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v6.2
 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
22struct samsung_usb2_phy_driver;
23struct samsung_usb2_phy_instance;
24struct samsung_usb2_phy_config;
25
26struct 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
34struct 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
49struct 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
57struct 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
65extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config;
66extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
67extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
68extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
69extern const struct samsung_usb2_phy_config exynos5420_usb2_phy_config;
70extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config;
71#endif
v4.17
 
 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>
20#include <linux/regulator/consumer.h>
21
22#define KHZ 1000
23#define MHZ (KHZ * KHZ)
24
25struct samsung_usb2_phy_driver;
26struct samsung_usb2_phy_instance;
27struct samsung_usb2_phy_config;
28
29struct samsung_usb2_phy_instance {
30	const struct samsung_usb2_common_phy *cfg;
31	struct phy *phy;
32	struct samsung_usb2_phy_driver *drv;
33	int int_cnt;
34	int ext_cnt;
35};
36
37struct samsung_usb2_phy_driver {
38	const struct samsung_usb2_phy_config *cfg;
39	struct clk *clk;
40	struct clk *ref_clk;
41	struct regulator *vbus;
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
52struct 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
60struct 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;
65	bool has_refclk_sel;
66};
67
68extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config;
69extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
70extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
71extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
 
72extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config;
73#endif