path: root/drivers/phy/m31/phy-m31-dphy-tx0.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 <jacob2.chen@rock-chips.com>
 *   Shunqian Zheng <zhengsq@rock-chips.com>
 */

#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/of_device.h>
#include <linux/phy/phy.h>
#include <linux/phy/phy-mipi-dphy.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>

//syscfg registers
#define SCFG_DSI_CSI_SEL	        0x2c
#define SCFG_PHY_RESETB	            0x30
#define SCFG_REFCLK_SEL	            0x34
#define SCFG_DBUS_PW_PLL_SSC_LD0	0x38
#define SCFG_GRS_CDTX_PLL       	0x3c

#define SCFG_RG_CDTX_PLL_FBK_PRE	0x44
#define SCFG_RG_CLANE_DLANE_TIME   	0x58
#define SCFG_RG_CLANE_HS_TIME   	0x58

#define SCFG_RG_EXTD_CYCLE_SEL   	0x5c

#define SCFG_L0N_L0P_HSTX	        0x60
#define SCFG_L1N_L1P_HSTX	        0x64
#define SCFG_L2N_L2P_HSTX	        0x68
#define SCFG_L3N_L3P_HSTX	        0x6c
#define SCFG_L4N_L4P_HSTX	        0x70
#define SCFG_LX_SWAP_SEL	        0x78

#define SCFG_HS_PRE_ZERO_T_D	    0xc4
#define SCFG_TXREADY_SRC_SEL_D	    0xc8
#define SCFG_HS_PRE_ZERO_T_C	    0xd4
#define SCFG_TXREADY_SRC_SEL_C	    0xd8

//reg SCFG_LX_SWAP_SEL
#define	OFFSET_CFG_L0_SWAP_SEL 	0
#define	OFFSET_CFG_L1_SWAP_SEL 	3
#define	OFFSET_CFG_L2_SWAP_SEL 	6
#define	OFFSET_CFG_L3_SWAP_SEL 	9
#define OFFSET_CFG_L4_SWAP_SEL 	12

//reg SCFG_DBUS_PW_PLL_SSC_LD0
#define OFFSET_SCFG_CFG_DATABUD16_SEL    0
#define OFFSET_SCFG_PWRON_READY_N        1
#define OFFSET_RG_CDTX_PLL_FM_EN         2
#define OFFSET_SCFG_PLLSSC_EN            3
#define OFFSET_RG_CDTX_PLL_LDO_STB_X2_EN 4

//reg SCFG_RG_CLANE_DLANE_TIME
#define OFFSET_DHS_PRE_TIME          8
#define OFFSET_DHS_TRIAL_TIME        16
#define OFFSET_DHS_ZERO_TIME         24

//reg SCFG_RG_CLANE_HS_TIME
#define OFFSET_CHS_PRE_TIME          8
#define OFFSET_CHS_TRIAL_TIME        16
#define OFFSET_CHS_ZERO_TIME         24

//dsitx registers
#define  VID_MCTL_MAIN_DATA_CTL	        0x04
#define  VID_MCTL_MAIN_PHY_CTL	        0x08
#define  VID_MCTL_MAIN_EN	            0x0c
#define  VID_MAIN_CTRL_ADDR    0xb0
#define  VID_VSIZE1_ADDR       0xb4
#define  VID_VSIZE2_ADDR       0xb8
#define  VID_HSIZE1_ADDR       0xc0
#define  VID_HSIZE2_ADDR       0xc4
#define  VID_BLKSIZE1_ADDR     0xCC
#define  VID_BLKSIZE2_ADDR     0xd0
#define  VID_PCK_TIME_ADDR     0xd8
#define  VID_DPHY_TIME_ADDR    0xdc
#define  VID_ERR_COLOR1_ADDR   0xe0
#define  VID_ERR_COLOR2_ADDR   0xe4
#define  VID_VPOS_ADDR         0xe8
#define  VID_HPOS_ADDR         0xec
#define  VID_MODE_STAT_ADDR    0xf0
#define  VID_VCA_SET1_ADDR     0xf4
#define  VID_VCA_SET2_ADDR     0xf8


