linux/drivers/phy/rockchip/phy-rockchip-dphy-rx0.c

// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
/*
 * Rockchip MIPI Synopsys DPHY RX0 driver
 *
 * Copyright (C) 2019 Collabora, Ltd.
 *
 * Based on:
 *
 * drivers/media/platform/rockchip/isp1/mipi_dphy_sy.c
 * in https://chromium.googlesource.com/chromiumos/third_party/kernel,
 * chromeos-4.4 branch.
 *
 * Copyright (C) 2017 Fuzhou Rockchip Electronics Co., Ltd.
 *   Jacob Chen <[email protected]>
 *   Shunqian Zheng <[email protected]>
 */

#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/phy/phy.h>
#include <linux/phy/phy-mipi-dphy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

#define RK3399_GRF_SOC_CON9 …
#define RK3399_GRF_SOC_CON21 …
#define RK3399_GRF_SOC_CON22 …
#define RK3399_GRF_SOC_CON23 …
#define RK3399_GRF_SOC_CON24 …
#define RK3399_GRF_SOC_CON25 …
#define RK3399_GRF_SOC_STATUS1 …

#define CLOCK_LANE_HS_RX_CONTROL …
#define LANE0_HS_RX_CONTROL …
#define LANE1_HS_RX_CONTROL …
#define LANE2_HS_RX_CONTROL …
#define LANE3_HS_RX_CONTROL …
#define LANES_THS_SETTLE_CONTROL …
#define THS_SETTLE_COUNTER_THRESHOLD …

struct hsfreq_range { … };

static const struct hsfreq_range rk3399_mipidphy_hsfreq_ranges[] = …;

static const char * const rk3399_mipidphy_clks[] = …;

enum dphy_reg_id { … };

struct dphy_reg { … };

#define PHY_REG(_offset, _width, _shift) …

static const struct dphy_reg rk3399_grf_dphy_regs[] = …;

struct rk_dphy_drv_data { … };

struct rk_dphy { … };

static inline void rk_dphy_write_grf(struct rk_dphy *priv,
				     unsigned int index, u8 value)
{ … }

static void rk_dphy_write(struct rk_dphy *priv, u8 test_code, u8 test_data)
{ … }

static void rk_dphy_enable(struct rk_dphy *priv)
{ … }

static int rk_dphy_configure(struct phy *phy, union phy_configure_opts *opts)
{ … }

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

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

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

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

static const struct phy_ops rk_dphy_ops = …;

static const struct rk_dphy_drv_data rk3399_mipidphy_drv_data = …;

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

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

static struct platform_driver rk_dphy_driver = …;
module_platform_driver(…) …;

MODULE_AUTHOR(…) …;
MODULE_DESCRIPTION(…) …;
MODULE_LICENSE(…) …;