-#define UTMIP_HSRX_CFG0 0x810
-#define UTMIP_ELASTIC_LIMIT(x) (((x) & 0x1f) << 10)
-#define UTMIP_IDLE_WAIT(x) (((x) & 0x1f) << 15)
-
-#define UTMIP_HSRX_CFG1 0x814
-#define UTMIP_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
-
-#define UTMIP_TX_CFG0 0x820
-#define UTMIP_FS_PREABMLE_J (1 << 19)
-#define UTMIP_HS_DISCON_DISABLE (1 << 8)
-
-#define UTMIP_MISC_CFG1 0x828
-#define UTMIP_PLL_ACTIVE_DLY_COUNT(x) (((x) & 0x1f) << 18)
-#define UTMIP_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 6)
-
-#define UTMIP_DEBOUNCE_CFG0 0x82c
-#define UTMIP_BIAS_DEBOUNCE_A(x) (((x) & 0xffff) << 0)
-
-#define UTMIP_BAT_CHRG_CFG0 0x830
-#define UTMIP_PD_CHRG (1 << 0)
-#define UTMIP_ON_SINK_EN (1 << 2)
-#define UTMIP_OP_SRC_EN (1 << 3)
-
-#define UTMIP_XCVR_CFG1 0x838
-#define UTMIP_FORCE_PDDISC_POWERDOWN (1 << 0)
-#define UTMIP_FORCE_PDCHRP_POWERDOWN (1 << 2)
-#define UTMIP_FORCE_PDDR_POWERDOWN (1 << 4)
-#define UTMIP_XCVR_TERM_RANGE_ADJ(x) (((x) & 0xf) << 18)
-
-#define UTMIP_BIAS_CFG1 0x83c
-#define UTMIP_BIAS_PDTRK_COUNT(x) (((x) & 0x1f) << 3)
-#define UTMIP_BIAS_PDTRK_POWERDOWN (1 << 0)
-#define UTMIP_BIAS_PDTRK_POWERUP (1 << 1)
-
-#define HOSTPC1_DEVLC 0x1b4
-#define HOSTPC1_DEVLC_PHCD (1 << 22)
-#define HOSTPC1_DEVLC_PTS(x) (((x) & 0x7) << 29)
-#define HOSTPC1_DEVLC_PTS_MASK 7
-#define HOSTPC1_DEVLC_PTS_HSIC 4
-#define HOSTPC1_DEVLC_STS (1 << 28)
-#define HOSTPC1_DEVLC_PSPD(x) (((x) & 0x3) << 25)
-#define HOSTPC1_DEVLC_PSPD_MASK 3
-#define HOSTPC1_DEVLC_PSPD_HIGH_SPEED 2
-
-#define TEGRA_USB_USBMODE_REG_OFFSET 0x1f8
-#define TEGRA_USB_USBMODE_HOST (3 << 0)
-
-#define TEGRA_PMC_USB_AO 0xf0
-#define TEGRA_PMC_USB_AO_VBUS_WAKEUP_PD_P0 (1 << 2)
-#define TEGRA_PMC_USB_AO_ID_PD_P0 (1 << 3)
-#define TEGRA_PMC_USB_AO_PD_P2 (0xf << 8)
-
-#define ICUSB_CTRL 0x15c
-
-#define UHSIC_PLL_CFG1 0xc04
-#define UHSIC_XTAL_FREQ_COUNT(x) (((x) & 0xfff) << 0)
-#define UHSIC_PLLU_ENABLE_DLY_COUNT(x) (((x) & 0x1f) << 14)
-
-#define UHSIC_HSRX_CFG0 0xc08
-#define UHSIC_ELASTIC_UNDERRUN_LIMIT(x) (((x) & 0x1f) << 2)
-#define UHSIC_ELASTIC_OVERRUN_LIMIT(x) (((x) & 0x1f) << 8)
-#define UHSIC_IDLE_WAIT(x) (((x) & 0x1f) << 13)
-
-#define UHSIC_HSRX_CFG1 0xc0c
-#define UHSIC_HS_SYNC_START_DLY(x) (((x) & 0x1f) << 1)
-
-#define UHSIC_TX_CFG0 0xc10
-#define UHSIC_HS_READY_WAIT_FOR_VALID (1 << 9)
-
-#define UHSIC_MISC_CFG0 0xc14
-#define UHSIC_SUSPEND_EXIT_ON_EDGE (1 << 7)
-#define UHSIC_DETECT_SHORT_CONNECT (1 << 8)
-#define UHSIC_FORCE_XCVR_MODE (1 << 15)
-#define UHSIC_DISABLE_BUSRESET (1 << 20)
-
-#define UHSIC_MISC_CFG1 0xc18
-#define UHSIC_PLLU_STABLE_COUNT(x) (((x) & 0xfff) << 2)
-
-#define UHSIC_PADS_CFG0 0xc1c
-#define UHSIC_TX_RTUNEN 0xf000
-#define UHSIC_TX_RTUNE(x) (((x) & 0xf) << 12)
-
-#define UHSIC_PADS_CFG1 0xc20
-#define UHSIC_PD_BG (1 << 2)
-#define UHSIC_PD_TX (1 << 3)
-#define UHSIC_PD_TRK (1 << 4)
-#define UHSIC_PD_RX (1 << 5)
-#define UHSIC_PD_ZI (1 << 6)
-#define UHSIC_RX_SEL (1 << 7)
-#define UHSIC_RPD_DATA (1 << 9)
-#define UHSIC_RPD_STROBE (1 << 10)
-#define UHSIC_RPU_DATA (1 << 11)
-#define UHSIC_RPU_STROBE (1 << 12)
-
-#define UHSIC_STAT_CFG0 0xc28
-#define UHSIC_CONNECT_DETECT (1 << 0)
-
-#define PMC_UTMIP_MASTER_CONFIG 0x310
-#define UTMIP_PWR(inst) (1 << (inst))
-
-#define PMC_USB_DEBOUNCE 0xec
-#define UTMIP_LINE_DEB_CNT(x) (((x) & 0xf) << 16)
-
-#define PMC_UTMIP_UHSIC_FAKE 0x218
-#define USBON_VAL(inst) (1 << ((4*(inst))+1))
-#define USBON_VAL_P2 (1 << 9)
-#define USBON_VAL_P1 (1 << 5)
-#define USBON_VAL_P0 (1 << 1)
-#define USBOP_VAL(inst) (1 << (4*(inst)))
-#define USBOP_VAL_P2 (1 << 8)
-#define USBOP_VAL_P1 (1 << 4)
-#define USBOP_VAL_P0 (1 << 0)
-
-#define PMC_SLEEPWALK_CFG 0x200
-#define UTMIP_LINEVAL_WALK_EN(inst) (1 << ((8*(inst))+7))
-#define UTMIP_LINEVAL_WALK_EN_P2 (1 << 23)
-#define UTMIP_LINEVAL_WALK_EN_P1 (1 << 15)
-#define UTMIP_LINEVAL_WALK_EN_P0 (1 << 7)
-#define UTMIP_WAKE_VAL(inst, x) (((x) & 0xf) << ((8*(inst))+4))
-#define UTMIP_WAKE_VAL_P2(x) (((x) & 0xf) << 20)
-#define UTMIP_WAKE_VAL_P1(x) (((x) & 0xf) << 12)
-#define UTMIP_WAKE_VAL_P0(x) (((x) & 0xf) << 4)
-#define WAKE_VAL_NONE 0xc
-#define WAKE_VAL_FSJ 0x2
-#define WAKE_VAL_FSK 0x1
-#define WAKE_VAL_SE0 0x0
-#define WAKE_VAL_ANY 0xf
-
-#define PMC_SLEEP_CFG 0x1fc
-#define UTMIP_TCTRL_USE_PMC(inst) (1 << ((8*(inst))+3))
-#define UTMIP_TCTRL_USE_PMC_P2 (1 << 19)
-#define UTMIP_TCTRL_USE_PMC_P1 (1 << 11)
-#define UTMIP_TCTRL_USE_PMC_P0 (1 << 3)
-#define UTMIP_RCTRL_USE_PMC(inst) (1 << ((8*(inst))+2))
-#define UTMIP_RCTRL_USE_PMC_P2 (1 << 18)
-#define UTMIP_RCTRL_USE_PMC_P1 (1 << 10)
-#define UTMIP_RCTRL_USE_PMC_P0 (1 << 2)
-#define UTMIP_FSLS_USE_PMC(inst) (1 << ((8*(inst))+1))
-#define UTMIP_FSLS_USE_PMC_P2 (1 << 17)
-#define UTMIP_FSLS_USE_PMC_P1 (1 << 9)
-#define UTMIP_FSLS_USE_PMC_P0 (1 << 1)
-#define UTMIP_MASTER_ENABLE(inst) (1 << (8*(inst)))
-#define UTMIP_MASTER_ENABLE_P2 (1 << 16)
-#define UTMIP_MASTER_ENABLE_P1 (1 << 8)
-#define UTMIP_MASTER_ENABLE_P0 (1 << 0)
-#define UHSIC_MASTER_ENABLE_P0 (1 << 24)
-#define UHSIC_WAKE_VAL_P0(x) (((x) & 0xf) << 28)
-
-#define PMC_USB_AO 0xf0
-#define PMC_POWER_DOWN_MASK 0xffff
-#define HSIC_RESERVED_P0 (3 << 14)
-#define HSIC_STOBE_VAL_PD_P0 (1 << 13)
-#define HSIC_DATA_VAL_PD_P0 (1 << 12)
-#define USB_ID_PD(inst) (1 << ((4*(inst))+3))
-#define VBUS_WAKEUP_PD(inst) (1 << ((4*(inst))+2))
-#define USBON_VAL_PD(inst) (1 << ((4*(inst))+1))
-#define USBON_VAL_PD_P2 (1 << 9)
-#define USBON_VAL_PD_P1 (1 << 5)
-#define USBON_VAL_PD_P0 (1 << 1)
-#define USBOP_VAL_PD(inst) (1 << (4*(inst)))
-#define USBOP_VAL_PD_P2 (1 << 8)
-#define USBOP_VAL_PD_P1 (1 << 4)
-#define USBOP_VAL_PD_P0 (1 << 0)
-
-#define PMC_TRIGGERS 0x1ec
-#define UTMIP_CLR_WALK_PTR(inst) (1 << (inst))
-#define UTMIP_CLR_WALK_PTR_P2 (1 << 2)
-#define UTMIP_CLR_WALK_PTR_P1 (1 << 1)
-#define UTMIP_CLR_WALK_PTR_P0 (1 << 0)
-#define UTMIP_CAP_CFG(inst) (1 << ((inst)+4))
-#define UTMIP_CAP_CFG_P2 (1 << 6)
-#define UTMIP_CAP_CFG_P1 (1 << 5)
-#define UTMIP_CAP_CFG_P0 (1 << 4)
-#define UTMIP_CLR_WAKE_ALARM(inst) (1 << ((inst)+12))
-#define UTMIP_CLR_WAKE_ALARM_P2 (1 << 14)
-
-#define PMC_PAD_CFG (0x1f4)
-
-#define PMC_UTMIP_BIAS_MASTER_CNTRL 0x30c
-#define BIAS_MASTER_PROG_VAL (1 << 1)
-
-#define PMC_SLEEPWALK_REG(inst) (0x204 + (4*(inst)))
-#define PMC_SLEEPWALK_P0 0x204
-#define PMC_SLEEPWALK_P1 0x208
-#define PMC_SLEEPWALK_P2 0x20c
-#define UTMIP_USBOP_RPD_A (1 << 0)
-#define UTMIP_USBON_RPD_A (1 << 1)
-#define UTMIP_AP_A (1 << 4)
-#define UTMIP_AN_A (1 << 5)
-#define UTMIP_HIGHZ_A (1 << 6)
-#define UTMIP_USBOP_RPD_B (1 << 8)
-#define UTMIP_USBON_RPD_B (1 << 9)
-#define UTMIP_AP_B (1 << 12)
-#define UTMIP_AN_B (1 << 13)
-#define UTMIP_HIGHZ_B (1 << 14)
-#define UTMIP_USBOP_RPD_C (1 << 16)
-#define UTMIP_USBON_RPD_C (1 << 17)
-#define UTMIP_AP_C (1 << 20)
-#define UTMIP_AN_C (1 << 21)
-#define UTMIP_HIGHZ_C (1 << 22)
-#define UTMIP_USBOP_RPD_D (1 << 24)
-#define UTMIP_USBON_RPD_D (1 << 25)
-#define UTMIP_AP_D (1 << 28)
-#define UTMIP_AN_D (1 << 29)
-#define UTMIP_HIGHZ_D (1 << 30)
-
-#define UTMIP_PMC_WAKEUP0 0x84c
-#define EVENT_INT_ENB (1 << 0)
-
-#define UTMIP_UHSIC_STATUS 0x214
-#define UTMIP_WALK_PTR_VAL(inst) (0x3 << ((inst)*2))
-#define UTMIP_USBOP_VAL(inst) (1 << ((2*(inst)) + 8))
-#define UTMIP_USBOP_VAL_P2 (1 << 12)
-#define UTMIP_USBOP_VAL_P1 (1 << 10)
-#define UTMIP_USBOP_VAL_P0 (1 << 8)
-#define UTMIP_USBON_VAL(inst) (1 << ((2*(inst)) + 9))
-#define UTMIP_USBON_VAL_P2 (1 << 13)
-#define UTMIP_USBON_VAL_P1 (1 << 11)
-#define UTMIP_USBON_VAL_P0 (1 << 9)
-#define UTMIP_WAKE_ALARM(inst) (1 << ((inst) + 16))
-#define UTMIP_WAKE_ALARM_P2 (1 << 18)
-#define UTMIP_WAKE_ALARM_P1 (1 << 17)
-#define UTMIP_WAKE_ALARM_P0 (1 << 16)
-#define UTMIP_WALK_PTR(inst) (1 << ((inst)*2))
-#define UTMIP_WALK_PTR_P2 (1 << 4)
-#define UTMIP_WALK_PTR_P1 (1 << 2)
-#define UTMIP_WALK_PTR_P0 (1 << 0)
-
-#define UTMIP_BIAS_STS0 0x840
-#define UTMIP_RCTRL_VAL(x) (((x) & 0xffff) << 0)
-#define UTMIP_TCTRL_VAL(x) (((x) & (0xffff << 16)) >> 16)
-
-#define PMC_UTMIP_TERM_PAD_CFG 0x1f8
-#define PMC_TCTRL_VAL(x) (((x) & 0x1f) << 5)
-#define PMC_RCTRL_VAL(x) (((x) & 0x1f) << 0)
-
-#define UHSIC_SLEEPWALK_REG 0x210
-#define UHSIC_DATA_RPD_D (1 << 25)
-#define UHSIC_STRB_RPD_D (1 << 24)
-#define UHSIC_DATA_RPD_C (1 << 17)
-#define UHSIC_STRB_RPD_C (1 << 16)
-#define UHSIC_DATA_RPD_B (1 << 9)
-#define UHSIC_STRB_RPD_B (1 << 8)
-#define UHSIC_DATA_RPD_A (1 << 1)
-#define UHSIC_STRB_RPD_A (1 << 0)
-
-static u32 utmip_rctrl_val, utmip_tctrl_val;
-
-#endif
-
-/* Common registers */
-#define UTMIP_MISC_CFG0 0x824
-#define UTMIP_DPDM_OBSERVE (1 << 26)
-#define UTMIP_DPDM_OBSERVE_SEL(x) (((x) & 0xf) << 27)
-#define UTMIP_DPDM_OBSERVE_SEL_FS_J UTMIP_DPDM_OBSERVE_SEL(0xf)
-#define UTMIP_DPDM_OBSERVE_SEL_FS_K UTMIP_DPDM_OBSERVE_SEL(0xe)
-#define UTMIP_DPDM_OBSERVE_SEL_FS_SE1 UTMIP_DPDM_OBSERVE_SEL(0xd)
-#define UTMIP_DPDM_OBSERVE_SEL_FS_SE0 UTMIP_DPDM_OBSERVE_SEL(0xc)
-#define UTMIP_SUSPEND_EXIT_ON_EDGE (1 << 22)
-#define FORCE_PULLDN_DM (1 << 8)
-#define FORCE_PULLDN_DP (1 << 9)
-#define COMB_TERMS (1 << 0)
-#define ALWAYS_FREE_RUNNING_TERMS (1 << 1)
-
-#define ULPIS2S_CTRL 0x418
-#define ULPIS2S_ENA (1 << 0)
-#define ULPIS2S_SUPPORT_DISCONNECT (1 << 2)
-#define ULPIS2S_PLLU_MASTER_BLASTER60 (1 << 3)
-#define ULPIS2S_SPARE(x) (((x) & 0xF) << 8)
-#define ULPIS2S_FORCE_ULPI_CLK_OUT (1 << 12)
-#define ULPIS2S_DISCON_DONT_CHECK_SE0 (1 << 13)
-#define ULPIS2S_SUPPORT_HS_KEEP_ALIVE (1 << 14)
-#define ULPIS2S_DISABLE_STP_PU (1 << 15)
-#define ULPIS2S_SLV0_CLAMP_XMIT (1 << 16)
-
-
-#define ULPI_TIMING_CTRL_0 0x424
-#define ULPI_CLOCK_OUT_DELAY(x) ((x) & 0x1F)
-#define ULPI_OUTPUT_PINMUX_BYP (1 << 10)
-#define ULPI_CLKOUT_PINMUX_BYP (1 << 11)
-#define ULPI_SHADOW_CLK_LOOPBACK_EN (1 << 12)
-#define ULPI_SHADOW_CLK_SEL (1 << 13)
-#define ULPI_CORE_CLK_SEL (1 << 14)
-#define ULPI_SHADOW_CLK_DELAY(x) (((x) & 0x1F) << 16)
-#define ULPI_LBK_PAD_EN (1 << 26)
-#define ULPI_LBK_PAD_E_INPUT_OR (1 << 27)
-#define ULPI_CLK_OUT_ENA (1 << 28)
-#define ULPI_CLK_PADOUT_ENA (1 << 29)
-
-#define ULPI_TIMING_CTRL_1 0x428
-#define ULPI_DATA_TRIMMER_LOAD (1 << 0)
-#define ULPI_DATA_TRIMMER_SEL(x) (((x) & 0x7) << 1)
-#define ULPI_STPDIRNXT_TRIMMER_LOAD (1 << 16)
-#define ULPI_STPDIRNXT_TRIMMER_SEL(x) (((x) & 0x7) << 17)
-#define ULPI_DIR_TRIMMER_LOAD (1 << 24)
-#define ULPI_DIR_TRIMMER_SEL(x) (((x) & 0x7) << 25)
-
-#define UTMIP_SPARE_CFG0 0x834
-#define FUSE_SETUP_SEL (1 << 3)
-#define FUSE_ATERM_SEL (1 << 4)
-
-#define FUSE_USB_CALIB_0 0x1F0
-#define FUSE_USB_CALIB_XCVR_SETUP(x) (((x) & 0x7F) << 0)
-
-#define UHSIC_PLL_CFG0 0x800
-
-#define UHSIC_CMD_CFG0 0x824
-#define UHSIC_PRETEND_CONNECT_DETECT (1 << 5)
-
-#define UHSIC_SPARE_CFG0 0x82c
-
-/* These values (in milli second) are taken from the battery charging spec */
-#define TDP_SRC_ON_MS 100
-#define TDPSRC_CON_MS 40
-
-#define CONNECT_DETECT_TIMEOUT 25000
+#define ERR(stuff...) pr_err("usb_phy: " stuff)
+#define WARNING(stuff...) pr_warning("usb_phy: " stuff)
+#define INFO(stuff...) pr_info("usb_phy: " stuff)
#define AHB_MEM_PREFETCH_CFG3 0xe0
#define AHB_MEM_PREFETCH_CFG4 0xe4
@@ -609,2587 +43,599 @@ static u32 utmip_rctrl_val, utmip_tctrl_val;
#define AHB_MEM_PREFETCH_CFG2 0xf0
#define PREFETCH_ENB (1 << 31)
-static DEFINE_SPINLOCK(utmip_pad_lock);
-static int utmip_pad_count;
-
-struct tegra_xtal_freq {
- int freq;
- u8 enable_delay;
- u8 stable_count;
- u8 active_delay;
- u16 xtal_freq_count;
- u16 debounce;
- u8 pdtrk_count;
-};
-
-static const struct tegra_xtal_freq tegra_freq_table[] = {
- {
- .freq = 12000000,
- .enable_delay = 0x02,
- .stable_count = 0x2F,
- .active_delay = 0x04,
- .xtal_freq_count = 0x76,
- .debounce = 0x7530,
- .pdtrk_count = 5,
- },
- {
- .freq = 13000000,
- .enable_delay = 0x02,
- .stable_count = 0x33,
- .active_delay = 0x05,
- .xtal_freq_count = 0x7F,
- .debounce = 0x7EF4,
- .pdtrk_count = 5,
- },
- {
- .freq = 19200000,
- .enable_delay = 0x03,
- .stable_count = 0x4B,
- .active_delay = 0x06,