#define  VID_MODE_STAT_CLR_ADDR    0x160
#define  VID_MODE_STAT_FLAG_ADDR   0x180

#define  TVG_CTRL_ADDR      0x0fc
#define  TVG_IMG_SIZE_ADDR  0x100
#define  TVG_COLOR1_ADDR    0x104
#define  TVG_COLOR1BIT_ADDR 0x108
#define  TVG_COLOR2_ADDR    0x10c
#define  TVG_COLOR2BIT_ADDR 0x110
#define  TVG_STAT_ADDR      0x114
#define  TVG_STAT_CTRL_ADDR 0x144
#define  TVG_STAT_CLR_ADDR  0x164
#define  TVG_STAT_FLAG_ADDR 0x184

#define  DPI_IRQ_EN_ADDR   0x1a0
#define  DPI_IRQ_CLR_ADDR  0x1a4
#define  DPI_IRQ_STAT_ADDR 0x1a4
#define  DPI_CFG_ADDR      0x1ac


//sysrst registers
#define SRST_ASSERT0	    0x00
#define SRST_STATUS0    	0x04
/* Definition controller bit for syd rst registers */
#define BIT_RST_DSI_DPI_PIX		17

struct sf_dphy {
	struct device *dev;
	void __iomem *topsys;

	struct clk_bulk_data *clks;

	struct phy_configure_opts_mipi_dphy config;

	u8 hsfreq;

	struct phy *phy;
};

static u32 top_sys_read32(struct sf_dphy *priv, u32 reg)
{
	return ioread32(priv->topsys + reg);
}


static inline void top_sys_write32(struct sf_dphy *priv, u32 reg, u32 val)
{
	iowrite32(val, priv->topsys + reg);
}

static void dsi_csi2tx_sel(struct sf_dphy *priv, int sel)
{
  u32 temp = 0;
  temp = top_sys_read32(priv, SCFG_DSI_CSI_SEL);
  temp &= ~(0x1);
  temp |= (sel & 0x1);
  top_sys_write32(priv, SCFG_DSI_CSI_SEL, temp);
}

static void dphy_clane_hs_txready_sel(struct sf_dphy *priv, u32 ready_sel)
{
	top_sys_write32(priv, SCFG_TXREADY_SRC_SEL_D, ready_sel);
	top_sys_write32(priv, SCFG_TXREADY_SRC_SEL_C, ready_sel);
	top_sys_write32(priv, SCFG_HS_PRE_ZERO_T_D, 0x30);
	top_sys_write32(priv, SCFG_HS_PRE_ZERO_T_C, 0x30);
}

static void mipi_tx_lxn_set(struct sf_dphy *priv, u32 reg, u32 n_hstx, u32 p_hstx)
{
	u32 temp = 0;

	temp = n_hstx;
	temp |= p_hstx << 5;
	top_sys_write32(priv, reg, temp);
}

static void dphy_config(struct sf_dphy *priv, int bit_rate)
{
	int pre_div,      fbk_int,       extd_cycle_sel;
	int dhs_pre_time, dhs_zero_time, dhs_trial_time;
	int chs_pre_time, chs_zero_time, chs_trial_time;
	int chs_clk_pre_time, chs_clk_post_time;
	u32 set_val = 0;

	mipi_tx_lxn_set(priv, SCFG_L0N_L0P_HSTX, 0x10, 0x10);
	mipi_tx_lxn_set(priv, SCFG_L1N_L1P_HSTX, 0x10, 0x10);
	mipi_tx_lxn_set(priv, SCFG_L2N_L2P_HSTX, 0x10, 0x10);
	mipi_tx_lxn_set(priv, SCFG_L3N_L3P_HSTX, 0x10, 0x10);
	mipi_tx_lxn_set(priv, SCFG_L4N_L4P_HSTX, 0x10, 0x10);

