drivers/phy/qualcomm/phy-qcom-qmp-usb-legacy.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2017, The Linux Foundation. All rights reserved.
 */

#include <linux/clk.h>
#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/err.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <linux/of_address.h>
#include <linux/phy/phy.h>
#include <linux/platform_device.h>
#include <linux/regulator/consumer.h>
#include <linux/reset.h>
#include <linux/slab.h>

#include "phy-qcom-qmp.h"
#include "phy-qcom-qmp-pcs-misc-v3.h"
#include "phy-qcom-qmp-pcs-usb-v4.h"
#include "phy-qcom-qmp-pcs-usb-v5.h"

/* QPHY_SW_RESET bit */
#define SW_RESET				BIT(0)
/* QPHY_POWER_DOWN_CONTROL */
#define SW_PWRDN				BIT(0)
/* QPHY_START_CONTROL bits */
#define SERDES_START				BIT(0)
#define PCS_START				BIT(1)
/* QPHY_PCS_STATUS bit */
#define PHYSTATUS				BIT(6)

/* QPHY_V3_DP_COM_RESET_OVRD_CTRL register bits */
/* DP PHY soft reset */
#define SW_DPPHY_RESET				BIT(0)
/* mux to select DP PHY reset control, 0:HW control, 1: software reset */
#define SW_DPPHY_RESET_MUX			BIT(1)
/* USB3 PHY soft reset */
#define SW_USB3PHY_RESET			BIT(2)
/* mux to select USB3 PHY reset control, 0:HW control, 1: software reset */
#define SW_USB3PHY_RESET_MUX			BIT(3)

/* QPHY_V3_DP_COM_PHY_MODE_CTRL register bits */
#define USB3_MODE				BIT(0) /* enables USB3 mode */
#define DP_MODE					BIT(1) /* enables DP mode */

/* QPHY_PCS_AUTONOMOUS_MODE_CTRL register bits */
#define ARCVR_DTCT_EN				BIT(0)
#define ALFPS_DTCT_EN				BIT(1)
#define ARCVR_DTCT_EVENT_SEL			BIT(4)

/* QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR register bits */
#define IRQ_CLEAR				BIT(0)

/* QPHY_V3_PCS_MISC_CLAMP_ENABLE register bits */
#define CLAMP_EN				BIT(0) /* enables i/o clamp_n */

#define PHY_INIT_COMPLETE_TIMEOUT		10000

struct qmp_phy_init_tbl {
	unsigned int offset;
	unsigned int val;
	/*
	 * mask of lanes for which this register is written
	 * for cases when second lane needs different values
	 */
	u8 lane_mask;
};

#define QMP_PHY_INIT_CFG(o, v)		\
	{				\
		.offset = o,		\
		.val = v,		\
		.lane_mask = 0xff,	\
	}

#define QMP_PHY_INIT_CFG_LANE(o, v, l)	\
	{				\
		.offset = o,		\
		.val = v,		\
		.lane_mask = l,		\
	}

/* set of registers with offsets different per-PHY */
enum qphy_reg_layout {
	/* PCS registers */
	QPHY_SW_RESET,
	QPHY_START_CTRL,
	QPHY_PCS_STATUS,
	QPHY_PCS_AUTONOMOUS_MODE_CTRL,
	QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
	QPHY_PCS_POWER_DOWN_CONTROL,
	/* Keep last to ensure regs_layout arrays are properly initialized */
	QPHY_LAYOUT_SIZE
};

static const unsigned int qmp_v3_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
	[QPHY_SW_RESET]			= QPHY_V3_PCS_SW_RESET,
	[QPHY_START_CTRL]		= QPHY_V3_PCS_START_CONTROL,
	[QPHY_PCS_STATUS]		= QPHY_V3_PCS_PCS_STATUS,
	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= QPHY_V3_PCS_AUTONOMOUS_MODE_CTRL,
	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V3_PCS_LFPS_RXTERM_IRQ_CLEAR,
	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V3_PCS_POWER_DOWN_CONTROL,
};

static const unsigned int qmp_v4_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
	[QPHY_SW_RESET]			= QPHY_V4_PCS_SW_RESET,
	[QPHY_START_CTRL]		= QPHY_V4_PCS_START_CONTROL,
	[QPHY_PCS_STATUS]		= QPHY_V4_PCS_PCS_STATUS1,
	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V4_PCS_POWER_DOWN_CONTROL,

	/* In PCS_USB */
	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= QPHY_V4_PCS_USB3_AUTONOMOUS_MODE_CTRL,
	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V4_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
};

static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
	[QPHY_SW_RESET]			= QPHY_V5_PCS_SW_RESET,
	[QPHY_START_CTRL]		= QPHY_V5_PCS_START_CONTROL,
	[QPHY_PCS_STATUS]		= QPHY_V5_PCS_PCS_STATUS1,
	[QPHY_PCS_POWER_DOWN_CONTROL]	= QPHY_V5_PCS_POWER_DOWN_CONTROL,