- .xtal_freq_count = 0xBB,
- .debounce = 0xBB80,
- .pdtrk_count = 7,
- },
- {
- .freq = 26000000,
- .enable_delay = 0x04,
- .stable_count = 0x66,
- .active_delay = 0x09,
- .xtal_freq_count = 0xFE,
- .debounce = 0xFDE8,
- .pdtrk_count = 9,
- },
-};
-
-static const struct tegra_xtal_freq tegra_uhsic_freq_table[] = {
- {
- .freq = 12000000,
- .enable_delay = 0x02,
- .stable_count = 0x2F,
- .active_delay = 0x0,
- .xtal_freq_count = 0x1CA,
- },
- {
- .freq = 13000000,
- .enable_delay = 0x02,
- .stable_count = 0x33,
- .active_delay = 0x0,
- .xtal_freq_count = 0x1F0,
- },
- {
- .freq = 19200000,
- .enable_delay = 0x03,
- .stable_count = 0x4B,
- .active_delay = 0x0,
- .xtal_freq_count = 0x2DD,
- },
- {
- .freq = 26000000,
- .enable_delay = 0x04,
- .stable_count = 0x66,
- .active_delay = 0x0,
- .xtal_freq_count = 0x3E0,
- },
-};
-
-static struct tegra_utmip_config utmip_default[] = {
- [0] = {
- .hssync_start_delay = 9,
- .idle_wait_delay = 17,
- .elastic_limit = 16,
- .term_range_adj = 6,
- .xcvr_setup = 9,
- .xcvr_setup_offset = 0,
- .xcvr_use_fuses = 1,
- .xcvr_lsfslew = 2,
- .xcvr_lsrslew = 2,
- },
- [2] = {
- .hssync_start_delay = 9,
- .idle_wait_delay = 17,
- .elastic_limit = 16,
- .term_range_adj = 6,
- .xcvr_setup_offset = 0,
- .xcvr_use_fuses = 1,
- .xcvr_setup = 9,
- .xcvr_lsfslew = 2,
- .xcvr_lsrslew = 2,
- },
-};
-
-struct usb_phy_plat_data usb_phy_data[] = {
- { 0, 0, -1, NULL},
- { 0, 0, -1, NULL},
- { 0, 0, -1, NULL},
-};
-
-static int utmip_pad_open(struct tegra_usb_phy *phy)
+#ifdef DEBUG
+#define DBG(stuff...) pr_info("usb_phy: " stuff)
+#else
+#define DBG(stuff...) do {} while (0)
+#endif
+
+static void print_usb_plat_data_info(struct tegra_usb_phy *phy)
{
- phy->pad_clk = clk_get_sys("utmip-pad", NULL);
- if (IS_ERR(phy->pad_clk)) {
- pr_err("%s: can't get utmip pad clock\n", __func__);
- return PTR_ERR(phy->pad_clk);
- }
+ struct tegra_usb_platform_data *pdata = phy->pdata;
+ char op_mode[][50] = {
+ "TEGRA_USB_OPMODE_DEVICE",
+ "TEGRA_USB_OPMODE_HOST"
+ };
+ char phy_intf[][50] = {
+ "USB_PHY_INTF_UTMI",
+ "USB_PHY_INTF_ULPI_LINK",
+ "USB_PHY_INTF_ULPI_NULL",
+ "USB_PHY_INTF_HSIC",
+ "USB_PHY_INTF_ICUSB"
+ };
- if (phy->instance == 0) {
- phy->pad_regs = phy->regs;
+ pr_info("tegra USB phy - inst[%d] platform info:\n", phy->inst);
+ pr_info("port_otg: %s\n", pdata->port_otg ? "yes" : "no");
+ pr_info("has_hostpc: %s\n", pdata->has_hostpc ? "yes" : "no");
+ pr_info("phy_interface: %s\n", phy_intf[pdata->phy_intf]);
+ pr_info("op_mode: %s\n", op_mode[pdata->op_mode]);
+ if (pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ pr_info("vbus_pmu_irq: %d\n", pdata->u_data.dev.vbus_pmu_irq);
+ pr_info("vbus_gpio: %d\n", pdata->u_data.dev.vbus_gpio);
+ pr_info("charging: %s\n", pdata->u_data.dev.charging_supported ?
+ "enabled" : "disabled");
+ pr_info("remote_wakeup: %s\n", pdata->u_data.dev.remote_wakeup_supported
+ ? "enabled" : "disabled");
} else {
- phy->pad_regs = ioremap(TEGRA_USB_BASE, TEGRA_USB_SIZE);
- if (!phy->pad_regs) {
- pr_err("%s: can't remap usb registers\n", __func__);
- clk_put(phy->pad_clk);
- return -ENOMEM;
- }
+ pr_info("vbus_gpio: %d\n", pdata->u_data.host.vbus_gpio);
+ pr_info("vbus_reg: %s\n", pdata->u_data.host.vbus_reg ?
+ pdata->u_data.host.vbus_reg : "NULL");
+ pr_info("hot_plug: %s\n", pdata->u_data.host.hot_plug ?
+ "enabled" : "disabled");
+ pr_info("remote_wakeup: %s\n", pdata->u_data.host.remote_wakeup_supported
+ ? "enabled" : "disabled");
}
- return 0;
}
-static void utmip_pad_close(struct tegra_usb_phy *phy)
+static void usb_host_vbus_enable(struct tegra_usb_phy *phy, bool enable)
{
- if (phy->instance != 0)
- iounmap(phy->pad_regs);
- clk_put(phy->pad_clk);
-}
-
-static int utmip_pad_power_on(struct tegra_usb_phy *phy)
-{
- unsigned long val, flags;
- void __iomem *base = phy->pad_regs;
-
- clk_enable(phy->pad_clk);
-
- spin_lock_irqsave(&utmip_pad_lock, flags);
-
- utmip_pad_count++;
- val = readl(base + UTMIP_BIAS_CFG0);
- val &= ~(UTMIP_OTGPD | UTMIP_BIASPD);
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val |= UTMIP_HSSQUELCH_LEVEL(0x2) | UTMIP_HSDISCON_LEVEL(0x1) |
- UTMIP_HSDISCON_LEVEL_MSB;
-#endif
- writel(val, base + UTMIP_BIAS_CFG0);
-
- spin_unlock_irqrestore(&utmip_pad_lock, flags);
-
- clk_disable(phy->pad_clk);
-
- return 0;
-}
-
-static int utmip_pad_power_off(struct tegra_usb_phy *phy, bool is_dpd)
-{
- unsigned long val, flags;
- void __iomem *base = phy->pad_regs;
-
- if (!utmip_pad_count) {
- pr_err("%s: utmip pad already powered off\n", __func__);
- return -EINVAL;
- }
-
- clk_enable(phy->pad_clk);
-
- spin_lock_irqsave(&utmip_pad_lock, flags);
-
- if (--utmip_pad_count == 0 && is_dpd) {
- val = readl(base + UTMIP_BIAS_CFG0);
- val |= UTMIP_OTGPD | UTMIP_BIASPD;
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val &= ~(UTMIP_HSSQUELCH_LEVEL(~0) | UTMIP_HSDISCON_LEVEL(~0) |
- UTMIP_HSDISCON_LEVEL_MSB);
-#endif
- writel(val, base + UTMIP_BIAS_CFG0);
+ if (phy->vbus_reg) {
+ if (enable)
+ regulator_enable(phy->vbus_reg);
+ else
+ regulator_disable(phy->vbus_reg);
+ } else {
+ int gpio = phy->pdata->u_data.host.vbus_gpio;
+ if (gpio == -1)
+ return;
+ gpio_set_value_cansleep(gpio, enable ? 1 : 0);
}
-
- spin_unlock_irqrestore(&utmip_pad_lock, flags);
-
- clk_disable(phy->pad_clk);
-
- return 0;
}
-static int utmi_wait_register(void __iomem *reg, u32 mask, u32 result)
+int usb_phy_reg_status_wait(void __iomem *reg, u32 mask,
+ u32 result, u32 timeout)
{
- unsigned long timeout = 2500;
do {
if ((readl(reg) & mask) == result)
return 0;
udelay(1);
timeout--;
} while (timeout);
- return -1;
-}
-static int utmi_wait_register_timeout(void __iomem *reg, u32 mask, u32 result,
- unsigned long timeout)
-{
- do {
- if ((readl(reg) & mask) == result)
- return 0;
- udelay(1);
- timeout--;
- } while (timeout);
return -1;
}
-static void utmi_phy_clk_disable(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (phy->instance == 0) {
- val = readl(base + USB_SUSP_CTRL);
- val |= USB_SUSP_SET;
- writel(val, base + USB_SUSP_CTRL);
-
- udelay(10);
-
- val = readl(base + USB_SUSP_CTRL);
- val &= ~USB_SUSP_SET;
- writel(val, base + USB_SUSP_CTRL);
- }
-
- if (phy->instance == 2) {
- val = readl(base + USB_PORTSC1);
- val |= USB_PORTSC1_PHCD;
- writel(val, base + USB_PORTSC1);
- }
-#else
- val = readl(base + HOSTPC1_DEVLC);
- val |= HOSTPC1_DEVLC_PHCD;
- writel(val, base + HOSTPC1_DEVLC);
-#endif
- if (phy->hotplug) {
- val = readl(base + USB_SUSP_CTRL);
- val |= USB_PHY_CLK_VALID_INT_ENB;
- writel(val, base + USB_SUSP_CTRL);
- } else {
- val = readl(base + USB_SUSP_CTRL);
- val |= UTMIP_RESET;
- writel(val, base + USB_SUSP_CTRL);
- }
-
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, 0) < 0)
- pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
-}
-
-static void utmi_phy_clk_enable(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-
- if (phy->instance == 0) {
- val = readl(base + USB_SUSP_CTRL);
- val |= USB_SUSP_CLR;
- writel(val, base + USB_SUSP_CTRL);
-
- udelay(10);
-
- val = readl(base + USB_SUSP_CTRL);
- val &= ~USB_SUSP_CLR;
- writel(val, base + USB_SUSP_CTRL);
- }
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (phy->instance == 2) {
- val = readl(base + USB_PORTSC1);
- val &= ~USB_PORTSC1_PHCD;
- writel(val, base + USB_PORTSC1);
- }
-#endif
-
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
- USB_PHY_CLK_VALID) < 0)
- pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
-}
-
-static void vbus_enable(struct tegra_usb_phy *phy)
+int tegra_usb_phy_init_ops(struct tegra_usb_phy *phy)
{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- int gpio_status;
- int gpio = usb_phy_data[phy->instance].vbus_gpio;
-
- if (gpio == -1)
- return;
-
- gpio_status = gpio_request(gpio,"VBUS_USB");
- if (gpio_status < 0) {
- printk("VBUS_USB request GPIO FAILED\n");
- WARN_ON(1);
- return;
- }
- if (gpio < TEGRA_NR_GPIOS) tegra_gpio_enable(gpio);
- gpio_status = gpio_direction_output(gpio, 1);
- if (gpio_status < 0) {
- printk("VBUS_USB request GPIO DIRECTION FAILED \n");
- WARN_ON(1);
- return;
- }
- gpio_set_value_cansleep(gpio, 1);
-#else
- if (phy->reg_vbus)
- regulator_enable(phy->reg_vbus);
-#endif
-}
+ int err = 0;
-static void vbus_disable(struct tegra_usb_phy *phy)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- int gpio = usb_phy_data[phy->instance].vbus_gpio;
-
- if (gpio == -1)
- return;
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- gpio_set_value_cansleep(gpio, 0);
- gpio_free(gpio);
-#else
- if (phy->reg_vbus)
- regulator_disable(phy->reg_vbus);
-#endif
-}
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
-static void utmip_phy_enable_trking_data(struct tegra_usb_phy *phy)
-{
- void __iomem *base = phy->pad_regs;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- static bool init_done = false;
- u32 val;
-
- /* Should be done only once after system boot */
- if (init_done)
- return;
-
- clk_enable(phy->pad_clk);
- /* Bias pad MASTER_ENABLE=1 */
- val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
- val |= BIAS_MASTER_PROG_VAL;
- writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
-
- /* Setting the tracking length time */
- val = readl(base + UTMIP_BIAS_CFG1);
- val &= ~UTMIP_BIAS_PDTRK_COUNT(~0);
- val |= UTMIP_BIAS_PDTRK_COUNT(5);
- writel(val, base + UTMIP_BIAS_CFG1);
-
- /* Bias PDTRK is Shared and MUST be done from USB1 ONLY, PD_TRK=0 */
- val = readl(base + UTMIP_BIAS_CFG1);
- val &= ~ UTMIP_BIAS_PDTRK_POWERDOWN;
- writel(val, base + UTMIP_BIAS_CFG1);
-
- val = readl(base + UTMIP_BIAS_CFG1);
- val |= UTMIP_BIAS_PDTRK_POWERUP;
- writel(val, base + UTMIP_BIAS_CFG1);
-
- /* Wait for 25usec */
- udelay(25);
-
- /* Bias pad MASTER_ENABLE=0 */
- val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
- val &= ~BIAS_MASTER_PROG_VAL;
- writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
-
- /* Wait for 1usec */
- udelay(1);
-
- /* Bias pad MASTER_ENABLE=1 */
- val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
- val |= BIAS_MASTER_PROG_VAL;
- writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
-
- /* Read RCTRL and TCTRL from UTMIP space */
- val = readl(base + UTMIP_BIAS_STS0);
- utmip_rctrl_val = ffz(UTMIP_RCTRL_VAL(val));
- utmip_tctrl_val = ffz(UTMIP_TCTRL_VAL(val));
-
- /* PD_TRK=1 */
- val = readl(base + UTMIP_BIAS_CFG1);
- val |= UTMIP_BIAS_PDTRK_POWERDOWN;
- writel(val, base + UTMIP_BIAS_CFG1);
-
- /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
- val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
- val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
- writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
- clk_disable(phy->pad_clk);
- init_done = true;
-}
-
-static void utmip_powerdown_pmc_wake_detect(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- unsigned int inst = phy->instance;
-
- /* power down UTMIP interfaces */
- val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
- val |= UTMIP_PWR(inst);
- writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
-
- /* setup sleep walk usb controller */
- val = UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A | UTMIP_HIGHZ_A |
- UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_HIGHZ_B |
- UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_HIGHZ_C |
- UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_HIGHZ_D;
- writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
-
- /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
- val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
- val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
- writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
-
- /* Turn over pad configuration to PMC */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(inst, ~0);
- val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE) |
- UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
- UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst);
- writel(val, pmc_base + PMC_SLEEP_CFG);