	if(bit_rate == 80) {
		pre_div=0x1,		fbk_int=2*0x33,		extd_cycle_sel=0x4,
		dhs_pre_time=0xe,	dhs_zero_time=0x1d,	dhs_trial_time=0x15,
		chs_pre_time=0x5,	chs_zero_time=0x2b,	chs_trial_time=0xd,
		chs_clk_pre_time=0xf,
		chs_clk_post_time=0x71;
	} else if (bit_rate == 100) {
		pre_div=0x1,		fbk_int=2*0x40,		extd_cycle_sel=0x4,
		dhs_pre_time=0x10,	dhs_zero_time=0x21,	dhs_trial_time=0x17,
		chs_pre_time=0x7,	chs_zero_time=0x35,	chs_trial_time=0xf,
		chs_clk_pre_time=0xf,
		chs_clk_post_time=0x73;
	} else if (bit_rate == 200) {
		pre_div=0x1,		fbk_int=2*0x40,		extd_cycle_sel=0x3;
		dhs_pre_time=0xc,	dhs_zero_time=0x1b,	dhs_trial_time=0x13;
		chs_pre_time=0x7,	chs_zero_time=0x35,	chs_trial_time=0xf,
		chs_clk_pre_time=0x7,
		chs_clk_post_time=0x3f;
	} else if(bit_rate == 300) {
		pre_div=0x1,		fbk_int=2*0x60, 	extd_cycle_sel=0x3,
		dhs_pre_time=0x11,	dhs_zero_time=0x25, dhs_trial_time=0x19,
		chs_pre_time=0xa, 	chs_zero_time=0x50, chs_trial_time=0x15,
		chs_clk_pre_time=0x7,
		chs_clk_post_time=0x45;
    } else if(bit_rate == 400) {
		pre_div=0x1,      	fbk_int=2*0x40,		extd_cycle_sel=0x2,
		dhs_pre_time=0xa, 	dhs_zero_time=0x18,	dhs_trial_time=0x11,
		chs_pre_time=0x7, 	chs_zero_time=0x35, chs_trial_time=0xf,
		chs_clk_pre_time=0x3,
		chs_clk_post_time=0x25;
    } else if(bit_rate == 500 ) {
		pre_div=0x1,      fbk_int=2*0x50,       extd_cycle_sel=0x2,
		dhs_pre_time=0xc, dhs_zero_time=0x1d,	dhs_trial_time=0x14,
		chs_pre_time=0x9, chs_zero_time=0x42,	chs_trial_time=0x12,
		chs_clk_pre_time=0x3,
		chs_clk_post_time=0x28;
    } else if(bit_rate == 600 ) {
		pre_div=0x1,      fbk_int=2*0x60,       extd_cycle_sel=0x2,
		dhs_pre_time=0xe, dhs_zero_time=0x23,	dhs_trial_time=0x17,
		chs_pre_time=0xa, chs_zero_time=0x50,	chs_trial_time=0x15,
		chs_clk_pre_time=0x3,
		chs_clk_post_time=0x2b;
    } else if(bit_rate == 700) {
		pre_div=0x1,      fbk_int=2*0x38,       extd_cycle_sel=0x1,
		dhs_pre_time=0x8, dhs_zero_time=0x14,	dhs_trial_time=0xf,
		chs_pre_time=0x6, chs_zero_time=0x2f,	chs_trial_time=0xe,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x16;
    } else if(bit_rate == 800 ) {
		pre_div=0x1,      fbk_int=2*0x40,       extd_cycle_sel=0x1,
		dhs_pre_time=0x9, dhs_zero_time=0x17,	dhs_trial_time=0x10,
		chs_pre_time=0x7, chs_zero_time=0x35,	chs_trial_time=0xf,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x18;
    } else if(bit_rate == 900 ) {
		pre_div=0x1,      fbk_int=2*0x48,       extd_cycle_sel=0x1,
		dhs_pre_time=0xa, dhs_zero_time=0x19, 	dhs_trial_time=0x12,
		chs_pre_time=0x8, chs_zero_time=0x3c, 	chs_trial_time=0x10,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x19;
    } else if(bit_rate == 1000) {
		pre_div=0x1,      fbk_int=2*0x50,       extd_cycle_sel=0x1,
		dhs_pre_time=0xb, dhs_zero_time=0x1c,	dhs_trial_time=0x13,
		chs_pre_time=0x9, chs_zero_time=0x42,	chs_trial_time=0x12,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x1b;
    } else if(bit_rate == 1100) {
		pre_div=0x1,      fbk_int=2*0x58,       extd_cycle_sel=0x1,
		dhs_pre_time=0xc, dhs_zero_time=0x1e,	dhs_trial_time=0x15,
		chs_pre_time=0x9, chs_zero_time=0x4a,	chs_trial_time=0x14,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x1d;
    } else if(bit_rate == 1200) {
		pre_div=0x1,      fbk_int=2*0x60,       extd_cycle_sel=0x1,
		dhs_pre_time=0xe, dhs_zero_time=0x20,	dhs_trial_time=0x16,
		chs_pre_time=0xa, chs_zero_time=0x50,	chs_trial_time=0x15,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x1e;
    } else if(bit_rate == 1300) {
		pre_div=0x1,      fbk_int=2*0x34,       extd_cycle_sel=0x0,
		dhs_pre_time=0x7, dhs_zero_time=0x12,	dhs_trial_time=0xd,
