projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 06fb0137 KD |
1 | /* |
| 2 | * Samsung SoC USB 1.1/2.0 PHY driver | |
| 3 | * | |
| 4 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. | |
| 5 | * Author: Kamil Debski <k.debski@samsung.com> | |
| 6 | * | |
| 7 | * This program is free software; you can redistribute it and/or modify | |
| 8 | * it under the terms of the GNU General Public License version 2 as | |
| 9 | * published by the Free Software Foundation. | |
| 10 | */ | |
| 11 | ||
| 12 | #ifndef _PHY_EXYNOS_USB2_H | |
| 13 | #define _PHY_EXYNOS_USB2_H | |
| 14 | ||
| 15 | #include <linux/clk.h> | |
| 16 | #include <linux/phy/phy.h> | |
| 17 | #include <linux/device.h> | |
| 18 | #include <linux/regmap.h> | |
| 19 | #include <linux/spinlock.h> | |
| 20 | ||
| 21 | #define KHZ 1000 | |
| 22 | #define MHZ (KHZ * KHZ) | |
| 23 | ||
| 24 | struct samsung_usb2_phy_driver; | |
| 25 | struct samsung_usb2_phy_instance; | |
| 26 | struct samsung_usb2_phy_config; | |
| 27 | ||
| 28 | struct samsung_usb2_phy_instance { | |
| 29 | const struct samsung_usb2_common_phy *cfg; | |
| 30 | struct phy *phy; | |
| 31 | struct samsung_usb2_phy_driver *drv; | |
| 32 | bool enabled; | |
| 33 | }; | |
| 34 | ||
| 35 | struct samsung_usb2_phy_driver { | |
| 36 | const struct samsung_usb2_phy_config *cfg; | |
| 37 | struct clk *clk; | |
| 38 | struct clk *ref_clk; | |
| 39 | unsigned long ref_rate; | |
| 40 | u32 ref_reg_val; | |
| 41 | struct device *dev; | |
| 42 | void __iomem *reg_phy; | |
| 43 | struct regmap *reg_pmu; | |
| 44 | struct regmap *reg_sys; | |
| 45 | spinlock_t lock; | |
| 46 | struct samsung_usb2_phy_instance instances[0]; | |
| 47 | }; | |
| 48 | ||
| 49 | struct samsung_usb2_common_phy { | |
| 50 | int (*power_on)(struct samsung_usb2_phy_instance *); | |
| 51 | int (*power_off)(struct samsung_usb2_phy_instance *); | |
| 52 | unsigned int id; | |
| 53 | char *label; | |
| 54 | }; | |
| 55 | ||
| 56 | ||
| 57 | struct samsung_usb2_phy_config { | |
| 58 | const struct samsung_usb2_common_phy *phys; | |
| 59 | int (*rate_to_clk)(unsigned long, u32 *); | |
| 60 | unsigned int num_phys; | |
| 61 | bool has_mode_switch; | |
| 62 | }; | |
| 63 | ||
| 949ccc3a | 64 | extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config; |
| 06fb0137 KD |
65 | extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config; |
| 66 | extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config; | |
| 64bf2b23 | 67 | extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config; |
| 06fb0137 | 68 | #endif |