1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Samsung SoC USB 1.1/2.0 PHY driver
5 * Copyright (C) 2013 Samsung Electronics Co., Ltd.
6 * Author: Kamil Debski <k.debski@samsung.com>
9 #ifndef _PHY_EXYNOS_USB2_H
10 #define _PHY_EXYNOS_USB2_H
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>
20 #define MHZ (KHZ * KHZ)
22 struct samsung_usb2_phy_driver;
23 struct samsung_usb2_phy_instance;
24 struct samsung_usb2_phy_config;
26 struct samsung_usb2_phy_instance {
27 const struct samsung_usb2_common_phy *cfg;
29 struct samsung_usb2_phy_driver *drv;
34 struct samsung_usb2_phy_driver {
35 const struct samsung_usb2_phy_config *cfg;
38 struct regulator *vbus;
39 unsigned long ref_rate;
42 void __iomem *reg_phy;
43 struct regmap *reg_pmu;
44 struct regmap *reg_sys;
46 struct samsung_usb2_phy_instance instances[];
49 struct samsung_usb2_common_phy {
50 int (*power_on)(struct samsung_usb2_phy_instance *);
51 int (*power_off)(struct samsung_usb2_phy_instance *);
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;
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 s5pv210_usb2_phy_config;