-}
+ if (phy->pdata->has_hostpc)
+ err = tegra3_usb_phy_init_ops(phy);
+ else
+ err = tegra2_usb_phy_init_ops(phy);
-static void utmip_powerup_pmc_wake_detect(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- unsigned int inst = phy->instance;
-
- /* Disable PMC master mode by clearing MASTER_EN */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~(UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
- UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst));
- writel(val, pmc_base + PMC_SLEEP_CFG);
- mdelay(1);
+ return err;
}
-static void uhsic_powerdown_pmc_wake_detect(struct tegra_usb_phy *phy)
+static irqreturn_t usb_phy_dev_vbus_pmu_irq_thr(int irq, void *pdata)
{
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
- /* turn on pad detectors for HSIC*/
- val = readl(pmc_base + PMC_USB_AO);
- val |= (HSIC_RESERVED_P0 | HSIC_STOBE_VAL_PD_P0 | HSIC_DATA_VAL_PD_P0);
- writel(val, pmc_base + PMC_USB_AO);
-
- /* enable pull downs on HSIC PMC */
- val = UHSIC_STRB_RPD_A | UHSIC_DATA_RPD_A | UHSIC_STRB_RPD_B |
- UHSIC_DATA_RPD_B | UHSIC_STRB_RPD_C | UHSIC_DATA_RPD_C |
- UHSIC_STRB_RPD_D | UHSIC_DATA_RPD_D;
- writel(val, pmc_base + UHSIC_SLEEPWALK_REG);
-
- /* Turn over pad configuration to PMC */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UHSIC_WAKE_VAL_P0(~0);
- val |= UHSIC_WAKE_VAL_P0(WAKE_VAL_NONE) | UHSIC_MASTER_ENABLE_P0;
- writel(val, pmc_base + PMC_SLEEP_CFG);
-}
+ /* FIXME : Need to enable pmu vbus handling */
-static void uhsic_powerup_pmc_wake_detect(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
- /* turn on pad detectors for HSIC*/
- val = readl(pmc_base + PMC_USB_AO);
- val &= ~(HSIC_RESERVED_P0 | HSIC_STOBE_VAL_PD_P0 | HSIC_DATA_VAL_PD_P0);
- writel(val, pmc_base + PMC_USB_AO);
-
- /* Disable PMC master mode by clearing MASTER_EN */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~(UHSIC_MASTER_ENABLE_P0);
- writel(val, pmc_base + PMC_SLEEP_CFG);
- mdelay(1);
+ return IRQ_NONE;
}
-#endif
-static unsigned int tegra_phy_xcvr_setup_value(struct tegra_utmip_config *cfg)
+static void tegra_usb_phy_release_clocks(struct tegra_usb_phy *phy)
{
- signed long val;
-
- if (cfg->xcvr_use_fuses) {
- val = FUSE_USB_CALIB_XCVR_SETUP(
- tegra_fuse_readl(FUSE_USB_CALIB_0));
- if (cfg->xcvr_setup_offset <= UTMIP_XCVR_MAX_OFFSET)
- val = val + cfg->xcvr_setup_offset;
-
- if (val > UTMIP_XCVR_SETUP_MAX_VALUE) {
- val = UTMIP_XCVR_SETUP_MAX_VALUE;
- pr_info("%s: reset XCVR_SETUP to max value\n",
- __func__);
- } else if (val < UTMIP_XCVR_SETUP_MIN_VALUE) {
- val = UTMIP_XCVR_SETUP_MIN_VALUE;
- pr_info("%s: reset XCVR_SETUP to min value\n",
- __func__);
- }
- } else {
- val = cfg->xcvr_setup;
- }
-
- return (unsigned int)val;
+ clk_put(phy->emc_clk);
+ clk_put(phy->sys_clk);
+ clk_put(phy->ctrlr_clk);
+ clk_disable(phy->pllu_clk);
+ clk_put(phy->pllu_clk);
}
-static int utmi_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd)
+static int tegra_usb_phy_get_clocks(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
- unsigned int xcvr_setup_value;
- struct tegra_utmip_config *config = phy->config;
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UTMIP_RESET;
- writel(val, base + USB_SUSP_CTRL);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (phy->instance == 0) {
- val = readl(base + USB1_LEGACY_CTRL);
- val |= USB1_NO_LEGACY_MODE;
- writel(val, base + USB1_LEGACY_CTRL);
- }
-#endif
-
- val = readl(base + UTMIP_TX_CFG0);
- val |= UTMIP_FS_PREABMLE_J;
- writel(val, base + UTMIP_TX_CFG0);
-
- val = readl(base + UTMIP_HSRX_CFG0);
- val &= ~(UTMIP_IDLE_WAIT(~0) | UTMIP_ELASTIC_LIMIT(~0));
- val |= UTMIP_IDLE_WAIT(config->idle_wait_delay);
- val |= UTMIP_ELASTIC_LIMIT(config->elastic_limit);
- writel(val, base + UTMIP_HSRX_CFG0);
-
- val = readl(base + UTMIP_HSRX_CFG1);
- val &= ~UTMIP_HS_SYNC_START_DLY(~0);
- val |= UTMIP_HS_SYNC_START_DLY(config->hssync_start_delay);
- writel(val, base + UTMIP_HSRX_CFG1);
-
- val = readl(base + UTMIP_DEBOUNCE_CFG0);
- val &= ~UTMIP_BIAS_DEBOUNCE_A(~0);
- val |= UTMIP_BIAS_DEBOUNCE_A(phy->freq->debounce);
- writel(val, base + UTMIP_DEBOUNCE_CFG0);
-
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_SUSPEND_EXIT_ON_EDGE;
- writel(val, base + UTMIP_MISC_CFG0);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + UTMIP_MISC_CFG1);
- val &= ~(UTMIP_PLL_ACTIVE_DLY_COUNT(~0) | UTMIP_PLLU_STABLE_COUNT(~0));
- val |= UTMIP_PLL_ACTIVE_DLY_COUNT(phy->freq->active_delay) |
- UTMIP_PLLU_STABLE_COUNT(phy->freq->stable_count);
- writel(val, base + UTMIP_MISC_CFG1);
-
- val = readl(base + UTMIP_PLL_CFG1);
- val &= ~(UTMIP_XTAL_FREQ_COUNT(~0) | UTMIP_PLLU_ENABLE_DLY_COUNT(~0));
- val |= UTMIP_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count) |
- UTMIP_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
- writel(val, base + UTMIP_PLL_CFG1);
-#endif
+ int err = 0;
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
- val = readl(base + USB_SUSP_CTRL);
- val &= ~(USB_WAKE_ON_CNNT_EN_DEV | USB_WAKE_ON_DISCON_EN_DEV);
- writel(val, base + USB_SUSP_CTRL);
+ phy->pllu_clk = clk_get_sys(NULL, "pll_u");
+ if (IS_ERR(phy->pllu_clk)) {
+ ERR("inst:[%d] Can't get pllu_clk clock\n", phy->inst);
+ err = PTR_ERR(phy->pllu_clk);
+ goto fail_pll;
}
+ clk_enable(phy->pllu_clk);
- utmip_pad_power_on(phy);
-
- xcvr_setup_value = phy->xcvr_setup_value;
-
- val = readl(base + UTMIP_XCVR_CFG0);
- val &= ~(UTMIP_XCVR_LSBIAS_SEL | UTMIP_FORCE_PD_POWERDOWN |
- UTMIP_FORCE_PD2_POWERDOWN | UTMIP_FORCE_PDZI_POWERDOWN |
- UTMIP_XCVR_SETUP(~0) | UTMIP_XCVR_LSFSLEW(~0) |
- UTMIP_XCVR_LSRSLEW(~0) | UTMIP_XCVR_HSSLEW_MSB(~0));
- val |= UTMIP_XCVR_SETUP(xcvr_setup_value);
- val |= UTMIP_XCVR_SETUP_MSB(XCVR_SETUP_MSB_CALIB(xcvr_setup_value));
- val |= UTMIP_XCVR_LSFSLEW(config->xcvr_lsfslew);
- val |= UTMIP_XCVR_LSRSLEW(config->xcvr_lsrslew);
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val |= UTMIP_XCVR_HSSLEW_MSB(0x8);
-#endif
- writel(val, base + UTMIP_XCVR_CFG0);
-
- val = readl(base + UTMIP_XCVR_CFG1);
- val &= ~(UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
- UTMIP_FORCE_PDDR_POWERDOWN | UTMIP_XCVR_TERM_RANGE_ADJ(~0));
- val |= UTMIP_XCVR_TERM_RANGE_ADJ(config->term_range_adj);
- writel(val, base + UTMIP_XCVR_CFG1);
-
- val = readl(base + UTMIP_BAT_CHRG_CFG0);
- if (phy->mode == TEGRA_USB_PHY_MODE_HOST)
- val |= UTMIP_PD_CHRG;
- else
- val &= ~UTMIP_PD_CHRG;
- writel(val, base + UTMIP_BAT_CHRG_CFG0);
-
- val = readl(base + UTMIP_BIAS_CFG1);
- val &= ~UTMIP_BIAS_PDTRK_COUNT(~0);
- val |= UTMIP_BIAS_PDTRK_COUNT(phy->freq->pdtrk_count);
- writel(val, base + UTMIP_BIAS_CFG1);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + UTMIP_SPARE_CFG0);
- val &= ~FUSE_SETUP_SEL;
- writel(val, base + UTMIP_SPARE_CFG0);
-
- if (phy->instance == 2) {
- val = readl(base + UTMIP_SPARE_CFG0);
- val |= FUSE_SETUP_SEL;
- writel(val, base + UTMIP_SPARE_CFG0);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UTMIP_PHY_ENABLE;
- writel(val, base + USB_SUSP_CTRL);
+ phy->ctrlr_clk = clk_get(&phy->pdev->dev, NULL);
+ if (IS_ERR(phy->ctrlr_clk)) {
+ dev_err(&phy->pdev->dev, "Can't get controller clock\n");
+ err = PTR_ERR(phy->ctrlr_clk);
+ goto fail_ctrlr_clk;
}
-#else
- val = readl(base + UTMIP_SPARE_CFG0);
- val &= ~FUSE_SETUP_SEL;
- val |= FUSE_ATERM_SEL;
- writel(val, base + UTMIP_SPARE_CFG0);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UTMIP_PHY_ENABLE;
- writel(val, base + USB_SUSP_CTRL);
-#endif
-
- val = readl(base + USB_SUSP_CTRL);
- val &= ~UTMIP_RESET;
- writel(val, base + USB_SUSP_CTRL);
-
- if (phy->instance == 0) {
- val = readl(base + USB1_LEGACY_CTRL);
- val &= ~USB1_VBUS_SENSE_CTL_MASK;
- val |= USB1_VBUS_SENSE_CTL_A_SESS_VLD;
- writel(val, base + USB1_LEGACY_CTRL);
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + USB_SUSP_CTRL);
- val &= ~USB_SUSP_SET;
- writel(val, base + USB_SUSP_CTRL);
-#endif
- }
-
- utmi_phy_clk_enable(phy);
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (phy->instance == 2) {
- val = readl(base + USB_PORTSC1);
- val &= ~USB_PORTSC1_PTS(~0);
- writel(val, base + USB_PORTSC1);
- }
-#else
- if (phy->instance == 0)
- utmip_phy_enable_trking_data(phy);
-
- if(phy->instance == 2) {
- writel(0, base + ICUSB_CTRL);
+ phy->sys_clk = clk_get(&phy->pdev->dev, "sclk");
+ if (IS_ERR(phy->sys_clk)) {
+ dev_err(&phy->pdev->dev, "Can't get sclk clock\n");
+ err = PTR_ERR(phy->sys_clk);
+ goto fail_sclk;
}
+ clk_set_rate(phy->sys_clk, 80000000);
- if (phy->mode == TEGRA_USB_PHY_MODE_HOST) {
- val = readl(base + TEGRA_USB_USBMODE_REG_OFFSET);
- writel((val | TEGRA_USB_USBMODE_HOST),
- (base + TEGRA_USB_USBMODE_REG_OFFSET));
+ phy->emc_clk = clk_get(&phy->pdev->dev, "emc");
+ if (IS_ERR(phy->emc_clk)) {
+ dev_err(&phy->pdev->dev, "Can't get emc clock\n");
+ err = PTR_ERR(phy->emc_clk);
+ goto fail_emc;
}
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~HOSTPC1_DEVLC_PTS(~0);
- val |= HOSTPC1_DEVLC_STS;
- writel(val, base + HOSTPC1_DEVLC);
-
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE)
- utmip_powerup_pmc_wake_detect(phy);
-#endif
- return 0;
-}
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
-static void utmip_setup_pmc_wake_detect(struct tegra_usb_phy *phy)
-{
- unsigned long val, pmc_pad_cfg_val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- unsigned int inst = phy->instance;
- void __iomem *base = phy->regs;
- bool port_connected;
- enum tegra_usb_phy_port_speed port_speed;
-
- /* check for port connect status */
- val = readl(base + USB_PORTSC1);
- port_connected = val & USB_PORTSC1_CCS;
-
- if (!port_connected)
- return;
-
- port_speed = (readl(base + HOSTPC1_DEVLC) >> 25) &
- HOSTPC1_DEVLC_PSPD_MASK;
- /*Set PMC MASTER bits to do the following
- * a. Take over the UTMI drivers
- * b. set up such that it will take over resume
- * if remote wakeup is detected
- * Prepare PMC to take over suspend-wake detect-drive resume until USB
- * controller ready
- */
-
- /* disable master enable in PMC */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_MASTER_ENABLE(inst);
- writel(val, pmc_base + PMC_SLEEP_CFG);
-
- /* UTMIP_PWR_PX=1 for power savings mode */
- val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
- val |= UTMIP_PWR(inst);
- writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
-
- /* config debouncer */
- val = readl(pmc_base + PMC_USB_DEBOUNCE);
- val &= ~UTMIP_LINE_DEB_CNT(~0);
- val |= UTMIP_LINE_DEB_CNT(1);
- writel(val, pmc_base + PMC_USB_DEBOUNCE);
-
- /* Make sure nothing is happening on the line with respect to PMC */
- val = readl(pmc_base + PMC_UTMIP_UHSIC_FAKE);
- val &= ~USBOP_VAL(inst);
- val &= ~USBON_VAL(inst);
- writel(val, pmc_base + PMC_UTMIP_UHSIC_FAKE);
-
- /* Make sure wake value for line is none */
- val = readl(pmc_base + PMC_SLEEPWALK_CFG);
- val &= ~UTMIP_LINEVAL_WALK_EN(inst);
- writel(val, pmc_base + PMC_SLEEPWALK_CFG);
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(inst, ~0);
- val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
- writel(val, pmc_base + PMC_SLEEP_CFG);
-
- /* turn off pad detectors */
- val = readl(pmc_base + PMC_USB_AO);
- val |= (USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
- writel(val, pmc_base + PMC_USB_AO);
-
- /* Remove fake values and make synchronizers work a bit */
- val = readl(pmc_base + PMC_UTMIP_UHSIC_FAKE);
- val &= ~USBOP_VAL(inst);
- val &= ~USBON_VAL(inst);
- writel(val, pmc_base + PMC_UTMIP_UHSIC_FAKE);
-
- /* Enable which type of event can trigger a walk,
- in this case usb_line_wake */
- val = readl(pmc_base + PMC_SLEEPWALK_CFG);
- val |= UTMIP_LINEVAL_WALK_EN(inst);
- writel(val, pmc_base + PMC_SLEEPWALK_CFG);
-
- /* Enable which type of event can trigger a walk,
- * in this case usb_line_wake */
- val = readl(pmc_base + PMC_SLEEPWALK_CFG);
- val |= UTMIP_LINEVAL_WALK_EN(inst);
- writel(val, pmc_base + PMC_SLEEPWALK_CFG);
-
- /* Clear the walk pointers and wake alarm */
- val = readl(pmc_base + PMC_TRIGGERS);
- val |= UTMIP_CLR_WAKE_ALARM(inst) | UTMIP_CLR_WALK_PTR(inst);
