summaryrefslogtreecommitdiff
path: root/arch/arm/mach-mx28/mx28evk_pins.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-mx28/mx28evk_pins.c')
-rw-r--r--arch/arm/mach-mx28/mx28evk_pins.c1231
1 files changed, 1231 insertions, 0 deletions
diff --git a/arch/arm/mach-mx28/mx28evk_pins.c b/arch/arm/mach-mx28/mx28evk_pins.c
new file mode 100644
index 000000000000..1990b925f681
--- /dev/null
+++ b/arch/arm/mach-mx28/mx28evk_pins.c
@@ -0,0 +1,1231 @@
+/*
+ * Copyright (C) 2009-2010 Freescale Semiconductor, Inc. All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+#include <linux/gpio.h>
+#include <linux/delay.h>
+
+#include <mach/pinctrl.h>
+
+#include "mx28_pins.h"
+
+static struct pin_desc mx28evk_fixed_pins[] = {
+ {
+ .name = "DUART.RX",
+ .id = PINID_PWM0,
+ .fun = PIN_FUN3,
+ },
+ {
+ .name = "DUART.TX",
+ .id = PINID_PWM1,
+ .fun = PIN_FUN3,
+ },
+#ifdef CONFIG_MXS_AUART0_DEVICE_ENABLE
+ {
+ .name = "AUART0.RX",
+ .id = PINID_AUART0_RX,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART0.TX",
+ .id = PINID_AUART0_TX,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART0.CTS",
+ .id = PINID_AUART0_CTS,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART0.RTS",
+ .id = PINID_AUART0_RTS,
+ .fun = PIN_FUN1,
+ },
+#endif
+#ifdef CONFIG_MXS_AUART3_DEVICE_ENABLE
+ {
+ .name = "AUART3.RX",
+ .id = PINID_AUART3_RX,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART3.TX",
+ .id = PINID_AUART3_TX,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART3.CTS",
+ .id = PINID_AUART3_CTS,
+ .fun = PIN_FUN1,
+ },
+ {
+ .name = "AUART3.RTS",
+ .id = PINID_AUART3_RTS,
+ .fun = PIN_FUN1,
+ },
+#endif
+ {
+ .name = "usb0",
+ .id = PINID_AUART2_TX, /* Power enable pin*/
+ .fun = PIN_GPIO,
+ .data = 0,
+ .output = 1,
+ },
+ {
+ .name = "usb1",
+ .id = PINID_AUART2_RX,
+ .fun = PIN_GPIO,
+ .data = 1,
+ .output = 1,
+ },
+
+#if defined(CONFIG_USB_OTG)
+ {
+ .name = "usb0_id",
+ .id = PINID_AUART1_RTS,
+ .fun = PIN_FUN2,
+ .data = 1,
+ .pull = 1,
+ .pullup = 1,
+ },
+#endif
+
+#if defined(CONFIG_CAN_FLEXCAN) || defined(CONFIG_CAN_FLEXCAN_MODULE)
+ {
+ .name = "CAN1_TX",
+ .id = PINID_GPMI_CE2N,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "CAN1_RX",
+ .id = PINID_GPMI_CE3N,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "CAN0_TX",
+ .id = PINID_GPMI_RDY2,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "CAN0_RX",
+ .id = PINID_GPMI_RDY3,
+ .fun = PIN_FUN2,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "CAN_PWDN",
+ .id = PINID_SSP1_CMD,
+ .fun = PIN_GPIO,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ .data = 0,
+ .output = 1,
+ },
+
+#endif
+
+#if defined(CONFIG_I2C_MXS) || \
+ defined(CONFIG_I2C_MXS_MODULE)
+ {
+ .name = "I2C0_SCL",
+ .id = PINID_I2C0_SCL,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "I2C0_SDA",
+ .id = PINID_I2C0_SDA,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#endif
+#if defined(CONFIG_FB_MXS) || defined(CONFIG_FB_MXS_MODULE)
+ {
+ .name = "LCD_D00",
+ .id = PINID_LCD_D00,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D01",
+ .id = PINID_LCD_D01,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D02",
+ .id = PINID_LCD_D02,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D03",
+ .id = PINID_LCD_D03,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D04",
+ .id = PINID_LCD_D04,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D05",
+ .id = PINID_LCD_D05,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D06",
+ .id = PINID_LCD_D06,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D07",
+ .id = PINID_LCD_D07,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D08",
+ .id = PINID_LCD_D08,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D09",
+ .id = PINID_LCD_D09,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D10",
+ .id = PINID_LCD_D10,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D11",
+ .id = PINID_LCD_D11,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D12",
+ .id = PINID_LCD_D12,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D13",
+ .id = PINID_LCD_D13,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D14",
+ .id = PINID_LCD_D14,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D15",
+ .id = PINID_LCD_D15,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D16",
+ .id = PINID_LCD_D16,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D17",
+ .id = PINID_LCD_D17,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D18",
