1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
---|---|
2 | /* |
3 | * Samsung SoC USB 1.1/2.0 PHY driver |
4 | * |
5 | * Copyright (C) 2013 Samsung Electronics Co., Ltd. |
6 | * Author: Kamil Debski <k.debski@samsung.com> |
7 | */ |
8 | |
9 | #ifndef _PHY_EXYNOS_USB2_H |
10 | #define _PHY_EXYNOS_USB2_H |
11 | |
12 | #include <linux/clk.h> |
13 | #include <linux/phy/phy.h> |
14 | #include <linux/device.h> |
15 | #include <linux/regmap.h> |
16 | #include <linux/spinlock.h> |
17 | #include <linux/regulator/consumer.h> |
18 | |
19 | #define KHZ 1000 |
20 | #define MHZ (KHZ * KHZ) |
21 | |
22 | struct samsung_usb2_phy_driver; |
23 | struct samsung_usb2_phy_instance; |
24 | struct samsung_usb2_phy_config; |
25 | |
26 | struct samsung_usb2_phy_instance { |
27 | const struct samsung_usb2_common_phy *cfg; |
28 | struct phy *phy; |
29 | struct samsung_usb2_phy_driver *drv; |
30 | int int_cnt; |
31 | int ext_cnt; |
32 | }; |
33 | |
34 | struct samsung_usb2_phy_driver { |
35 | const struct samsung_usb2_phy_config *cfg; |
36 | struct clk *clk; |
37 | struct clk *ref_clk; |
38 | struct regulator *vbus; |
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[]; |
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 | bool has_refclk_sel; |
63 | }; |
64 | |
65 | extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config; |
66 | extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config; |
67 | extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config; |
68 | extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config; |
69 | extern const struct samsung_usb2_phy_config exynos5420_usb2_phy_config; |
70 | extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config; |
71 | #endif |
72 |