- writel(val, pmc_base + PMC_TRIGGERS);
-
-
- /* Capture FS/LS pad configurations */
- pmc_pad_cfg_val = readl(pmc_base + PMC_PAD_CFG);
- val = readl(pmc_base + PMC_TRIGGERS);
- val |= UTMIP_CAP_CFG(inst);
- writel(val, pmc_base + PMC_TRIGGERS);
- udelay(1);
- pmc_pad_cfg_val = readl(pmc_base + PMC_PAD_CFG);
-
- /* BIAS MASTER_ENABLE=0 */
- val = readl(pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
- val &= ~BIAS_MASTER_PROG_VAL;
- writel(val, pmc_base + PMC_UTMIP_BIAS_MASTER_CNTRL);
-
- /* program walk sequence, maintain a J, followed by a driven K
- * to signal a resume once an wake event is detected */
- val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
- val &= ~UTMIP_AP_A;
- val |= UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A| UTMIP_AN_A | UTMIP_HIGHZ_A |
- UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_AP_B | UTMIP_AN_B |
- UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_AP_C | UTMIP_AN_C |
- UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_AP_D | UTMIP_AN_D;
- writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
-
- if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW) {
- val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
- val &= ~(UTMIP_AN_B | UTMIP_HIGHZ_B | UTMIP_AN_C |
- UTMIP_HIGHZ_C | UTMIP_AN_D | UTMIP_HIGHZ_D);
- writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
- } else {
- val = readl(pmc_base + PMC_SLEEPWALK_REG(inst));
- val &= ~(UTMIP_AP_B | UTMIP_HIGHZ_B | UTMIP_AP_C |
- UTMIP_HIGHZ_C | UTMIP_AP_D | UTMIP_HIGHZ_D);
- writel(val, pmc_base + PMC_SLEEPWALK_REG(inst));
- }
+ if(phy->pdata->has_hostpc)
+ clk_set_rate(phy->emc_clk, 100000000);
+ else
+ clk_set_rate(phy->emc_clk, 300000000);
- /* turn on pad detectors */
- val = readl(pmc_base + PMC_USB_AO);
- val &= ~(USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
- writel(val, pmc_base + PMC_USB_AO);
+ return err;
- /* Add small delay before usb detectors provide stable line values */
- mdelay(1);
+fail_emc:
+ clk_put(phy->sys_clk);
- /* Program thermally encoded RCTRL_VAL, TCTRL_VAL into PMC space */
- val = readl(pmc_base + PMC_UTMIP_TERM_PAD_CFG);
- val = PMC_TCTRL_VAL(utmip_tctrl_val) | PMC_RCTRL_VAL(utmip_rctrl_val);
- writel(val, pmc_base + PMC_UTMIP_TERM_PAD_CFG);
+fail_sclk:
+ clk_put(phy->ctrlr_clk);
- phy->remote_wakeup = false;
+fail_ctrlr_clk:
+ clk_disable(phy->pllu_clk);
+ clk_put(phy->pllu_clk);
- /* Turn over pad configuration to PMC for line wake events*/
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(inst, ~0);
- val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_ANY);
- val |= UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst);
- val |= UTMIP_MASTER_ENABLE(inst) | UTMIP_FSLS_USE_PMC(inst);
- writel(val, pmc_base + PMC_SLEEP_CFG);
+fail_pll:
- val = readl(base + UTMIP_PMC_WAKEUP0);
- val |= EVENT_INT_ENB;
- writel(val, base + UTMIP_PMC_WAKEUP0);
+ return err;
}
-#endif
-static int utmi_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd)
+struct tegra_usb_phy *tegra_usb_phy_open(struct platform_device *pdev)
{
- unsigned long val;
- void __iomem *base = phy->regs;
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- if (phy->mode == TEGRA_USB_PHY_MODE_HOST)
- utmip_setup_pmc_wake_detect(phy);
- else
- utmip_powerdown_pmc_wake_detect(phy);
-#endif
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
- val = readl(base + USB_SUSP_CTRL);
- val &= ~USB_WAKEUP_DEBOUNCE_COUNT(~0);
- val |= USB_WAKE_ON_CNNT_EN_DEV | USB_WAKEUP_DEBOUNCE_COUNT(5);
- writel(val, base + USB_SUSP_CTRL);
- }
+ struct tegra_usb_phy *phy;
+ struct tegra_usb_platform_data *pdata;
+ struct resource *res;
+ int err;
- if (phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
- val = readl(base + UTMIP_BAT_CHRG_CFG0);
- val |= UTMIP_PD_CHRG;
- writel(val, base + UTMIP_BAT_CHRG_CFG0);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, pdev->id);
+ pdata = dev_get_platdata(&pdev->dev);
+ if (!pdata) {
+ dev_err(&pdev->dev, "inst:[%d] Platform data missing\n",
+ pdev->id);
+ return ERR_PTR(-EINVAL);
}
- if (phy->instance != 2) {
- val = readl(base + UTMIP_XCVR_CFG0);
- val |= (UTMIP_FORCE_PD_POWERDOWN | UTMIP_FORCE_PD2_POWERDOWN |
- UTMIP_FORCE_PDZI_POWERDOWN);
- writel(val, base + UTMIP_XCVR_CFG0);
+ phy = kzalloc(sizeof(struct tegra_usb_phy), GFP_KERNEL);
+ if (!phy) {
+ ERR("inst:[%d] malloc usb phy failed\n", pdev->id);
+ return ERR_PTR(-ENOMEM);
}
- val = readl(base + UTMIP_XCVR_CFG1);
- val |= UTMIP_FORCE_PDDISC_POWERDOWN | UTMIP_FORCE_PDCHRP_POWERDOWN |
- UTMIP_FORCE_PDDR_POWERDOWN;
- writel(val, base + UTMIP_XCVR_CFG1);
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + UTMIP_BIAS_CFG1);
- val |= UTMIP_BIAS_PDTRK_COUNT(0x5);
- writel(val, base + UTMIP_BIAS_CFG1);
-#endif
- if (phy->hotplug) {
- val = readl(base + USB_PORTSC1);
- val |= USB_PORTSC1_WKCN;
- writel(val, base + USB_PORTSC1);
- }
- if (phy->instance != 0) {
- val = readl(base + UTMIP_BIAS_CFG0);
- val |= UTMIP_OTGPD;
- writel(val, base + UTMIP_BIAS_CFG0);
+ phy->pdata = kzalloc(sizeof(struct tegra_usb_platform_data), GFP_KERNEL);
+ if (!phy->pdata) {
+ ERR("inst:[%d] malloc usb phy pdata failed\n", pdev->id);
+ kfree(phy);
+ return ERR_PTR(-ENOMEM);
}
- utmi_phy_clk_disable(phy);
-
- utmip_pad_power_off(phy, true);
- return 0;
-}
+ memcpy(phy->pdata, pdata, sizeof(struct tegra_usb_platform_data));
+ phy->pdev = pdev;
+ phy->inst = pdev->id;
-static void utmip_phy_disable_pmc_bus_ctrl(struct tegra_usb_phy *phy)
-{
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- unsigned int inst = phy->instance;
- void __iomem *base = phy->regs;
-
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(inst, 0x0);
- val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
- writel(val, pmc_base + PMC_SLEEP_CFG);
-
- val = readl(pmc_base + PMC_TRIGGERS);
- val |= UTMIP_CLR_WAKE_ALARM(inst) | UTMIP_CLR_WALK_PTR(inst);
- writel(val, pmc_base + PMC_TRIGGERS);
-
- val = readl(base + UTMIP_PMC_WAKEUP0);
- val &= ~EVENT_INT_ENB;
- writel(val, base + UTMIP_PMC_WAKEUP0);
-
- /* Disable PMC master mode by clearing MASTER_EN */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~(UTMIP_RCTRL_USE_PMC(inst) | UTMIP_TCTRL_USE_PMC(inst) |
- UTMIP_FSLS_USE_PMC(inst) | UTMIP_MASTER_ENABLE(inst));
- writel(val, pmc_base + PMC_SLEEP_CFG);
-
- val = readl(pmc_base + PMC_TRIGGERS);
- val &= ~UTMIP_CAP_CFG(inst);
- writel(val, pmc_base + PMC_TRIGGERS);
-
- /* turn off pad detectors */
- val = readl(pmc_base + PMC_USB_AO);
- val |= (USBOP_VAL_PD(inst) | USBON_VAL_PD(inst));
- writel(val, pmc_base + PMC_USB_AO);
-
- phy->remote_wakeup = false;
-#endif
-}
+ print_usb_plat_data_info(phy);
-static void utmi_phy_enable_obs_bus(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-
- /* (2LS WAR)is not required for LS and FS devices and is only for HS */
- if (port_speed != TEGRA_USB_PHY_PORT_SPEED_HIGH) {
- /* do not enable the OBS bus */
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
- writel(val, base + UTMIP_MISC_CFG0);
- return;
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ ERR("inst:[%d] failed to get I/O memory\n", phy->inst);
+ err = -ENXIO;
+ goto fail_io;
}
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* Force DP/DM pulldown active for Host mode */
- val = readl(base + UTMIP_MISC_CFG0);
- val |= FORCE_PULLDN_DM | FORCE_PULLDN_DP |
- COMB_TERMS | ALWAYS_FREE_RUNNING_TERMS;
- writel(val, base + UTMIP_MISC_CFG0);
-#endif
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
- if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW)
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_J;
- else
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_K;
- writel(val, base + UTMIP_MISC_CFG0);
- udelay(1);
-
- val = readl(base + UTMIP_MISC_CFG0);
- val |= UTMIP_DPDM_OBSERVE;
- writel(val, base + UTMIP_MISC_CFG0);
- udelay(10);
-}
-static void utmi_phy_disable_obs_bus(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-
- /* check if OBS bus is already enabled */
- val = readl(base + UTMIP_MISC_CFG0);
- if (val & UTMIP_DPDM_OBSERVE) {
- /* Change the UTMIP OBS bus to drive SE0 */
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_SE0;
- writel(val, base + UTMIP_MISC_CFG0);
-
- /* Wait for 3us(2 LS bit times) */
- udelay (3);
-
- /* Release UTMIP OBS bus */
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE;
- writel(val, base + UTMIP_MISC_CFG0);
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* Release DP/DM pulldown for Host mode */
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~(FORCE_PULLDN_DM | FORCE_PULLDN_DP |
- COMB_TERMS | ALWAYS_FREE_RUNNING_TERMS);
- writel(val, base + UTMIP_MISC_CFG0);
-#endif
+ phy->regs = ioremap(res->start, resource_size(res));
+ if (!phy->regs) {
+ ERR("inst:[%d] Failed to remap I/O memory\n", phy->inst);
+ err = -ENOMEM;
+ goto fail_io;
}
-}
-
-static int utmi_phy_preresume(struct tegra_usb_phy *phy, bool remote_wakeup)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
- enum tegra_usb_phy_port_speed port_speed;
-
- val = readl(base + UTMIP_TX_CFG0);
- val |= UTMIP_HS_DISCON_DISABLE;
- writel(val, base + UTMIP_TX_CFG0);
-
- port_speed = (readl(base + USB_PORTSC1) >> 26) & 0x3;
- if (remote_wakeup && (port_speed == TEGRA_USB_PHY_PORT_SPEED_HIGH)) {
- val = readl(base + USB_USBCMD);
- val &= ~USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
- if (utmi_wait_register(base + USB_USBSTS,
- USB_USBSTS_HCH, USB_USBSTS_HCH) < 0) {
- pr_err("%s: timeout waiting for stopping controller\n", __func__);
- return -ETIMEDOUT;
- }
+ phy->vdd_reg = regulator_get(NULL, "avdd_usb");
+ if (IS_ERR_OR_NULL(phy->vdd_reg)) {
+ ERR("inst:[%d] couldn't get regulator avdd_usb: %ld\n",
+ phy->inst, PTR_ERR(phy->vdd_reg));
+ phy->vdd_reg = NULL;
}
- utmi_phy_enable_obs_bus(phy, port_speed);
-#else
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- unsigned int inst = phy->instance;
- void __iomem *base = phy->regs;
- enum tegra_usb_phy_port_speed port_speed;
-
- val = readl(pmc_base + PMC_SLEEP_CFG);
- if (val & UTMIP_MASTER_ENABLE(inst)) {
- if (!remote_wakeup)
- utmip_phy_disable_pmc_bus_ctrl(phy);
- } else {
- port_speed = (readl(base + HOSTPC1_DEVLC) >> 25) &
- HOSTPC1_DEVLC_PSPD_MASK;
- utmi_phy_enable_obs_bus(phy, port_speed);
+ err = tegra_usb_phy_get_clocks(phy);
+ if (err) {
+ ERR("inst:[%d] Failed to init clocks\n", phy->inst);
+ goto fail_clk;
}
-#endif
-
- return 0;
-}
-static int utmi_phy_postresume(struct tegra_usb_phy *phy, bool is_dpd)
-{
- unsigned long val;
-#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
- void __iomem *base = phy->regs;
-#else
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-#endif
- unsigned int inst = phy->instance;
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(pmc_base + PMC_SLEEP_CFG);
- /* if PMC is not disabled by now then disable it */
- if (val & UTMIP_MASTER_ENABLE(inst)) {
- utmip_phy_disable_pmc_bus_ctrl(phy);
- }
- utmi_phy_disable_obs_bus(phy);
-#else
- val = readl(base + USB_USBCMD);
- if (val & USB_USBCMD_RS) {
- val &= ~USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
- if (utmi_wait_register(base + USB_USBSTS,
- USB_USBSTS_HCH, USB_USBSTS_HCH) < 0) {
- pr_err("%s: timeout waiting for stopping controller\n", __func__);
- return -ETIMEDOUT;
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ if (phy->pdata->u_data.dev.vbus_pmu_irq) {
+ err = request_threaded_irq(
+ phy->pdata->u_data.dev.vbus_pmu_irq,
+ NULL, usb_phy_dev_vbus_pmu_irq_thr,
+ IRQF_SHARED, "usb_pmu_vbus_irq", phy);
+ if (err) {
+ ERR("inst:[%d] Failed to register IRQ\n",
+ phy->inst);
+ goto fail_init;
+ }
+ }
+ } else {
+ if (phy->pdata->u_data.host.vbus_reg) {
+ phy->vbus_reg = regulator_get(NULL,
+ phy->pdata->u_data.host.vbus_reg);
+ if (WARN_ON(IS_ERR_OR_NULL(phy->vbus_reg))) {
+ ERR("failed to get regulator vdd_vbus_usb: %ld,\
+ instance : %d\n", PTR_ERR(phy->vbus_reg),
+ phy->inst);
+ err = PTR_ERR(phy->vbus_reg);
+ goto fail_init;
+ }
+ } else {