+ .id = PINID_LCD_D18,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D19",
+ .id = PINID_LCD_D19,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D20",
+ .id = PINID_LCD_D20,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D21",
+ .id = PINID_LCD_D21,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D22",
+ .id = PINID_LCD_D22,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_D23",
+ .id = PINID_LCD_D23,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_RESET",
+ .id = PINID_LCD_RESET,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_VSYNC",
+ .id = PINID_LCD_RD_E,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_HSYNC",
+ .id = PINID_LCD_WR_RWN,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_ENABLE",
+ .id = PINID_LCD_CS,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_DOTCLK",
+ .id = PINID_LCD_RS,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "LCD_BACKLIGHT",
+ .id = PINID_PWM2,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+#endif
+#if defined(CONFIG_MMC_MXS) || defined(CONFIG_MMC_MXS_MODULE)
+ /* Configurations of SSP0 SD/MMC port pins */
+ {
+ .name = "SSP0_DATA0",
+ .id = PINID_SSP0_DATA0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA1",
+ .id = PINID_SSP0_DATA1,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA2",
+ .id = PINID_SSP0_DATA2,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA3",
+ .id = PINID_SSP0_DATA3,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA4",
+ .id = PINID_SSP0_DATA4,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA5",
+ .id = PINID_SSP0_DATA5,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA6",
+ .id = PINID_SSP0_DATA6,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DATA7",
+ .id = PINID_SSP0_DATA7,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_CMD",
+ .id = PINID_SSP0_CMD,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP0_DETECT",
+ .id = PINID_SSP0_DETECT,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "SSP0_SCK",
+ .id = PINID_SSP0_SCK,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 2,
+ .pull = 0,
+ },
+#endif
+#if defined(CONFIG_LEDS_MXS) || defined(CONFIG_LEDS_MXS_MODULE)
+ {
+ .name = "LEDS_PWM0",
+ .id = PINID_AUART1_RX,
+ .fun = PIN_FUN3,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "LEDS_PWM1",
+ .id = PINID_AUART1_TX,
+ .fun = PIN_FUN3,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+#endif
+#if defined(CONFIG_SND_MXS_SOC_DAI) || defined(CONFIG_SND_MXS_SOC_DAI_MODULE)
+ /* Configurations of SAIF0 port pins */
+ {
+ .name = "SAIF0_MCLK",
+ .id = PINID_SAIF0_MCLK,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SAIF0_LRCLK",
+ .id = PINID_SAIF0_LRCLK,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SAIF0_BITCLK",
+ .id = PINID_SAIF0_BITCLK,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SAIF0_SDATA0",
+ .id = PINID_SAIF0_SDATA0,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SAIF1_SDATA0",
+ .id = PINID_SAIF1_SDATA0,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+#endif
+#if defined(CONFIG_SND_SOC_MXS_SPDIF) || \
+ defined(CONFIG_SND_SOC_MXS_SPDIF_MODULE)
+ {
+ .name = "SPDIF",
+ .id = PINID_SPDIF,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+#endif
+};
+
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)\
+ || defined(CONFIG_FEC_L2SWITCH)
+static struct pin_desc mx28evk_eth_pins[] = {
+ {
+ .name = "ENET0_MDC",
+ .id = PINID_ENET0_MDC,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_MDIO",
+ .id = PINID_ENET0_MDIO,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_RX_EN",
+ .id = PINID_ENET0_RX_EN,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_RXD0",
+ .id = PINID_ENET0_RXD0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_RXD1",
+ .id = PINID_ENET0_RXD1,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_TX_EN",
+ .id = PINID_ENET0_TX_EN,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_TXD0",
+ .id = PINID_ENET0_TXD0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET0_TXD1",
+ .id = PINID_ENET0_TXD1,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_RX_EN",
+ .id = PINID_ENET0_CRS,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_RXD0",
+ .id = PINID_ENET0_RXD2,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_RXD1",
+ .id = PINID_ENET0_RXD3,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_TX_EN",
+ .id = PINID_ENET0_COL,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_TXD0",
