linux/drivers/phy/samsung/phy-samsung-ufs.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * UFS PHY driver for Samsung SoC
 *
 * Copyright (C) 2020 Samsung Electronics Co., Ltd.
 * Author: Seungwon Jeon <[email protected]>
 * Author: Alim Akhtar <[email protected]>
 *
 */
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/of.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/module.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/soc/samsung/exynos-pmu.h>

#include "phy-samsung-ufs.h"

#define for_each_phy_lane(phy, i) …
#define for_each_phy_cfg(cfg) …

#define PHY_DEF_LANE_CNT …

static void samsung_ufs_phy_config(struct samsung_ufs_phy *phy,
				   const struct samsung_ufs_phy_cfg *cfg,
				   u8 lane)
{ … }

int samsung_ufs_phy_wait_for_lock_acq(struct phy *phy, u8 lane)
{ … }

static int samsung_ufs_phy_calibrate(struct phy *phy)
{ … }

static int samsung_ufs_phy_clks_init(struct samsung_ufs_phy *phy)
{ … }

static int samsung_ufs_phy_init(struct phy *phy)
{ … }

static int samsung_ufs_phy_power_on(struct phy *phy)
{ … }

static int samsung_ufs_phy_power_off(struct phy *phy)
{ … }

static int samsung_ufs_phy_set_mode(struct phy *generic_phy,
				    enum phy_mode mode, int submode)
{ … }

static int samsung_ufs_phy_exit(struct phy *phy)
{ … }

static const struct phy_ops samsung_ufs_phy_ops = …;

static const struct of_device_id samsung_ufs_phy_match[];

static int samsung_ufs_phy_probe(struct platform_device *pdev)
{ … }

static const struct of_device_id samsung_ufs_phy_match[] = …;
MODULE_DEVICE_TABLE(of, samsung_ufs_phy_match);

static struct platform_driver samsung_ufs_phy_driver = …;
module_platform_driver(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;