+ int gpio = phy->pdata->u_data.host.vbus_gpio;
+ if (gpio != -1) {
+ if (gpio_request(gpio, "usb_host_vbus") < 0) {
+ ERR("inst:[%d] host vbus gpio \
+ req failed\n", phy->inst);
+ goto fail_init;
+ }
+ if (gpio < TEGRA_NR_GPIOS)
+ tegra_gpio_enable(gpio);
+ if (gpio_direction_output(gpio, 1) < 0) {
+ ERR("inst:[%d] host vbus gpio \
+ dir failed\n", phy->inst);
+ goto fail_init;
+ }
+ }
}
+ usb_host_vbus_enable(phy, true);
}
- writel(val, base + USB_USBCMD);
- utmi_phy_disable_obs_bus(phy);
- val = readl(base + USB_USBCMD);
- val |= USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
- val = readl(base + UTMIP_TX_CFG0);
- val &= ~UTMIP_HS_DISCON_DISABLE;
- writel(val, base + UTMIP_TX_CFG0);
-#endif
+ err = tegra_usb_phy_init_ops(phy);
+ if (err) {
+ ERR("inst:[%d] Failed to init ops\n", phy->inst);
+ goto fail_init;
+ }
- return 0;
-}
-
-static int uhsic_phy_postsuspend(struct tegra_usb_phy *phy, bool is_dpd)
-{
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
- if (uhsic_config->postsuspend)
- uhsic_config->postsuspend();
-
- return 0;
-}
-
-static int uhsic_phy_preresume(struct tegra_usb_phy *phy, bool remote_wakeup)
-{
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
- if (uhsic_config->preresume)
- uhsic_config->preresume();
-
- return 0;
-}
-
-static int usb_phy_set_tx_fill_tuning(struct tegra_usb_phy *phy, bool is_dpd)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
+ if (phy->pdata->ops && phy->pdata->ops->open)
+ phy->pdata->ops->open();
- val = readl(base + USB_TXFILLTUNING);
- if ((val & USB_FIFO_TXFILL_MASK) != USB_FIFO_TXFILL_THRES(0x10)) {
- val = USB_FIFO_TXFILL_THRES(0x10);
- writel(val, base + USB_TXFILLTUNING);
+ if (phy->ops && phy->ops->open) {
+ err = phy->ops->open(phy);
+ if (err) {
+ ERR("inst:[%d] Failed to open hw ops\n", phy->inst);
+ goto fail_init;
+ }
}
- return 0;
-}
+ if (phy->vdd_reg)
+ regulator_enable(phy->vdd_reg);
-static void utmi_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
+ return phy;
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE_SEL(~0);
- if (port_speed == TEGRA_USB_PHY_PORT_SPEED_LOW)
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_K;
- else
- val |= UTMIP_DPDM_OBSERVE_SEL_FS_J;
- writel(val, base + UTMIP_MISC_CFG0);
- udelay(1);
-
- val = readl(base + UTMIP_MISC_CFG0);
- val |= UTMIP_DPDM_OBSERVE;
- writel(val, base + UTMIP_MISC_CFG0);
- udelay(10);
-#else
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- int inst = phy->instance;
+fail_init:
+ tegra_usb_phy_release_clocks(phy);
- val = readl(pmc_base + UTMIP_UHSIC_STATUS);
- /* check whether we wake up from the remote resume */
- if (UTMIP_WALK_PTR_VAL(inst) & val) {
- phy->remote_wakeup = true;
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ if (phy->pdata->u_data.dev.vbus_pmu_irq)
+ free_irq(phy->pdata->u_data.dev.vbus_pmu_irq, phy);
} else {
- if (!((UTMIP_USBON_VAL(phy->instance) |
- UTMIP_USBOP_VAL(phy->instance)) & val)) {
- utmip_phy_disable_pmc_bus_ctrl(phy);
- }
- }
- utmi_phy_enable_obs_bus(phy, port_speed);
-#endif
-}
-
-static void utmi_phy_restore_end(struct tegra_usb_phy *phy)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
-
- val = readl(base + UTMIP_MISC_CFG0);
- val &= ~UTMIP_DPDM_OBSERVE;
- writel(val, base + UTMIP_MISC_CFG0);
- udelay(10);
-#else
- unsigned long val;
- void __iomem *base = phy->regs;
- int wait_time_us = 3000; /* FPR should be set by this time */
-
- /* check whether we wake up from the remote resume */
- if (phy->remote_wakeup) {
- /* wait until FPR bit is set automatically on remote resume */
- do {
- val = readl(base + USB_PORTSC1);
- udelay(1);
- if (wait_time_us == 0) {
- utmip_phy_disable_pmc_bus_ctrl(phy);
- tegra_usb_phy_postresume(phy, false);
- return;
+ usb_host_vbus_enable(phy, false);
+
+ if (phy->vbus_reg)
+ regulator_put(phy->vbus_reg);
+ else {
+ int gpio = phy->pdata->u_data.host.vbus_gpio;
+ if (gpio != -1) {
+ gpio_set_value_cansleep(gpio, 0);
+ gpio_free(gpio);
}
- wait_time_us--;
- } while (!(val & USB_PORTSC1_RESUME));
- /* wait for 25 ms to port resume complete */
- msleep(25);
- /* disable PMC master control */
- utmip_phy_disable_pmc_bus_ctrl(phy);
-
- /* Clear PCI and SRI bits to avoid an interrupt upon resume */
- val = readl(base + USB_USBSTS);
- writel(val, base + USB_USBSTS);
- /* wait to avoid SOF if there is any */
- if (utmi_wait_register(base + USB_USBSTS,
- USB_USBSTS_SRI, USB_USBSTS_SRI) < 0) {
- pr_err("%s: timeout waiting for SOF\n", __func__);
}
- tegra_usb_phy_postresume(phy, false);
}
-#endif
-}
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
-static void ulpi_set_tristate(bool enable)
-{
- int tristate = (enable)? TEGRA_TRI_TRISTATE : TEGRA_TRI_NORMAL;
-
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAA, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAB, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UDA, tristate);
-}
-#endif
-static void ulpi_phy_reset(void __iomem *base)
-{
- unsigned long val;
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UHSIC_RESET;
- writel(val, base + USB_SUSP_CTRL);
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + USB_SUSP_CTRL);
- val |= UTMIP_RESET;
- writel(val, base + USB_SUSP_CTRL);
-#endif
-}
-
-static void ulpi_set_host(void __iomem *base)
-{
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
-
- val = readl(base + TEGRA_USB_USBMODE_REG_OFFSET);
- val |= TEGRA_USB_USBMODE_HOST;
- writel(val, base + TEGRA_USB_USBMODE_REG_OFFSET);
-
- val = readl(base + HOSTPC1_DEVLC);
- val |= HOSTPC1_DEVLC_PTS(2);
- writel(val, base + HOSTPC1_DEVLC);
-#endif
-}
-
-static void ulpi_set_trimmer(void __iomem *base, u8 data, u8 sdn, u8 dir)
-{
- unsigned long val;
-
- val = ULPI_DATA_TRIMMER_SEL(data);
- val |= ULPI_STPDIRNXT_TRIMMER_SEL(sdn);
- val |= ULPI_DIR_TRIMMER_SEL(dir);
- writel(val, base + ULPI_TIMING_CTRL_1);
- udelay(10);
-
- val |= ULPI_DATA_TRIMMER_LOAD;
- val |= ULPI_STPDIRNXT_TRIMMER_LOAD;
- val |= ULPI_DIR_TRIMMER_LOAD;
- writel(val, base + ULPI_TIMING_CTRL_1);
-}
-
-static inline void ulpi_pinmux_bypass(struct tegra_usb_phy *phy, bool enable)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-
- val = readl(base + ULPI_TIMING_CTRL_0);
-
- if (enable)
- val |= ULPI_OUTPUT_PINMUX_BYP;
- else
- val &= ~ULPI_OUTPUT_PINMUX_BYP;
-
- writel(val, base + ULPI_TIMING_CTRL_0);
-}
-
-static void ulpi_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
-
- /*Tristate ulpi interface before USB controller resume*/
- ulpi_set_tristate(true);
+fail_clk:
+ regulator_put(phy->vdd_reg);
+ iounmap(phy->regs);
+fail_io:
+ kfree(phy);
- val = readl(base + ULPI_TIMING_CTRL_0);
- val &= ~ULPI_OUTPUT_PINMUX_BYP;
- writel(val, base + ULPI_TIMING_CTRL_0);
-#endif
+ return ERR_PTR(err);
}
-static void ulpi_phy_restore_end(struct tegra_usb_phy *phy)
-{
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
-
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_OUTPUT_PINMUX_BYP;
- writel(val, base + ULPI_TIMING_CTRL_0);
- ulpi_set_tristate(false);
-#endif
-}
-static int ulpi_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd)
+void tegra_usb_phy_close(struct tegra_usb_phy *phy)
{
- int ret;
- unsigned long val;
- void __iomem *base = phy->regs;
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- struct tegra_ulpi_config *config = phy->config;
-#endif
-
- if (phy->clk)
- clk_enable(phy->clk);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- msleep(1);
-
- if (!phy->initialized) {
- phy->initialized = 1;
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- gpio_direction_output(config->reset_gpio, 0);
- msleep(5);
- gpio_direction_output(config->reset_gpio, 1);
-#endif
+ if (phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
+ if (phy->pdata->u_data.dev.vbus_pmu_irq)
+ free_irq(phy->pdata->u_data.dev.vbus_pmu_irq, phy);
+ } else {
+ usb_host_vbus_enable(phy, false);
+
+ if (phy->vbus_reg)
+ regulator_put(phy->vbus_reg);
+ else {
+ int gpio = phy->pdata->u_data.host.vbus_gpio;
+ if (gpio != -1) {
+ gpio_set_value_cansleep(gpio, 0);
+ gpio_free(gpio);
+ }
+ }
}
- ulpi_phy_reset(base);
- ulpi_set_host(base);
-
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP;
- writel(val, base + ULPI_TIMING_CTRL_0);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= ULPI_PHY_ENABLE;
- writel(val, base + USB_SUSP_CTRL);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= USB_SUSP_CLR;
- writel(val, base + USB_SUSP_CTRL);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
- USB_PHY_CLK_VALID) < 0)
- pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
-
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_CLKEN, USB_CLKEN) < 0)
- pr_err("%s: timeout waiting for AHB clock\n", __func__);
-#else
- udelay(100);
-#endif
-
- val = readl(base + USB_SUSP_CTRL);
- val &= ~USB_SUSP_CLR;
- writel(val, base + USB_SUSP_CTRL);
-
- val = 0;
- writel(val, base + ULPI_TIMING_CTRL_1);
+ tegra_usb_phy_release_clocks(phy);
- ulpi_set_trimmer(base, 4, 4, 4);
-
- /* Fix VbusInvalid due to floating VBUS */
- ret = otg_io_write(phy->ulpi, 0x40, 0x08);
- if (ret) {
- pr_err("%s: ulpi write failed\n", __func__);
- return ret;
- }
-
- ret = otg_io_write(phy->ulpi, 0x80, 0x0B);
- if (ret) {
- pr_err("%s: ulpi write failed\n", __func__);
- return ret;
+ if (phy->vdd_reg) {
+ regulator_disable(phy->vdd_reg);
+ regulator_put(phy->vdd_reg);
}
- val = readl(base + USB_PORTSC1);
- val |= USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN;
- writel(val, base + USB_PORTSC1);
-
- return 0;
-}
-
-static int ulpi_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- int ret;
-
- /* Disable VbusValid, SessEnd comparators */
- ret = otg_io_write(phy->ulpi, 0x00, 0x0D);
- if (ret)
- pr_err("%s: ulpi write 0x0D failed\n", __func__);
-
- ret = otg_io_write(phy->ulpi, 0x00, 0x10);
- if (ret)
- pr_err("%s: ulpi write 0x10 failed\n", __func__);
-
- /* Disable IdFloat comparator */
- ret = otg_io_write(phy->ulpi, 0x00, 0x19);
- if (ret)
- pr_err("%s: ulpi write 0x19 failed\n", __func__);
-
- ret = otg_io_write(phy->ulpi, 0x00, 0x1D);
- if (ret)
- pr_err("%s: ulpi write 0x1D failed\n", __func__);
-
- /* Clear WKCN/WKDS/WKOC wake-on events that can cause the USB
- * Controller to immediately bring the ULPI PHY out of low power
- */
- val = readl(base + USB_PORTSC1);
- val &= ~(USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN);
- writel(val, base + USB_PORTSC1);
-
- /* Put the PHY in the low power mode */
- val = readl(base + USB_PORTSC1);
- val |= USB_PORTSC1_PHCD;
- writel(val, base + USB_PORTSC1);
-
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID, 0) < 0)
- pr_err("%s: timeout waiting for phy to stop\n", __func__);
-#else
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~(HOSTPC1_DEVLC_PHCD);
- writel(val, base + HOSTPC1_DEVLC);
-#endif
+ if (phy->ops && phy->ops->close)
+ phy->ops->close(phy);
- if(phy->clk)
- clk_disable(phy->clk);
+ if (phy->pdata->ops && phy->pdata->ops->close)
+ phy->pdata->ops->close();
- return 0;
+ kfree(phy->pdata);
+ kfree(phy);
}
-static inline void null_phy_set_tristate(bool enable)
+irqreturn_t tegra_usb_phy_irq(struct tegra_usb_phy *phy)
{
- int tristate = (enable) ? TEGRA_TRI_TRISTATE : TEGRA_TRI_NORMAL;
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UDA, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAA, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_UAB, tristate);
-#else
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA0, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA1, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA2, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA3, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA4, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA5, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA6, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DATA7, tristate);
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_NXT, tristate);
-
- if (enable)
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DIR, tristate);