+ .id = PINID_ENET0_TXD2,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET1_TXD1",
+ .id = PINID_ENET0_TXD3,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "ENET_CLK",
+ .id = PINID_ENET_CLK,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .pull = 1,
+ .pullup = 1,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+};
+#endif
+
+static int __initdata enable_ssp1 = { 0 };
+static int __init ssp1_setup(char *__unused)
+{
+ enable_ssp1 = 1;
+ return 1;
+}
+
+__setup("ssp1", ssp1_setup);
+
+static struct pin_desc mx28evk_ssp1_pins[] = {
+ {
+ .name = "SSP1_DATA0",
+ .id = PINID_GPMI_D00,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA1",
+ .id = PINID_GPMI_D01,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA2",
+ .id = PINID_GPMI_D02,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA3",
+ .id = PINID_GPMI_D03,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA4",
+ .id = PINID_GPMI_D04,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA5",
+ .id = PINID_GPMI_D05,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA6",
+ .id = PINID_GPMI_D06,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DATA7",
+ .id = PINID_GPMI_D07,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_CMD",
+ .id = PINID_GPMI_RDY1,
+ .fun = PIN_FUN2,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 1,
+ .drive = 1,
+ .pull = 1,
+ },
+ {
+ .name = "SSP1_DETECT",
+ .id = PINID_GPMI_RDY0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 1,
+ .pull = 0,
+ },
+ {
+ .name = "SSP1_SCK",
+ .id = PINID_GPMI_WRN,
+ .fun = PIN_FUN2,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = 2,
+ .pull = 0,
+ },
+};
+
+
+int enable_gpmi = { 0 };
+static int __init gpmi_setup(char *__unused)
+{
+ enable_gpmi = 1;
+ return 1;
+}
+
+__setup("gpmi", gpmi_setup);
+
+static struct pin_desc mx28evk_gpmi_pins[] = {
+ {
+ .name = "GPMI D0",
+ .id = PINID_GPMI_D00,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D1",
+ .id = PINID_GPMI_D01,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D2",
+ .id = PINID_GPMI_D02,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D3",
+ .id = PINID_GPMI_D03,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D4",
+ .id = PINID_GPMI_D04,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D5",
+ .id = PINID_GPMI_D05,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D6",
+ .id = PINID_GPMI_D06,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI D7",
+ .id = PINID_GPMI_D07,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI CE0-",
+ .id = PINID_GPMI_CE0N,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI CE1-",
+ .id = PINID_GPMI_CE1N,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI RDY0",
+ .id = PINID_GPMI_RDY0,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI RDY1",
+ .id = PINID_GPMI_RDY1,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI RD-",
+ .id = PINID_GPMI_RDN,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI WR-",
+ .id = PINID_GPMI_WRN,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI ALE",
+ .id = PINID_GPMI_ALE,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI CLE",
+ .id = PINID_GPMI_CLE,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+ {
+ .name = "GPMI RST-",
+ .id = PINID_GPMI_RESETN,
+ .fun = PIN_FUN1,
+ .strength = PAD_12MA,
+ .voltage = PAD_3_3V,
+ .pullup = 0,
+ .drive = !0
+ },
+};
+
+#if defined(CONFIG_SPI_MXS) || defined(CONFIG_SPI_MXS_MODULE)
+static struct pin_desc mx28evk_spi_pins[] = {
+ {
+ .name = "SSP2 MOSI",
+ .id = PINID_SSP2_MOSI,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "SSP2 MISO",
+ .id = PINID_SSP2_MISO,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "SSP2 SCK",
+ .id = PINID_SSP2_SCK,
+ .fun = PIN_FUN1,
+ .strength = PAD_4MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+ {
+ .name = "SSP2 SS0",
+ .id = PINID_SSP2_SS0,
+ .fun = PIN_FUN1,
+ .strength = PAD_8MA,
+ .voltage = PAD_3_3V,
+ .drive = 1,
+ },
+};
+#endif
+
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)\
+ || defined(CONFIG_FEC_L2SWITCH)
+int mx28evk_enet_gpio_init(void)
+{
+ /* pwr */
+ gpio_request(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), "ENET_PWR");
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), 0);
+
+ /* reset phy */
+ gpio_request(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), "PHY_RESET");
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 0);
+
+ /*
+ * Before timer bug fix(set wrong match value of timer),
+ * mdelay(10) delay 50ms actually.
