Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 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> |
Marek Szyprowski | a007ddb | 2015-08-21 14:38:37 +0200 | [diff] [blame] | 20 | #include <linux/regulator/consumer.h> |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 21 | |
| 22 | #define KHZ 1000 |
| 23 | #define MHZ (KHZ * KHZ) |
| 24 | |
| 25 | struct samsung_usb2_phy_driver; |
| 26 | struct samsung_usb2_phy_instance; |
| 27 | struct samsung_usb2_phy_config; |
| 28 | |
| 29 | struct samsung_usb2_phy_instance { |
| 30 | const struct samsung_usb2_common_phy *cfg; |
| 31 | struct phy *phy; |
| 32 | struct samsung_usb2_phy_driver *drv; |
Kamil Debski | 57416c2 | 2014-07-01 17:15:54 +0200 | [diff] [blame] | 33 | int int_cnt; |
| 34 | int ext_cnt; |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 35 | }; |
| 36 | |
| 37 | struct samsung_usb2_phy_driver { |
| 38 | const struct samsung_usb2_phy_config *cfg; |
| 39 | struct clk *clk; |
| 40 | struct clk *ref_clk; |
Marek Szyprowski | a007ddb | 2015-08-21 14:38:37 +0200 | [diff] [blame] | 41 | struct regulator *vbus; |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 42 | unsigned long ref_rate; |
| 43 | u32 ref_reg_val; |
| 44 | struct device *dev; |
| 45 | void __iomem *reg_phy; |
| 46 | struct regmap *reg_pmu; |
| 47 | struct regmap *reg_sys; |
| 48 | spinlock_t lock; |
| 49 | struct samsung_usb2_phy_instance instances[0]; |
| 50 | }; |
| 51 | |
| 52 | struct samsung_usb2_common_phy { |
| 53 | int (*power_on)(struct samsung_usb2_phy_instance *); |
| 54 | int (*power_off)(struct samsung_usb2_phy_instance *); |
| 55 | unsigned int id; |
| 56 | char *label; |
| 57 | }; |
| 58 | |
| 59 | |
| 60 | struct samsung_usb2_phy_config { |
| 61 | const struct samsung_usb2_common_phy *phys; |
| 62 | int (*rate_to_clk)(unsigned long, u32 *); |
| 63 | unsigned int num_phys; |
| 64 | bool has_mode_switch; |
Marek Szyprowski | 016e0d3 | 2014-07-07 11:39:26 +0200 | [diff] [blame] | 65 | bool has_refclk_sel; |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 66 | }; |
| 67 | |
Marek Szyprowski | 016e0d3 | 2014-07-07 11:39:26 +0200 | [diff] [blame] | 68 | extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config; |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 69 | extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config; |
| 70 | extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config; |
Kamil Debski | 64bf2b2 | 2014-03-06 12:16:49 +0100 | [diff] [blame] | 71 | extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config; |
Linus Torvalds | b3345d7 | 2014-08-08 11:14:29 -0700 | [diff] [blame] | 72 | extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config; |
Kamil Debski | 06fb013 | 2014-03-06 12:16:48 +0100 | [diff] [blame] | 73 | #endif |