-#endif
-}
+ irqreturn_t status = IRQ_HANDLED;
-static void null_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
-{
- struct tegra_ulpi_config *config = phy->config;
+ if (phy->ops && phy->ops->irq)
+ status = phy->ops->irq(phy);
- if (config->phy_restore_start)
- config->phy_restore_start();
+ return status;
}
-
-static void null_phy_restore_end(struct tegra_usb_phy *phy)
+int tegra_usb_phy_init(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_ulpi_config *config = phy->config;
+ int status = 0;
- /* disable ULPI pinmux bypass */
- ulpi_pinmux_bypass(phy, false);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- /* driving linestate using GPIO */
- gpio_set_value(config->ulpi_d0_gpio, 0);
- gpio_set_value(config->ulpi_d1_gpio, 0);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- /* driving DIR high */
- gpio_set_value(config->ulpi_dir_gpio, 1);
-#endif
+ if (phy->pdata->ops && phy->pdata->ops->init)
+ phy->pdata->ops->init();
- /* remove ULPI tristate */
- null_phy_set_tristate(false);
-
- if (config->phy_restore_end)
- config->phy_restore_end();
-
- if (gpio_is_valid(config->phy_restore_gpio)) {
- int phy_restore_gpio = config->phy_restore_gpio;
- int retry = 20000;
-
- while (retry) {
- /* poll phy_restore_gpio high */
- if (gpio_get_value(phy_restore_gpio))
- break;
- retry--;
- }
+ if (phy->ops && phy->ops->init)
+ status = phy->ops->init(phy);
- if (retry == 0)
- pr_info("phy_restore_gpio timeout\n");
- }
-
- /* enable ULPI CLK output pad */
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_CLK_PADOUT_ENA;
- writel(val, base + ULPI_TIMING_CTRL_0);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- udelay(5); /* wait for CLK stabilize */
-
- /* enable ULPI pinmux bypass */
- ulpi_pinmux_bypass(phy, true);
-#else
- /* enable ULPI pinmux bypass */
- ulpi_pinmux_bypass(phy, true);
- udelay(5);
-
- /* remove DIR tristate */
- tegra_pinmux_set_tristate(TEGRA_PINGROUP_ULPI_DIR, TEGRA_TRI_NORMAL);
-#endif
+ return status;
}
-static int null_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd)
+int tegra_usb_phy_power_off(struct tegra_usb_phy *phy)
{
- const struct tegra_ulpi_trimmer default_trimmer = {0, 0, 4, 4};
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_ulpi_config *config = phy->config;
- static bool cold_boot = true;
-
- if (!config->trimmer)
- config->trimmer = &default_trimmer;
-
- ulpi_phy_reset(base);
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* remove ULPI PADS CLKEN reset */
- val = readl(base + USB_SUSP_CTRL);
- val &= ~ULPI_PADS_CLKEN_RESET;
- writel(val, base + USB_SUSP_CTRL);
- udelay(10);
-#endif
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_OUTPUT_PINMUX_BYP | ULPI_CLKOUT_PINMUX_BYP;
- writel(val, base + ULPI_TIMING_CTRL_0);
-
- if (config->pre_phy_on && config->pre_phy_on())
- return -EAGAIN;
-
- val = readl(base + USB_SUSP_CTRL);
- val |= ULPI_PHY_ENABLE;
- writel(val, base + USB_SUSP_CTRL);
- udelay(10);
-
- /* set timming parameters */
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_SHADOW_CLK_LOOPBACK_EN;
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val &= ~ULPI_SHADOW_CLK_SEL;
- val &= ~ULPI_LBK_PAD_EN;
-#else
- val |= ULPI_SHADOW_CLK_SEL;
- val |= ULPI_LBK_PAD_EN;
-#endif
- val |= ULPI_SHADOW_CLK_DELAY(config->trimmer->shadow_clk_delay);
- val |= ULPI_CLOCK_OUT_DELAY(config->trimmer->clock_out_delay);
- val |= ULPI_LBK_PAD_E_INPUT_OR;
- writel(val, base + ULPI_TIMING_CTRL_0);
-
- writel(0, base + ULPI_TIMING_CTRL_1);
- udelay(10);
-
- /* start internal 60MHz clock */
- val = readl(base + ULPIS2S_CTRL);
- val |= ULPIS2S_ENA;
- val |= ULPIS2S_SUPPORT_DISCONNECT;
- val |= ULPIS2S_SPARE((phy->mode == TEGRA_USB_PHY_MODE_HOST) ? 3 : 1);
- val |= ULPIS2S_PLLU_MASTER_BLASTER60;
- writel(val, base + ULPIS2S_CTRL);
-
- /* select ULPI_CORE_CLK_SEL to SHADOW_CLK */
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_CORE_CLK_SEL;
- writel(val, base + ULPI_TIMING_CTRL_0);
- udelay(10);
-
- /* enable ULPI null phy clock - can't set the trimmers before this */
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_CLK_OUT_ENA;
- writel(val, base + ULPI_TIMING_CTRL_0);
- udelay(10);
-
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
- USB_PHY_CLK_VALID)) {
- pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
- return -ETIMEDOUT;
- }
+ int err = 0;
- /* set ULPI trimmers */
- ulpi_set_trimmer(base, config->trimmer->data_trimmer,
- config->trimmer->stpdirnxt_trimmer, 1);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- ulpi_set_host(base);
+ if (!phy->phy_power_on)
+ return err;
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* remove slave0 reset */
- val = readl(base + USB_SUSP_CTRL);
- val &= ~ULPIS2S_SLV0_RESET;
- writel(val, base + USB_SUSP_CTRL);
-
- /* remove slave1 and line reset */
- val = readl(base + USB_SUSP_CTRL);
- val &= ~ULPIS2S_SLV1_RESET;
- val &= ~ULPIS2S_LINE_RESET;
-
- /* remove ULPI PADS reset */
- val &= ~ULPI_PADS_RESET;
- writel(val, base + USB_SUSP_CTRL);
-#endif
- if (cold_boot) {
- val = readl(base + ULPI_TIMING_CTRL_0);
- val |= ULPI_CLK_PADOUT_ENA;
- writel(val, base + ULPI_TIMING_CTRL_0);
- cold_boot = false;
+ if (phy->ops && phy->ops->power_off) {
+ if (phy->pdata->ops && phy->pdata->ops->pre_phy_off)
+ phy->pdata->ops->pre_phy_off();
+ err = phy->ops->power_off(phy);
+ if (phy->pdata->ops && phy->pdata->ops->post_phy_off)
+ phy->pdata->ops->post_phy_off();
}
- udelay(10);
-
- if (config->post_phy_on && config->post_phy_on())
- return -EAGAIN;
-
- return 0;
-}
-
-static int null_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd)
-{
- struct tegra_ulpi_config *config = phy->config;
-
- if (config->pre_phy_off && config->pre_phy_off())
- return -EAGAIN;
-
- null_phy_set_tristate(true);
+ clk_disable(phy->emc_clk);
+ clk_disable(phy->sys_clk);
+ clk_disable(phy->ctrlr_clk);
- if (config->post_phy_off && config->post_phy_off())
- return -EAGAIN;
+ phy->phy_power_on = false;
- return 0;
-}
-
-static int null_phy_pre_usbcmd_reset(struct tegra_usb_phy *phy, bool is_dpd)
-{
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
-
- val = readl(base + ULPIS2S_CTRL);
- val |= ULPIS2S_SLV0_CLAMP_XMIT;
- writel(val, base + ULPIS2S_CTRL);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= ULPIS2S_SLV0_RESET;
- writel(val, base + USB_SUSP_CTRL);
- udelay(10);
-#endif
- return 0;
-}
-
-static int null_phy_post_usbcmd_reset(struct tegra_usb_phy *phy, bool is_dpd)
-{
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- unsigned long val;
- void __iomem *base = phy->regs;
-
- ulpi_set_host(base);
-
- /* remove slave0 reset */
- val = readl(base + USB_SUSP_CTRL);
- val &= ~ULPIS2S_SLV0_RESET;
- writel(val, base + USB_SUSP_CTRL);
-
- val = readl(base + ULPIS2S_CTRL);
- val &= ~ULPIS2S_SLV0_CLAMP_XMIT;
- writel(val, base + ULPIS2S_CTRL);
- udelay(10);
-#endif
- return 0;
+ return err;
}
-static int uhsic_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd)
+int tegra_usb_phy_power_on(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- uhsic_powerup_pmc_wake_detect(phy);
-#endif
-
- if (uhsic_config->enable_gpio != -1) {
- gpio_set_value_cansleep(uhsic_config->enable_gpio, 1);
- /* keep hsic reset asserted for 1 ms */
- udelay(1000);
- }
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~(UHSIC_PD_BG | UHSIC_PD_TX | UHSIC_PD_TRK | UHSIC_PD_RX |
- UHSIC_PD_ZI | UHSIC_RPD_DATA | UHSIC_RPD_STROBE);
- val |= UHSIC_RX_SEL;
- writel(val, base + UHSIC_PADS_CFG1);
- udelay(2);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UHSIC_RESET;
- writel(val, base + USB_SUSP_CTRL);
- udelay(30);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UHSIC_PHY_ENABLE;
- writel(val, base + USB_SUSP_CTRL);
-
- val = readl(base + UHSIC_HSRX_CFG0);
- val |= UHSIC_IDLE_WAIT(uhsic_config->idle_wait_delay);
- val |= UHSIC_ELASTIC_UNDERRUN_LIMIT(uhsic_config->elastic_underrun_limit);
- val |= UHSIC_ELASTIC_OVERRUN_LIMIT(uhsic_config->elastic_overrun_limit);
- writel(val, base + UHSIC_HSRX_CFG0);
-
- val = readl(base + UHSIC_HSRX_CFG1);
- val |= UHSIC_HS_SYNC_START_DLY(uhsic_config->sync_start_delay);
- writel(val, base + UHSIC_HSRX_CFG1);
-
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
- /* WAR HSIC TX */
- val = readl(base + UHSIC_TX_CFG0);
- val &= ~UHSIC_HS_READY_WAIT_FOR_VALID;
- writel(val, base + UHSIC_TX_CFG0);
-#endif
-
- val = readl(base + UHSIC_MISC_CFG0);
- val |= UHSIC_SUSPEND_EXIT_ON_EDGE;
-#ifdef CONFIG_ARCH_TEGRA_3x_SOC
- /* Disable generic bus reset, to allow AP30 specific bus reset*/
- val |= UHSIC_DISABLE_BUSRESET;
-#endif
- writel(val, base + UHSIC_MISC_CFG0);
-
- val = readl(base + UHSIC_MISC_CFG1);
- val |= UHSIC_PLLU_STABLE_COUNT(phy->freq->stable_count);
- writel(val, base + UHSIC_MISC_CFG1);
-
- val = readl(base + UHSIC_PLL_CFG1);
- val |= UHSIC_PLLU_ENABLE_DLY_COUNT(phy->freq->enable_delay);
- val |= UHSIC_XTAL_FREQ_COUNT(phy->freq->xtal_freq_count);
- writel(val, base + UHSIC_PLL_CFG1);
-
- val = readl(base + USB_SUSP_CTRL);
- val &= ~(UHSIC_RESET);
- writel(val, base + USB_SUSP_CTRL);
- udelay(2);
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + USB_PORTSC1);
- val &= ~USB_PORTSC1_PTS(~0);
- writel(val, base + USB_PORTSC1);
-
-#endif
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + TEGRA_USB_USBMODE_REG_OFFSET);
- val |= TEGRA_USB_USBMODE_HOST;
- writel(val, base + TEGRA_USB_USBMODE_REG_OFFSET);
-
- /* Change the USB controller PHY type to HSIC */
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
- val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
- val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
- val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
- writel(val, base + HOSTPC1_DEVLC);
-#endif
- usb_phy_set_tx_fill_tuning(phy, is_dpd);
+ int status = 0;
- val = readl(base + USB_PORTSC1);
- val &= ~(USB_PORTSC1_WKOC | USB_PORTSC1_WKDS | USB_PORTSC1_WKCN);
- writel(val, base + USB_PORTSC1);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- val = readl(base + UHSIC_PADS_CFG0);
- val &= ~(UHSIC_TX_RTUNEN);
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- /* set Rtune impedance to 40 ohm */
- val |= UHSIC_TX_RTUNE(0);
-#else
- /* set Rtune impedance to 50 ohm */
- val |= UHSIC_TX_RTUNE(8);
-#endif
- writel(val, base + UHSIC_PADS_CFG0);
+ if (phy->phy_power_on)
+ return status;
- if (utmi_wait_register(base + USB_SUSP_CTRL, USB_PHY_CLK_VALID,
- USB_PHY_CLK_VALID)) {
- pr_err("%s: timeout waiting for phy to stabilize\n", __func__);
- return -ETIMEDOUT;
- }
-
- return 0;
-}
+ clk_enable(phy->ctrlr_clk);
+ clk_enable(phy->sys_clk);
+ clk_enable(phy->emc_clk);
-static int uhsic_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPU_STROBE;
- val |= UHSIC_RPD_STROBE;
- writel(val, base + UHSIC_PADS_CFG1);
-
- val = readl(base + USB_SUSP_CTRL);
- val |= UHSIC_RESET;
- writel(val, base + USB_SUSP_CTRL);
- udelay(30);
-
- if (uhsic_config->enable_gpio != -1) {
- gpio_set_value_cansleep(uhsic_config->enable_gpio, 0);
- /* keep hsic reset de-asserted for 1 ms */
- udelay(1000);
+ if (phy->ops && phy->ops->power_on) {
+ if (phy->pdata->ops && phy->pdata->ops->pre_phy_on)
+ phy->pdata->ops->pre_phy_on();
+ status = phy->ops->power_on(phy);
+ if (phy->pdata->ops && phy->pdata->ops->post_phy_on)
+ phy->pdata->ops->post_phy_on();
}
- if (uhsic_config->post_phy_off && uhsic_config->post_phy_off())
- return -EAGAIN;
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- uhsic_powerdown_pmc_wake_detect(phy);
-#endif
+ phy->phy_power_on = true;
- return 0;
+ return status;
}
-#ifdef CONFIG_USB_TEGRA_OTG
-extern void tegra_otg_check_vbus_detection(void);
-#endif
-
-static irqreturn_t usb_phy_vbus_irq_thr(int irq, void *pdata)
+int tegra_usb_phy_reset(struct tegra_usb_phy *phy)
{
- struct tegra_usb_phy *phy = pdata;
-
- if (phy->reg_vdd && !phy->regulator_on) {
- regulator_enable(phy->reg_vdd);
- phy->regulator_on = 1;
- /*
- * Optimal time to get the regulator turned on
- * before detecting vbus interrupt.