		chs_pre_time=0x5, chs_zero_time=0x2c,	chs_trial_time=0xd,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0xf;
    } else if(bit_rate == 1400) {
		pre_div=0x1,      fbk_int=2*0x38,       extd_cycle_sel=0x0,
		dhs_pre_time=0x7, dhs_zero_time=0x14,	dhs_trial_time=0xe,
		chs_pre_time=0x6, chs_zero_time=0x2f,	chs_trial_time=0xe,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x10;
    } else if(bit_rate == 1500) {
		pre_div=0x1,      fbk_int=2*0x3c,       extd_cycle_sel=0x0,
		dhs_pre_time=0x8, dhs_zero_time=0x14,	dhs_trial_time=0xf,
		chs_pre_time=0x6, chs_zero_time=0x32,	chs_trial_time=0xe,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x11;
    } else if(bit_rate == 1600) {
		pre_div=0x1,      fbk_int=2*0x40,       extd_cycle_sel=0x0,
		dhs_pre_time=0x9, dhs_zero_time=0x15,	dhs_trial_time=0x10,
		chs_pre_time=0x7, chs_zero_time=0x35,	chs_trial_time=0xf,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x12;
    } else if(bit_rate == 1700) {
		pre_div=0x1,      fbk_int=2*0x44,       extd_cycle_sel=0x0,
		dhs_pre_time=0x9, dhs_zero_time=0x17,	dhs_trial_time=0x10,
		chs_pre_time=0x7, chs_zero_time=0x39,	chs_trial_time=0x10,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x12;
    } else if(bit_rate == 1800) {
		pre_div=0x1,      fbk_int=2*0x48,       extd_cycle_sel=0x0,
		dhs_pre_time=0xa, dhs_zero_time=0x18,	dhs_trial_time=0x11,
		chs_pre_time=0x8, chs_zero_time=0x3c,	chs_trial_time=0x10,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x13;
    } else if(bit_rate == 1900) {
		pre_div=0x1,      fbk_int=2*0x4c,       extd_cycle_sel=0x0,
		dhs_pre_time=0xa, dhs_zero_time=0x1a,	dhs_trial_time=0x12,
		chs_pre_time=0x8, chs_zero_time=0x3f,	chs_trial_time=0x11,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x14;
    } else if(bit_rate == 2000) {
		pre_div=0x1,      fbk_int=2*0x50,       extd_cycle_sel=0x0,
		dhs_pre_time=0xb, dhs_zero_time=0x1b,	dhs_trial_time=0x13,
		chs_pre_time=0x9, chs_zero_time=0x42,	chs_trial_time=0x12,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x15;
    } else if(bit_rate == 2100) {
		pre_div=0x1,      fbk_int=2*0x54,       extd_cycle_sel=0x0,
		dhs_pre_time=0xb, dhs_zero_time=0x1c,	dhs_trial_time=0x13,
		chs_pre_time=0x9, chs_zero_time=0x46,	chs_trial_time=0x13,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x15;
    } else if(bit_rate == 2200) {
		pre_div=0x1,      fbk_int=2*0x5b,       extd_cycle_sel=0x0,
		dhs_pre_time=0xc, dhs_zero_time=0x1d,	dhs_trial_time=0x14,
		chs_pre_time=0x9, chs_zero_time=0x4a,	chs_trial_time=0x14,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x16;
    } else if(bit_rate == 2300) {
		pre_div=0x1,      fbk_int=2*0x5c,       extd_cycle_sel=0x0,
		dhs_pre_time=0xc, dhs_zero_time=0x1f,	dhs_trial_time=0x15,
		chs_pre_time=0xa, chs_zero_time=0x4c,	chs_trial_time=0x14,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x17;
    } else if(bit_rate == 2400) {
		pre_div=0x1,      fbk_int=2*0x60,       extd_cycle_sel=0x0,
		dhs_pre_time=0xd, dhs_zero_time=0x20,	dhs_trial_time=0x16,
		chs_pre_time=0xa, chs_zero_time=0x50,	chs_trial_time=0x15,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x18;
    } else if(bit_rate == 2500) {
		pre_div=0x1,      fbk_int=2*0x64,       extd_cycle_sel=0x0,
		dhs_pre_time=0xe, dhs_zero_time=0x21,	dhs_trial_time=0x16,
		chs_pre_time=0xb, chs_zero_time=0x53,	chs_trial_time=0x16,
		chs_clk_pre_time=0x0,
		chs_clk_post_time=0x18;
    } else {
		//default bit_rate == 700
		pre_div=0x1,      fbk_int=2*0x38,       extd_cycle_sel=0x1,
		dhs_pre_time=0x8, dhs_zero_time=0x14,	dhs_trial_time=0xf,
		chs_pre_time=0x6, chs_zero_time=0x2f,	chs_trial_time=0xe,
		chs_clk_pre_time=0x1,
		chs_clk_post_time=0x16;
    }
	top_sys_write32(priv, SCFG_REFCLK_SEL, 0x3);