+ * So change delay to 50ms after timer issue fix.
+ */
+ mdelay(50);
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 1);
+
+ return 0;
+}
+
+void mx28evk_enet_io_lowerpower_enter(void)
+{
+ int i;
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), 1);
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 0);
+ gpio_request(MXS_PIN_TO_GPIO(PINID_ENET0_TX_CLK), "ETH_INT");
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_TX_CLK), 0);
+
+ for (i = 0; i < ARRAY_SIZE(mx28evk_eth_pins); i++) {
+ mxs_release_pin(mx28evk_eth_pins[i].id,
+ mx28evk_eth_pins[i].name);
+ gpio_request(MXS_PIN_TO_GPIO(mx28evk_eth_pins[i].id),
+ mx28evk_eth_pins[i].name);
+ gpio_direction_output(
+ MXS_PIN_TO_GPIO(mx28evk_eth_pins[i].id), 0);
+ }
+
+}
+
+void mx28evk_enet_io_lowerpower_exit(void)
+{
+ int i;
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_SSP1_DATA3), 0);
+ gpio_direction_output(MXS_PIN_TO_GPIO(PINID_ENET0_RX_CLK), 1);
+ gpio_free(MXS_PIN_TO_GPIO(PINID_ENET0_TX_CLK));
+ for (i = 0; i < ARRAY_SIZE(mx28evk_eth_pins); i++) {
+ gpio_free(MXS_PIN_TO_GPIO(mx28evk_eth_pins[i].id));
+ mxs_request_pin(mx28evk_eth_pins[i].id,
+ mx28evk_eth_pins[i].fun,
+ mx28evk_eth_pins[i].name);
+ }
+}
+
+#else
+int mx28evk_enet_gpio_init(void)
+{
+ return 0;
+}
+void mx28evk_enet_io_lowerpower_enter(void)
+{}
+void mx28evk_enet_io_lowerpower_exit(void)
+{}
+#endif
+
+void __init mx28evk_init_pin_group(struct pin_desc *pins, unsigned count)
+{
+ int i;
+ struct pin_desc *pin;
+ for (i = 0; i < count; i++) {
+ pin = pins + i;
+ if (pin->fun == PIN_GPIO)
+ gpio_request(MXS_PIN_TO_GPIO(pin->id), pin->name);
+ else
+ mxs_request_pin(pin->id, pin->fun, pin->name);
+ if (pin->drive) {
+ mxs_set_strength(pin->id, pin->strength, pin->name);
+ mxs_set_voltage(pin->id, pin->voltage, pin->name);
+ }
+ if (pin->pull)
+ mxs_set_pullup(pin->id, pin->pullup, pin->name);
+ if (pin->fun == PIN_GPIO) {
+ if (pin->output)
+ gpio_direction_output(MXS_PIN_TO_GPIO(pin->id),
+ pin->data);
+ else
+ gpio_direction_input(MXS_PIN_TO_GPIO(pin->id));
+ }
+ }
+}
+
+void __init mx28evk_pins_init(void)
+{
+
+ mx28evk_init_pin_group(mx28evk_fixed_pins,
+ ARRAY_SIZE(mx28evk_fixed_pins));
+
+ if (enable_ssp1) {
+ pr_info("Initializing SSP1 pins\n");
+ mx28evk_init_pin_group(mx28evk_ssp1_pins,
+ ARRAY_SIZE(mx28evk_ssp1_pins));
+ } else if (enable_gpmi) {
+ pr_info("Initializing GPMI pins\n");
+ mx28evk_init_pin_group(mx28evk_gpmi_pins,
+ ARRAY_SIZE(mx28evk_gpmi_pins));
+ }
+
+#if defined(CONFIG_SPI_MXS) || defined(CONFIG_SPI_MXS_MODULE)
+ mx28evk_init_pin_group(mx28evk_spi_pins,
+ ARRAY_SIZE(mx28evk_spi_pins));
+#endif
+
+#if defined(CONFIG_FEC) || defined(CONFIG_FEC_MODULE)\
+ || defined(CONFIG_FEC_L2SWITCH)
+ mx28evk_init_pin_group(mx28evk_eth_pins,
+ ARRAY_SIZE(mx28evk_eth_pins));
+#endif
+}
generated by cgit v1.2.3 (git 2.0.4) at 2024-04-26 12:40:32 +0000