mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-04 03:36:41 +07:00
64bf2b2369
Add support for Exynos 5250. This driver is to replace the old USB 2.0 PHY driver. Signed-off-by: Kamil Debski <k.debski@samsung.com> Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
68 lines
1.7 KiB
C
68 lines
1.7 KiB
C
/*
|
|
* Samsung SoC USB 1.1/2.0 PHY driver
|
|
*
|
|
* Copyright (C) 2013 Samsung Electronics Co., Ltd.
|
|
* Author: Kamil Debski <k.debski@samsung.com>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#ifndef _PHY_EXYNOS_USB2_H
|
|
#define _PHY_EXYNOS_USB2_H
|
|
|
|
#include <linux/clk.h>
|
|
#include <linux/phy/phy.h>
|
|
#include <linux/device.h>
|
|
#include <linux/regmap.h>
|
|
#include <linux/spinlock.h>
|
|
|
|
#define KHZ 1000
|
|
#define MHZ (KHZ * KHZ)
|
|
|
|
struct samsung_usb2_phy_driver;
|
|
struct samsung_usb2_phy_instance;
|
|
struct samsung_usb2_phy_config;
|
|
|
|
struct samsung_usb2_phy_instance {
|
|
const struct samsung_usb2_common_phy *cfg;
|
|
struct phy *phy;
|
|
struct samsung_usb2_phy_driver *drv;
|
|
bool enabled;
|
|
};
|
|
|
|
struct samsung_usb2_phy_driver {
|
|
const struct samsung_usb2_phy_config *cfg;
|
|
struct clk *clk;
|
|
struct clk *ref_clk;
|
|
unsigned long ref_rate;
|
|
u32 ref_reg_val;
|
|
struct device *dev;
|
|
void __iomem *reg_phy;
|
|
struct regmap *reg_pmu;
|
|
struct regmap *reg_sys;
|
|
spinlock_t lock;
|
|
struct samsung_usb2_phy_instance instances[0];
|
|
};
|
|
|
|
struct samsung_usb2_common_phy {
|
|
int (*power_on)(struct samsung_usb2_phy_instance *);
|
|
int (*power_off)(struct samsung_usb2_phy_instance *);
|
|
unsigned int id;
|
|
char *label;
|
|
};
|
|
|
|
|
|
struct samsung_usb2_phy_config {
|
|
const struct samsung_usb2_common_phy *phys;
|
|
int (*rate_to_clk)(unsigned long, u32 *);
|
|
unsigned int num_phys;
|
|
bool has_mode_switch;
|
|
};
|
|
|
|
extern const struct samsung_usb2_phy_config exynos4210_usb2_phy_config;
|
|
extern const struct samsung_usb2_phy_config exynos4x12_usb2_phy_config;
|
|
extern const struct samsung_usb2_phy_config exynos5250_usb2_phy_config;
|
|
#endif
|