diff options
Diffstat (limited to 'arch/arm/mach-tegra/tegra_usb_phy.h')
-rw-r--r-- | arch/arm/mach-tegra/tegra_usb_phy.h | 104 |
1 files changed, 104 insertions, 0 deletions
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 */ |