- */
- mdelay(15);
- }
+ int status = 0;
-#ifdef CONFIG_USB_TEGRA_OTG
- tegra_otg_check_vbus_detection();
-#endif
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->ops && phy->ops->reset)
+ status = phy->ops->reset(phy);
- return IRQ_HANDLED;
+ return status;
}
-
-struct tegra_usb_phy *tegra_usb_phy_open(int instance, void __iomem *regs,
- void *config, enum tegra_usb_phy_mode phy_mode,
- enum tegra_usb_phy_type usb_phy_type)
+int tegra_usb_phy_pre_suspend(struct tegra_usb_phy *phy)
{
- struct tegra_usb_phy *phy;
- struct tegra_ulpi_config *ulpi_config;
- unsigned long parent_rate;
- int i;
- int err;
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- struct tegra_uhsic_config *uhsic_config;
- int reset_gpio, enable_gpio;
-#endif
+ int status = 0;
- phy = kzalloc(sizeof(struct tegra_usb_phy), GFP_KERNEL);
- if (!phy)
- return ERR_PTR(-ENOMEM);
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- phy->instance = instance;
- phy->regs = regs;
- phy->config = config;
- phy->mode = phy_mode;
- phy->usb_phy_type = usb_phy_type;
- phy->initialized = 0;
- phy->regulator_on = 0;
- phy->power_on = 0;
- phy->remote_wakeup = false;
- phy->hotplug = 0;
- phy->xcvr_setup_value = 0;
-
- if (!phy->config) {
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_LINK_ULPI ||
- phy->usb_phy_type == TEGRA_USB_PHY_TYPE_NULL_ULPI) {
- pr_err("%s: ulpi phy configuration missing", __func__);
- err = -EINVAL;
- goto err0;
- } else {
- phy->config = &utmip_default[instance];
- }
- }
+ if (phy->pdata->ops && phy->pdata->ops->pre_suspend)
+ phy->pdata->ops->pre_suspend();
- phy->pll_u = clk_get_sys(NULL, "pll_u");
- if (IS_ERR(phy->pll_u)) {
- pr_err("Can't get pll_u clock\n");
- err = PTR_ERR(phy->pll_u);
- goto err0;
- }
- clk_enable(phy->pll_u);
-
- parent_rate = clk_get_rate(clk_get_parent(phy->pll_u));
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
- for (i = 0; i < ARRAY_SIZE(tegra_uhsic_freq_table); i++) {
- if (tegra_uhsic_freq_table[i].freq == parent_rate) {
- phy->freq = &tegra_uhsic_freq_table[i];
- break;
- }
- }
- } else {
- for (i = 0; i < ARRAY_SIZE(tegra_freq_table); i++) {
- if (tegra_freq_table[i].freq == parent_rate) {
- phy->freq = &tegra_freq_table[i];
- break;
- }
- }
- }
- if (!phy->freq) {
- pr_err("invalid pll_u parent rate %ld\n", parent_rate);
- err = -EINVAL;
- goto err1;
- }
+ if (phy->ops && phy->ops->pre_suspend)
+ status = phy->ops->pre_suspend(phy);
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) {
- err = utmip_pad_open(phy);
- phy->xcvr_setup_value = tegra_phy_xcvr_setup_value(phy->config);
- if (err < 0)
- goto err1;
- } else if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_LINK_ULPI) {
- ulpi_config = config;
-
- if (ulpi_config->clk) {
- phy->clk = clk_get_sys(NULL, ulpi_config->clk);
- if (IS_ERR(phy->clk)) {
- pr_err("%s: can't get ulpi clock\n", __func__);
- err = -ENXIO;
- goto err1;
- }
- } else {
- /* Some USB ULPI chips are not driven by Tegra clocks or PLL */
- phy->clk = NULL;
- }
- tegra_gpio_enable(ulpi_config->reset_gpio);
- gpio_request(ulpi_config->reset_gpio, "ulpi_phy_reset_b");
- gpio_direction_output(ulpi_config->reset_gpio, 0);
- phy->ulpi = otg_ulpi_create(&ulpi_viewport_access_ops, 0);
- phy->ulpi->io_priv = regs + ULPI_VIEWPORT;
- }
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- else if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
- uhsic_config = config;
- enable_gpio = gpio_request(uhsic_config->enable_gpio,
- "uhsic_enable");
- reset_gpio = gpio_request(uhsic_config->reset_gpio,
- "uhsic_reset");
- /* hsic enable signal deasserted, hsic reset asserted */
- if (!enable_gpio)
- gpio_direction_output(uhsic_config->enable_gpio,
- 0 /* deasserted */);
- if (!reset_gpio)
- gpio_direction_output(uhsic_config->reset_gpio,
- 0 /* asserted */);
- if (!enable_gpio)
- tegra_gpio_enable(uhsic_config->enable_gpio);
- if (!reset_gpio)
- tegra_gpio_enable(uhsic_config->reset_gpio);
- /* keep hsic reset asserted for 1 ms */
- udelay(1000);
- /* enable (power on) hsic */
- if (!enable_gpio)
- gpio_set_value_cansleep(uhsic_config->enable_gpio, 1);
- udelay(1000);
- /* deassert reset */
- if (!reset_gpio)
- gpio_set_value_cansleep(uhsic_config->reset_gpio, 1);
- }
-#endif
-
- phy->reg_vdd = regulator_get(NULL, "avdd_usb");
- if (IS_ERR_OR_NULL(phy->reg_vdd)) {
- pr_err("couldn't get regulator avdd_usb: %ld \n",
- PTR_ERR(phy->reg_vdd));
- phy->reg_vdd = NULL;
- }
-
- if (instance == 0 && usb_phy_data[0].vbus_irq) {
- err = request_threaded_irq(usb_phy_data[0].vbus_irq, NULL, usb_phy_vbus_irq_thr, IRQF_SHARED,
- "usb_phy_vbus", phy);
- if (err) {
- pr_err("Failed to register IRQ\n");
- goto err1;
- }
- }
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* Power-up the VBUS detector for UTMIP PHY */
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) {
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
- /* turn on pad detectors for HSIC*/
- val = readl(pmc_base + PMC_USB_AO);
- val &= ~(TEGRA_PMC_USB_AO_VBUS_WAKEUP_PD_P0 | TEGRA_PMC_USB_AO_ID_PD_P0);
- writel(val, pmc_base + PMC_USB_AO);
-
- utmip_powerup_pmc_wake_detect(phy);
-
- if (usb_phy_data[phy->instance].vbus_reg_supply) {
- phy->reg_vbus = regulator_get(NULL, usb_phy_data[phy->instance].vbus_reg_supply);
- if (WARN_ON(IS_ERR_OR_NULL(phy->reg_vbus))) {
- pr_err("couldn't get regulator vdd_vbus_usb: %ld, instance : %d\n",
- PTR_ERR(phy->reg_vbus), phy->instance);
- err = PTR_ERR(phy->reg_vbus);
- goto err1;
- }
- }
- }
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
- uhsic_powerup_pmc_wake_detect(phy);
- }
-
-#endif
- if (((instance == 2) || (instance == 0)) &&
- (phy->mode == TEGRA_USB_PHY_MODE_HOST)) {
- vbus_enable(phy);
- }
- return phy;
-
-err1:
- clk_disable(phy->pll_u);
- clk_put(phy->pll_u);
-err0:
- kfree(phy);
- return ERR_PTR(err);
+ return status;
}
-
-int tegra_usb_phy_power_on(struct tegra_usb_phy *phy, bool is_dpd)
+int tegra_usb_phy_suspend(struct tegra_usb_phy *phy)
{
- int ret = 0;
-
- const tegra_phy_fp power_on[] = {
- utmi_phy_power_on,
- ulpi_phy_power_on,
- null_phy_power_on,
- uhsic_phy_power_on,
- };
+ int err = 0;
- if (phy->power_on)
- return ret;
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- if ((phy->instance == 0) && usb_phy_data[0].vbus_irq &&
- (phy->mode == TEGRA_USB_PHY_MODE_DEVICE))
- is_dpd = true;
+ if (phy->ops && phy->ops->suspend)
+ err = phy->ops->suspend(phy);
- if (phy->reg_vdd && !phy->regulator_on) {
- regulator_enable(phy->reg_vdd);
- phy->regulator_on = 1;
+ if (!err && phy->pdata->u_data.host.power_off_on_suspend) {
+ if (phy->pdata->ops && phy->pdata->ops->pre_phy_off)
+ phy->pdata->ops->pre_phy_off();
+ err = phy->ops->power_off(phy);
+ if (phy->pdata->ops && phy->pdata->ops->post_phy_off)
+ phy->pdata->ops->post_phy_off();
}
- if (power_on[phy->usb_phy_type])
- ret = power_on[phy->usb_phy_type](phy, is_dpd);
-
- phy->power_on = true;
- return ret;
+ return err;
}
-
-void tegra_usb_phy_power_off(struct tegra_usb_phy *phy, bool is_dpd)
+int tegra_usb_phy_post_suspend(struct tegra_usb_phy *phy)
{
- const tegra_phy_fp power_off[] = {
- utmi_phy_power_off,
- ulpi_phy_power_off,
- null_phy_power_off,
- uhsic_phy_power_off,
- };
+ int status = 0;
- if (!phy->power_on)
- return;
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
- if ((phy->instance == 0) && usb_phy_data[0].vbus_irq &&
- (phy->mode == TEGRA_USB_PHY_MODE_DEVICE))
- is_dpd = true;
+ if (phy->ops && phy->ops->post_suspend)
+ status = phy->ops->post_suspend(phy);
- if (power_off[phy->usb_phy_type])
- power_off[phy->usb_phy_type](phy, is_dpd);
+ if (phy->pdata->ops && phy->pdata->ops->post_suspend)
+ phy->pdata->ops->post_suspend();
- if (phy->reg_vdd && phy->regulator_on && is_dpd) {
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (tegra_get_revision() >= TEGRA_REVISION_A03)
-#endif
- regulator_disable(phy->reg_vdd);
- phy->regulator_on = 0;
- }
- phy->power_on = false;
+ return status;
}
-
-void tegra_usb_phy_preresume(struct tegra_usb_phy *phy, bool remote_wakeup)
+int tegra_usb_phy_pre_resume(struct tegra_usb_phy *phy, bool remote_wakeup)
{
- const tegra_phy_fp preresume[] = {
- utmi_phy_preresume,
- NULL,
- NULL,
- uhsic_phy_preresume,
- };
+ int status = 0;
- if (preresume[phy->usb_phy_type])
- preresume[phy->usb_phy_type](phy, remote_wakeup);
-}
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
-void tegra_usb_phy_postsuspend(struct tegra_usb_phy *phy, bool is_dpd)
+ if (phy->pdata->ops && phy->pdata->ops->pre_resume)
+ phy->pdata->ops->pre_resume();
-{
- const tegra_phy_fp postsuspend[] = {
- NULL,
- NULL,
- NULL,
- uhsic_phy_postsuspend,
- };
+ if (phy->ops && phy->ops->pre_resume)
+ status = phy->ops->pre_resume(phy, remote_wakeup);
- if (postsuspend[phy->usb_phy_type])
- postsuspend[phy->usb_phy_type](phy, is_dpd);
+ return status;
}
-
-void tegra_usb_phy_postresume(struct tegra_usb_phy *phy, bool is_dpd)
+int tegra_usb_phy_resume(struct tegra_usb_phy *phy)
{
- const tegra_phy_fp postresume[] = {
- utmi_phy_postresume,
- NULL,
- NULL,
- NULL,
- };
+ int err = 0;
- usb_phy_set_tx_fill_tuning(phy, is_dpd);
-
- // If Phy type is utmi, call its post resume
- if (phy->usb_phy_type == 0)
- utmi_phy_postresume(phy, is_dpd);
-}
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
-void tegra_ehci_pre_reset(struct tegra_usb_phy *phy, bool is_dpd)
-{
- const tegra_phy_fp pre_reset[] = {
- NULL,
- NULL,
- null_phy_pre_usbcmd_reset,
- NULL,
- };
+ if (phy->pdata->u_data.host.power_off_on_suspend) {
+ if (phy->pdata->ops && phy->pdata->ops->pre_phy_on)
+ phy->pdata->ops->pre_phy_on();
+ err = phy->ops->power_on(phy);
+ if (phy->pdata->ops && phy->pdata->ops->post_phy_on)
+ phy->pdata->ops->post_phy_on();
+ }
- if (pre_reset[phy->usb_phy_type])
- pre_reset[phy->usb_phy_type](phy, is_dpd);
-}
+ if (!err && phy->ops && phy->ops->resume)
+ err = phy->ops->resume(phy);
-void tegra_ehci_post_reset(struct tegra_usb_phy *phy, bool is_dpd)
-{
- const tegra_phy_fp post_reset[] = {
- NULL,
- NULL,
- null_phy_post_usbcmd_reset,
- NULL,
- };
+ return err;
- if (post_reset[phy->usb_phy_type])
- post_reset[phy->usb_phy_type](phy, is_dpd);
}
-
-void tegra_ehci_phy_restore_start(struct tegra_usb_phy *phy,
- enum tegra_usb_phy_port_speed port_speed)
+int tegra_usb_phy_post_resume(struct tegra_usb_phy *phy)
{
- const tegra_phy_restore_start_fp phy_restore_start[] = {
- utmi_phy_restore_start,
- ulpi_phy_restore_start,
- null_phy_restore_start,
- NULL,
- };
+ int status = 0;
- if (phy_restore_start[phy->usb_phy_type])
- phy_restore_start[phy->usb_phy_type](phy, port_speed);
-}
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
-void tegra_ehci_phy_restore_end(struct tegra_usb_phy *phy)
-{
- const tegra_phy_restore_end_fp phy_restore_end[] = {
- utmi_phy_restore_end,
- ulpi_phy_restore_end,
- null_phy_restore_end,
- NULL,
- };
+ if (phy->ops && phy->ops->post_resume)
+ status = phy->ops->post_resume(phy);
- if (phy_restore_end[phy->usb_phy_type])
- phy_restore_end[phy->usb_phy_type](phy);
-}
+ if (phy->pdata->ops && phy->pdata->ops->post_resume)
+ phy->pdata->ops->post_resume();
-void tegra_usb_phy_clk_disable(struct tegra_usb_phy *phy)
-{
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP)
- utmi_phy_clk_disable(phy);
+ return status;
}
-
-void tegra_usb_phy_clk_enable(struct tegra_usb_phy *phy)
+int tegra_usb_phy_port_power(struct tegra_usb_phy *phy)
{
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP)
- utmi_phy_clk_enable(phy);
-}
+ int status = 0;
-void tegra_usb_phy_close(struct tegra_usb_phy *phy)
-{
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_UTMIP) {
- utmip_pad_close(phy);
- utmip_phy_disable_pmc_bus_ctrl(phy);
- }
- else if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_LINK_ULPI && phy->clk)
- clk_put(phy->clk);
- if (phy->mode == TEGRA_USB_PHY_MODE_HOST) {
- vbus_disable(phy);
- }
- clk_disable(phy->pll_u);
- clk_put(phy->pll_u);
- if (phy->reg_vbus)
- regulator_put(phy->reg_vbus);
- if (phy->reg_vdd)
- regulator_put(phy->reg_vdd);
- if (phy->instance == 0 && usb_phy_data[0].vbus_irq)
- free_irq(usb_phy_data[0].vbus_irq, phy);
- kfree(phy);
-}
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
-int tegra_usb_phy_bus_connect(struct tegra_usb_phy *phy)
-{
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + TEGRA_USB_USBMODE_REG_OFFSET);
- val |= TEGRA_USB_USBMODE_HOST;
- writel(val, base + TEGRA_USB_USBMODE_REG_OFFSET);
-
- /* Change the USB controller PHY type to HSIC */
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
- val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
- val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
