2 * Samsung SoC USB 1.1/2.0 PHY driver
4 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
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.
12 #ifndef _PHY_EXYNOS_USB2_H
13 #define _PHY_EXYNOS_USB2_H
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 #include <linux/regulator/consumer.h>
23 #define MHZ (KHZ * KHZ)
25 struct samsung_usb2_phy_driver;
26 struct samsung_usb2_phy_instance;
27 struct samsung_usb2_phy_config;
29 struct samsung_usb2_phy_instance {
30 const struct samsung_usb2_common_phy *cfg;
32 struct samsung_usb2_phy_driver *drv;
37 struct samsung_usb2_phy_driver {
38 const struct samsung_usb2_phy_config *cfg;
41 struct regulator *vbus;
42 unsigned long ref_rate;
45 void __iomem *reg_phy;
46 struct regmap *reg_pmu;
47 struct regmap *reg_sys;
49 struct samsung_usb2_phy_instance instances[0];
52 struct samsung_usb2_common_phy {
53 int (*power_on)(struct samsung_usb2_phy_instance *);
54 int (*power_off)(struct samsung_usb2_phy_instance *);
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;
68 extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config;
69 extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
70 extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
71 extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
72 extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config;