	set_val = 0
			| (1 << OFFSET_CFG_L1_SWAP_SEL)
			| (4 << OFFSET_CFG_L2_SWAP_SEL)
			| (2 << OFFSET_CFG_L3_SWAP_SEL)
			| (3 << OFFSET_CFG_L4_SWAP_SEL);
	top_sys_write32(priv, SCFG_LX_SWAP_SEL, set_val);

	set_val = 0
			| (0 << OFFSET_SCFG_PWRON_READY_N)
			| (1 << OFFSET_RG_CDTX_PLL_FM_EN)
			| (0 << OFFSET_SCFG_PLLSSC_EN)
			| (1 << OFFSET_RG_CDTX_PLL_LDO_STB_X2_EN);
	top_sys_write32(priv, SCFG_DBUS_PW_PLL_SSC_LD0, set_val);

	set_val = fbk_int
			| (pre_div << 9);
	top_sys_write32(priv, SCFG_RG_CDTX_PLL_FBK_PRE, set_val);

	top_sys_write32(priv, SCFG_RG_EXTD_CYCLE_SEL, extd_cycle_sel);

	set_val = chs_zero_time
			| (dhs_pre_time << OFFSET_DHS_PRE_TIME)
			| (dhs_trial_time << OFFSET_DHS_TRIAL_TIME)
			| (dhs_zero_time << OFFSET_DHS_ZERO_TIME);
	top_sys_write32(priv, SCFG_RG_CLANE_DLANE_TIME, set_val);

	set_val = chs_clk_post_time
			| (chs_clk_pre_time << OFFSET_CHS_PRE_TIME)
			| (chs_pre_time << OFFSET_CHS_TRIAL_TIME)
			| (chs_trial_time << OFFSET_CHS_ZERO_TIME);
	top_sys_write32(priv, SCFG_RG_CLANE_HS_TIME, set_val);