- val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
- writel(val, base + HOSTPC1_DEVLC);
-#endif
- val = readl(base + UHSIC_MISC_CFG0);
- val |= UHSIC_DETECT_SHORT_CONNECT;
- writel(val, base + UHSIC_MISC_CFG0);
- udelay(1);
-
- val = readl(base + UHSIC_MISC_CFG0);
- val |= UHSIC_FORCE_XCVR_MODE;
- writel(val, base + UHSIC_MISC_CFG0);
+ if (phy->ops && phy->ops->port_power)
+ status = phy->ops->port_power(phy);
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPD_STROBE;
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- val |= UHSIC_RPU_STROBE;
-#endif
- writel(val, base + UHSIC_PADS_CFG1);
-
- if (uhsic_config->usb_phy_ready &&
- uhsic_config->usb_phy_ready())
- return -EAGAIN;
-
- /* connect detect on T30 requires extra wait */
- if (utmi_wait_register_timeout(base + UHSIC_STAT_CFG0,
- UHSIC_CONNECT_DETECT, UHSIC_CONNECT_DETECT,
- CONNECT_DETECT_TIMEOUT) < 0) {
- pr_err("%s: timeout waiting for hsic connect detect\n", __func__);
- return -ETIMEDOUT;
- }
-
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (utmi_wait_register(base + USB_PORTSC1, USB_PORTSC1_LS(2), USB_PORTSC1_LS(2)) < 0) {
- pr_err("%s: timeout waiting for dplus state\n", __func__);
- return -ETIMEDOUT;
- }
-#endif
- }
+ if (phy->pdata->ops && phy->pdata->ops->port_power)
+ phy->pdata->ops->port_power();
- return 0;
+ return status;
}
-
int tegra_usb_phy_bus_reset(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
-
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- /* Change the USB controller PHY type to HSIC */
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
- val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
- val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
- val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
- writel(val, base + HOSTPC1_DEVLC);
- /* wait here, otherwise HOSTPC1_DEVLC_PSPD will timeout */
- mdelay(5);
-#endif
- val = readl(base + USB_PORTSC1);
- val |= USB_PORTSC1_PTC(5);
- writel(val, base + USB_PORTSC1);
- udelay(2);
-
- val = readl(base + USB_PORTSC1);
- val &= ~USB_PORTSC1_PTC(~0);
- writel(val, base + USB_PORTSC1);
- udelay(2);
-
- if (utmi_wait_register(base + USB_PORTSC1, USB_PORTSC1_LS(0), 0) < 0) {
- pr_err("%s: timeout waiting for SE0\n", __func__);
- return -ETIMEDOUT;
- }
+ int status = 0;
- if (utmi_wait_register(base + USB_PORTSC1, USB_PORTSC1_CCS, USB_PORTSC1_CCS) < 0) {
- pr_err("%s: timeout waiting for connection status\n", __func__);
- return -ETIMEDOUT;
- }
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
-#if defined(CONFIG_ARCH_TEGRA_2x_SOC)
- if (utmi_wait_register(base + USB_PORTSC1, USB_PORTSC1_PSPD(2), USB_PORTSC1_PSPD(2)) < 0) {
- pr_err("%s: timeout waiting hsic high speed configuration\n", __func__);
- return -ETIMEDOUT;
- }
-#elif defined(CONFIG_ARCH_TEGRA_3x_SOC)
- if (utmi_wait_register(base + HOSTPC1_DEVLC,
- HOSTPC1_DEVLC_PSPD(2),
- HOSTPC1_DEVLC_PSPD(2)) < 0) {
- pr_err("%s: timeout waiting hsic high speed configuration\n", __func__);
- return -ETIMEDOUT;
- }
-#endif
- val = readl(base + USB_USBCMD);
- val &= ~USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
-
- if (utmi_wait_register(base + USB_USBSTS, USB_USBSTS_HCH, USB_USBSTS_HCH) < 0) {
- pr_err("%s: timeout waiting for stopping the controller\n", __func__);
- return -ETIMEDOUT;
- }
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPU_STROBE;
- val |= UHSIC_RPD_STROBE;
- writel(val, base + UHSIC_PADS_CFG1);
-
- mdelay(50);
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPD_STROBE;
- val |= UHSIC_RPU_STROBE;
- writel(val, base + UHSIC_PADS_CFG1);
-
- val = readl(base + USB_USBCMD);
- val |= USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPU_STROBE;
- writel(val, base + UHSIC_PADS_CFG1);
+ if (phy->ops && phy->ops->bus_reset)
+ status = phy->ops->bus_reset(phy);
- if (utmi_wait_register(base + USB_USBCMD, USB_USBCMD_RS, USB_USBCMD_RS) < 0) {
- pr_err("%s: timeout waiting for starting the controller\n", __func__);
- return -ETIMEDOUT;
- }
- }
-
- return 0;
+ return status;
}
-int tegra_usb_phy_bus_idle(struct tegra_usb_phy *phy)
+bool tegra_usb_phy_charger_detected(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
- struct tegra_uhsic_config *uhsic_config = phy->config;
-
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- val = readl(base + TEGRA_USB_USBMODE_REG_OFFSET);
- val |= TEGRA_USB_USBMODE_HOST;
- writel(val, base + TEGRA_USB_USBMODE_REG_OFFSET);
-
- /* Change the USB controller PHY type to HSIC */
- val = readl(base + HOSTPC1_DEVLC);
- val &= ~HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_MASK);
- val |= HOSTPC1_DEVLC_PTS(HOSTPC1_DEVLC_PTS_HSIC);
- val &= ~HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_MASK);
- val |= HOSTPC1_DEVLC_PSPD(HOSTPC1_DEVLC_PSPD_HIGH_SPEED);
- writel(val, base + HOSTPC1_DEVLC);
-#endif
- val = readl(base + UHSIC_MISC_CFG0);
- val |= UHSIC_DETECT_SHORT_CONNECT;
- writel(val, base + UHSIC_MISC_CFG0);
- udelay(1);
+ bool status = 0;
- val = readl(base + UHSIC_MISC_CFG0);
- val |= UHSIC_FORCE_XCVR_MODE;
- writel(val, base + UHSIC_MISC_CFG0);
-
- val = readl(base + UHSIC_PADS_CFG1);
- val &= ~UHSIC_RPD_STROBE;
- /* safe to enable RPU on STROBE at all times during idle */
- val |= UHSIC_RPU_STROBE;
- writel(val, base + UHSIC_PADS_CFG1);
-
- val = readl(base + USB_USBCMD);
- val &= ~USB_USBCMD_RS;
- writel(val, base + USB_USBCMD);
-
- if (uhsic_config->usb_phy_ready &&
- uhsic_config->usb_phy_ready())
- return -EAGAIN;
-
- /* connect detect on T30 requires extra wait */
- if (utmi_wait_register_timeout(base + UHSIC_STAT_CFG0,
- UHSIC_CONNECT_DETECT, UHSIC_CONNECT_DETECT,
- CONNECT_DETECT_TIMEOUT) < 0) {
- pr_err("%s: timeout waiting for hsic connect detect\n",
- __func__);
- return -ETIMEDOUT;
- }
- }
- return 0;
+ DBG("%s(%d) inst:[%d]\n", __func__, __LINE__, phy->inst);
+ if (phy->ops && phy->ops->charger_detect)
+ status = phy->ops->charger_detect(phy);
+
+ return status;
}
-bool tegra_usb_phy_is_device_connected(struct tegra_usb_phy *phy)
+bool tegra_usb_phy_hw_accessible(struct tegra_usb_phy *phy)
{
- void __iomem *base = phy->regs;
+ if (!phy->hw_accessible)
+ DBG("%s(%d) inst:[%d] Not Accessible\n", __func__,
+ __LINE__, phy->inst);
- if (phy->usb_phy_type == TEGRA_USB_PHY_TYPE_HSIC) {
- if (utmi_wait_register(base + UHSIC_STAT_CFG0,
- UHSIC_CONNECT_DETECT, UHSIC_CONNECT_DETECT) < 0) {
- pr_err("%s: no hsic connection\n", __func__);
- return false;
- }
-#ifdef CONFIG_ARCH_TEGRA_2x_SOC
- if (utmi_wait_register(base + USB_PORTSC1, USB_PORTSC1_LS(2), USB_PORTSC1_LS(2)) < 0) {
- pr_err("%s: timeout waiting for dplus state\n", __func__);
- return false;
- }
-#endif
- }
- return true;
+ return phy->hw_accessible;
}
-bool tegra_usb_phy_charger_detect(struct tegra_usb_phy *phy)
+bool tegra_usb_phy_remote_wakeup(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *base = phy->regs;
- bool status;
-
- if (phy->usb_phy_type != TEGRA_USB_PHY_TYPE_UTMIP)
- {
- /* Charger detection is not there for ULPI
- * return Charger not available */
- return false;
- }
-
- /* Enable charger detection logic */
- val = readl(base + UTMIP_BAT_CHRG_CFG0);
- val |= UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN;
- writel(val, base + UTMIP_BAT_CHRG_CFG0);
-
- /* Source should be on for 100 ms as per USB charging spec */
- msleep(TDP_SRC_ON_MS);
-
- val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
- /* If charger is not connected disable the interrupt */
- val &= ~VDAT_DET_INT_EN;
- val |= VDAT_DET_CHG_DET;
- writel(val,base + USB_PHY_VBUS_WAKEUP_ID);
-
- val = readl(base + USB_PHY_VBUS_WAKEUP_ID);
- if (val & VDAT_DET_STS)
- status = true;
- else
- status = false;
-
- /* Disable charger detection logic */
- val = readl(base + UTMIP_BAT_CHRG_CFG0);
- val &= ~(UTMIP_OP_SRC_EN | UTMIP_ON_SINK_EN);
- writel(val, base + UTMIP_BAT_CHRG_CFG0);
-
- /* Delay of 40 ms before we pull the D+ as per battery charger spec */
- msleep(TDPSRC_CON_MS);
-
- return status;
+ return phy->remote_wakeup;
}
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
-void tegra_usb_phy_power_down_pmc(void)
+bool tegra_usb_phy_has_hostpc(struct tegra_usb_phy *phy)
{
- unsigned long val;
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
-
- /* power down all 3 UTMIP interfaces */
- val = readl(pmc_base + PMC_UTMIP_MASTER_CONFIG);
- val |= UTMIP_PWR(0) | UTMIP_PWR(1) | UTMIP_PWR(2);
- writel(val, pmc_base + PMC_UTMIP_MASTER_CONFIG);
-
- /* turn on pad detectors */
- writel(PMC_POWER_DOWN_MASK, pmc_base + PMC_USB_AO);
-
- /* setup sleep walk fl all 3 usb controllers */
- val = UTMIP_USBOP_RPD_A | UTMIP_USBON_RPD_A | UTMIP_HIGHZ_A |
- UTMIP_USBOP_RPD_B | UTMIP_USBON_RPD_B | UTMIP_HIGHZ_B |
- UTMIP_USBOP_RPD_C | UTMIP_USBON_RPD_C | UTMIP_HIGHZ_C |
- UTMIP_USBOP_RPD_D | UTMIP_USBON_RPD_D | UTMIP_HIGHZ_D;
- writel(val, pmc_base + PMC_SLEEPWALK_REG(0));
- writel(val, pmc_base + PMC_SLEEPWALK_REG(1));
- writel(val, pmc_base + PMC_SLEEPWALK_REG(2));
-
- /* enable pull downs on HSIC PMC */
- val = UHSIC_STRB_RPD_A | UHSIC_DATA_RPD_A | UHSIC_STRB_RPD_B |
- UHSIC_DATA_RPD_B | UHSIC_STRB_RPD_C | UHSIC_DATA_RPD_C |
- UHSIC_STRB_RPD_D | UHSIC_DATA_RPD_D;
- writel(val, pmc_base + UHSIC_SLEEPWALK_REG);
-
- /* Turn over pad configuration to PMC */
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(0, ~0);
- val &= ~UTMIP_WAKE_VAL(1, ~0);
- val &= ~UTMIP_WAKE_VAL(2, ~0);
- val &= ~UHSIC_WAKE_VAL_P0(~0);
- val |= UTMIP_WAKE_VAL(0, WAKE_VAL_NONE) | UHSIC_WAKE_VAL_P0(WAKE_VAL_NONE) |
- UTMIP_WAKE_VAL(1, WAKE_VAL_NONE) | UTMIP_WAKE_VAL(2, WAKE_VAL_NONE) |
- UTMIP_RCTRL_USE_PMC(0) | UTMIP_RCTRL_USE_PMC(1) | UTMIP_RCTRL_USE_PMC(2) |
- UTMIP_TCTRL_USE_PMC(0) | UTMIP_TCTRL_USE_PMC(1) | UTMIP_TCTRL_USE_PMC(2) |
- UTMIP_FSLS_USE_PMC(0) | UTMIP_FSLS_USE_PMC(1) | UTMIP_FSLS_USE_PMC(2) |
- UTMIP_MASTER_ENABLE(0) | UTMIP_MASTER_ENABLE(1) | UTMIP_MASTER_ENABLE(2) |
- UHSIC_MASTER_ENABLE_P0;
- writel(val, pmc_base + PMC_SLEEP_CFG);
+ return phy->pdata->has_hostpc;
}
-#endif
-int __init tegra_usb_phy_init(struct usb_phy_plat_data *pdata, int size)
+bool tegra_usb_phy_otg_supported(struct tegra_usb_phy *phy)
{
- if (pdata) {
- int i;
-
- for (i = 0; i < size; i++, pdata++) {
- usb_phy_data[pdata->instance].instance = pdata->instance;
- usb_phy_data[pdata->instance].vbus_irq = pdata->vbus_irq;
- usb_phy_data[pdata->instance].vbus_gpio = pdata->vbus_gpio;
- usb_phy_data[pdata->instance].vbus_reg_supply = pdata->vbus_reg_supply;
- }
- }
-
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- tegra_usb_phy_power_down_pmc();
-#endif
-
- return 0;
+ return phy->pdata->port_otg;
}
void tegra_usb_phy_memory_prefetch_on(struct tegra_usb_phy *phy)
@@ -3197,7 +643,7 @@ void tegra_usb_phy_memory_prefetch_on(struct tegra_usb_phy *phy)
void __iomem *ahb_gizmo = IO_ADDRESS(TEGRA_AHB_GIZMO_BASE);
unsigned long val;
- if (phy->instance == 0 && phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
+ if (phy->inst == 0 && phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
val = readl(ahb_gizmo + AHB_MEM_PREFETCH_CFG1);
val |= PREFETCH_ENB;
writel(val, ahb_gizmo + AHB_MEM_PREFETCH_CFG1);
@@ -3212,7 +658,7 @@ void tegra_usb_phy_memory_prefetch_off(struct tegra_usb_phy *phy)
void __iomem *ahb_gizmo = IO_ADDRESS(TEGRA_AHB_GIZMO_BASE);
unsigned long val;
- if (phy->instance == 0 && phy->mode == TEGRA_USB_PHY_MODE_DEVICE) {
+ if (phy->inst == 0 && phy->pdata->op_mode == TEGRA_USB_OPMODE_DEVICE) {
val = readl(ahb_gizmo + AHB_MEM_PREFETCH_CFG1);
val &= ~(PREFETCH_ENB);
writel(val, ahb_gizmo + AHB_MEM_PREFETCH_CFG1);
@@ -3221,38 +667,3 @@ void tegra_usb_phy_memory_prefetch_off(struct tegra_usb_phy *phy)
writel(val, ahb_gizmo + AHB_MEM_PREFETCH_CFG2);
}
}
-
-/* disable walk and wake events after resume from LP0 */
-bool tegra_usb_phy_is_remotewake_detected(struct tegra_usb_phy *phy)
-{
-#ifndef CONFIG_ARCH_TEGRA_2x_SOC
- void __iomem *pmc_base = IO_ADDRESS(TEGRA_PMC_BASE);
- void __iomem *base = phy->regs;
- unsigned int inst = phy->instance;
- u32 val;
-
- val = readl(base + UTMIP_PMC_WAKEUP0);
- if (val & EVENT_INT_ENB) {
- val = readl(pmc_base + UTMIP_UHSIC_STATUS);
- if (UTMIP_WAKE_ALARM(inst) & val) {
- val = readl(pmc_base + PMC_SLEEP_CFG);
- val &= ~UTMIP_WAKE_VAL(inst, 0x0);
- val |= UTMIP_WAKE_VAL(inst, WAKE_VAL_NONE);
- writel(val, pmc_base + PMC_SLEEP_CFG);
-
- val = readl(pmc_base + PMC_TRIGGERS);
- val |= UTMIP_CLR_WAKE_ALARM(inst) |
- UTMIP_CLR_WALK_PTR(inst);
- writel(val, pmc_base + PMC_TRIGGERS);
-
- val = readl(base + UTMIP_PMC_WAKEUP0);
- val &= ~EVENT_INT_ENB;
- writel(val, base + UTMIP_PMC_WAKEUP0);
- phy->remote_wakeup = true;
- return true;
- }
- }
-#endif
- return false;
-}
-