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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> | |
a007ddba | 20 | #include <linux/regulator/consumer.h> |
06fb0137 KD |
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; | |
57416c23 KD |
33 | int int_cnt; |
34 | int ext_cnt; | |
06fb0137 KD |
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; | |
a007ddba | 41 | struct regulator *vbus; |
06fb0137 KD |
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; | |
016e0d3c | 65 | bool has_refclk_sel; |
06fb0137 KD |
66 | }; |
67 | ||
016e0d3c | 68 | extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config; |
06fb0137 KD |
69 | extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config; |
70 | extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config; | |
64bf2b23 | 71 | extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config; |
b3345d7c | 72 | extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config; |
06fb0137 | 73 | #endif |