}

static void reset_dphy(struct sf_dphy *priv, int resetb)
{
	u32 cfg_dsc_enable = 0x01;//bit0

	u32 precfg = top_sys_read32(priv, SCFG_PHY_RESETB);
	precfg &= ~(cfg_dsc_enable);
	precfg |= (resetb&cfg_dsc_enable);
	top_sys_write32(priv, SCFG_PHY_RESETB, precfg);
}

static void polling_dphy_lock(struct sf_dphy *priv)
{
	int pll_unlock;

	udelay(10);

	do {
		pll_unlock = top_sys_read32(priv, SCFG_GRS_CDTX_PLL) >> 3;
		pll_unlock &= 0x1;
	} while(pll_unlock == 0x1);
}

static int sf_dphy_configure(struct phy *phy, union phy_configure_opts *opts)
{
	struct sf_dphy *dphy = phy_get_drvdata(phy);
	uint32_t bit_rate = 800000000/1000000UL;//new mipi panel clock setting


	dphy_config(dphy, bit_rate);
	reset_dphy(dphy, 1);
	mdelay(10);
	polling_dphy_lock(dphy);

	return 0;
}

static int sf_dphy_power_on(struct phy *phy)
{
	return 0;
}

static int sf_dphy_power_off(struct phy *phy)
{
	return 0;
}

static int sf_dphy_init(struct phy *phy)
{
	struct sf_dphy *dphy = phy_get_drvdata(phy);

	dsi_csi2tx_sel(dphy, 0);
	dphy_clane_hs_txready_sel(dphy, 0x1);

	return 0;
}

static int sf_dphy_validate(struct phy *phy, enum phy_mode mode, int submode,
			union phy_configure_opts *opts)
{
	return 0;
}

static int sf_dphy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
{
	return 0;
}


static int sf_dphy_exit(struct phy *phy)
{
	return 0;
}

static const struct phy_ops sf_dphy_ops = {
	.power_on	= sf_dphy_power_on,
	.power_off	= sf_dphy_power_off,
	.init		= sf_dphy_init,
	.exit		= sf_dphy_exit,
	.configure	= sf_dphy_configure,
	.validate  = sf_dphy_validate,
	.set_mode  = sf_dphy_set_mode,
	.owner		= THIS_MODULE,
};

static const struct of_device_id sf_dphy_dt_ids[] = {
	{
		.compatible = "starfive,jh7100-mipi-dphy-tx",
	},
	{}
};
MODULE_DEVICE_TABLE(of, sf_dphy_dt_ids);

static int sf_dphy_probe(struct platform_device *pdev)
{
	struct phy_provider *phy_provider;
	struct sf_dphy *dphy;
	struct resource *res;
	int ret;
	dphy = devm_kzalloc(&pdev->dev, sizeof(*dphy), GFP_KERNEL);
	if (!dphy)
		return -ENOMEM;
	dev_set_drvdata(&pdev->dev, dphy);

	dev_info(&pdev->dev,"===> %s enter, %d \n", __func__, __LINE__);

	dphy->topsys = ioremap(0x12260000, 0x10000);

	dphy->phy = devm_phy_create(&pdev->dev, NULL, &sf_dphy_ops);
	if (IS_ERR(dphy->phy)) {
		dev_err(&pdev->dev, "failed to create phy\n");
		return PTR_ERR(dphy->phy);
	}
	phy_set_drvdata(dphy->phy, dphy);

	phy_provider = devm_of_phy_provider_register(&pdev->dev, of_phy_simple_xlate);

	return PTR_ERR_OR_ZERO(phy_provider);
}

static struct platform_driver sf_dphy_driver = {
	.probe = sf_dphy_probe,
	.driver = {
		.name	= "sf-mipi-dphy-tx",
		.of_match_table = sf_dphy_dt_ids,
	},
};
module_platform_driver(sf_dphy_driver);

MODULE_AUTHOR("Ezequiel Garcia <ezequiel@collabora.com>");
MODULE_DESCRIPTION("sf MIPI  DPHY TX0 driver");
MODULE_LICENSE("Dual MIT/GPL");