1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Samsung SoC USB 1.1/2.0 PHY driver 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2013 Samsung Electronics Co., Ltd. 6*4882a593Smuzhiyun * Author: Kamil Debski <k.debski@samsung.com> 7*4882a593Smuzhiyun */ 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #ifndef _PHY_EXYNOS_USB2_H 10*4882a593Smuzhiyun #define _PHY_EXYNOS_USB2_H 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #include <linux/clk.h> 13*4882a593Smuzhiyun #include <linux/phy/phy.h> 14*4882a593Smuzhiyun #include <linux/device.h> 15*4882a593Smuzhiyun #include <linux/regmap.h> 16*4882a593Smuzhiyun #include <linux/spinlock.h> 17*4882a593Smuzhiyun #include <linux/regulator/consumer.h> 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun #define KHZ 1000 20*4882a593Smuzhiyun #define MHZ (KHZ * KHZ) 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun struct samsung_usb2_phy_driver; 23*4882a593Smuzhiyun struct samsung_usb2_phy_instance; 24*4882a593Smuzhiyun struct samsung_usb2_phy_config; 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun struct samsung_usb2_phy_instance { 27*4882a593Smuzhiyun const struct samsung_usb2_common_phy *cfg; 28*4882a593Smuzhiyun struct phy *phy; 29*4882a593Smuzhiyun struct samsung_usb2_phy_driver *drv; 30*4882a593Smuzhiyun int int_cnt; 31*4882a593Smuzhiyun int ext_cnt; 32*4882a593Smuzhiyun }; 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun struct samsung_usb2_phy_driver { 35*4882a593Smuzhiyun const struct samsung_usb2_phy_config *cfg; 36*4882a593Smuzhiyun struct clk *clk; 37*4882a593Smuzhiyun struct clk *ref_clk; 38*4882a593Smuzhiyun struct regulator *vbus; 39*4882a593Smuzhiyun unsigned long ref_rate; 40*4882a593Smuzhiyun u32 ref_reg_val; 41*4882a593Smuzhiyun struct device *dev; 42*4882a593Smuzhiyun void __iomem *reg_phy; 43*4882a593Smuzhiyun struct regmap *reg_pmu; 44*4882a593Smuzhiyun struct regmap *reg_sys; 45*4882a593Smuzhiyun spinlock_t lock; 46*4882a593Smuzhiyun struct samsung_usb2_phy_instance instances[]; 47*4882a593Smuzhiyun }; 48*4882a593Smuzhiyun 49*4882a593Smuzhiyun struct samsung_usb2_common_phy { 50*4882a593Smuzhiyun int (*power_on)(struct samsung_usb2_phy_instance *); 51*4882a593Smuzhiyun int (*power_off)(struct samsung_usb2_phy_instance *); 52*4882a593Smuzhiyun unsigned int id; 53*4882a593Smuzhiyun char *label; 54*4882a593Smuzhiyun }; 55*4882a593Smuzhiyun 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun struct samsung_usb2_phy_config { 58*4882a593Smuzhiyun const struct samsung_usb2_common_phy *phys; 59*4882a593Smuzhiyun int (*rate_to_clk)(unsigned long, u32 *); 60*4882a593Smuzhiyun unsigned int num_phys; 61*4882a593Smuzhiyun bool has_mode_switch; 62*4882a593Smuzhiyun bool has_refclk_sel; 63*4882a593Smuzhiyun }; 64*4882a593Smuzhiyun 65*4882a593Smuzhiyun extern const struct samsung_usb2_phy_config exynos3250_usb2_phy_config; 66*4882a593Smuzhiyun extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config; 67*4882a593Smuzhiyun extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config; 68*4882a593Smuzhiyun extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config; 69*4882a593Smuzhiyun extern const struct samsung_usb2_phy_config s5pv210_usb2_phy_config; 70*4882a593Smuzhiyun #endif 71