	/* In PCS_USB */
	[QPHY_PCS_AUTONOMOUS_MODE_CTRL]	= QPHY_V5_PCS_USB3_AUTONOMOUS_MODE_CTRL,
	[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V5_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
};

static const struct qmp_phy_init_tbl qmp_v3_usb3_serdes_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0x14),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL2, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x80),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START1_MODE0, 0xab),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START2_MODE0, 0xea),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_DIV_FRAC_START3_MODE0, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE0, 0x06),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE0, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE0, 0x36),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE0, 0x3f),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xc9),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORECLK_DIV_MODE0, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP3_MODE0, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x34),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0x15),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_CFG, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_BUF_ENABLE, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_EN_CENTER, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER1, 0x31),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_PER2, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER1, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_ADJ_PER2, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE1, 0x85),
	QMP_PHY_INIT_CFG(QSERDES_V3_COM_SSC_STEP_SIZE2, 0x07),
};

static const struct qmp_phy_init_tbl qmp_v3_usb3_tx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V3_TX_HIGHZ_DRVR_EN, 0x10),
	QMP_PHY_INIT_CFG(QSERDES_V3_TX_RCV_DETECT_LVL_2, 0x12),
	QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
	QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x06),
};

static const struct qmp_phy_init_tbl qmp_v3_usb3_rx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4e),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x18),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x03),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x75),
};

static const struct qmp_phy_init_tbl qmp_v3_usb3_pcs_tbl[] = {
	/* FLL settings */
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x40),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),

	/* Lock Det settings */
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),

	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0xba),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V0, 0x9f),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V1, 0x9f),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V2, 0xb7),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V3, 0x4e),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_V4, 0x65),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXMGN_LS, 0x6b),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0d),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V1, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V1, 0x0d),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V2, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V2, 0x0d),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V3, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V3, 0x1d),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V4, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V4, 0x0d),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_LS, 0x15),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_LS, 0x0d),

	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RATE_SLEW_CNTRL, 0x02),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
	QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
};

static const struct qmp_phy_init_tbl sm8150_usb3_serdes_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0xde),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x07),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CMN_IPTRIM, 0x20),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x1a),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x14),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x34),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x34),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x82),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x82),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0xab),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0xea),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xea),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0x24),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xca),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
	QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
};

static const struct qmp_phy_init_tbl sm8150_usb3_tx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_PI_QEC_CTRL, 0x20),
};

static const struct qmp_phy_init_tbl sm8150_usb3_rx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0e),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0xbf),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xbf),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x3f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x94),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x0b),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb3),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
};

static const struct qmp_phy_init_tbl sm8150_usb3_pcs_tbl[] = {
	/* Lock Det settings */
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),

	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
};

static const struct qmp_phy_init_tbl sm8150_usb3_pcs_usb_tbl[] = {
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
};

static const struct qmp_phy_init_tbl sm8250_usb3_tx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_TX, 0x60),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_RX, 0x60),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x11),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x02),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xd5),
	QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x40, 1),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_TX_PI_QEC_CTRL, 0x54, 2),
};

static const struct qmp_phy_init_tbl sm8250_usb3_rx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x06),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x99),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH1, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_THRESH2, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN1, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SB2_GAIN2, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x0c),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0xff, 1),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f, 2),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x7f, 1),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff, 2),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x97),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xdc),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xdc),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0x5c),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x7b),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb4),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x1f),
	QMP_PHY_INIT_CFG(QSERDES_V4_RX_VTH_CODE, 0x10),
};

static const struct qmp_phy_init_tbl sm8250_usb3_pcs_tbl[] = {
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xa9),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
};

static const struct qmp_phy_init_tbl sm8250_usb3_pcs_usb_tbl[] = {
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
};

static const struct qmp_phy_init_tbl sm8350_usb3_tx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_TX, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_RX, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x16),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0e),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x35),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_5, 0x3f),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_RCV_DETECT_LVL_2, 0x12),
	QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x21),
};

static const struct qmp_phy_init_tbl sm8350_usb3_rx_tbl[] = {
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0x99),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN1, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN2, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbb),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x7b),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbb),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3d, 1),
	QMP_PHY_INIT_CFG_LANE(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3c, 2),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xdb),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x64),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x24),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xd2),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x13),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa9),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_EN_TIMER, 0x04),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00),
	QMP_PHY_INIT_CFG(QSERDES_V5_RX_VTH_CODE, 0x10),
};

static const struct qmp_phy_init_tbl sm8350_usb3_pcs_tbl[] = {
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG1, 0xd0),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG2, 0x07),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG3, 0x20),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_LOCK_DETECT_CONFIG6, 0x13),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x21),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_CDR_RESET_TIME, 0x0a),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG1, 0x88),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_ALIGN_DETECT_CONFIG2, 0x13),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCS_TX_RX_CONFIG, 0x0c),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG1, 0x4b),
	QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x10),
};

static const struct qmp_phy_init_tbl sm8350_usb3_pcs_usb_tbl[] = {
	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
	QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
};

struct qmp_usb_legacy_offsets {
	u16 serdes;
	u16 pcs;
	u16 pcs_usb;
	u16 tx;
	u16 rx;
};

/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
	int lanes;

	const struct qmp_usb_legacy_offsets *offsets;

	/* Init sequence for PHY blocks - serdes, tx, rx, pcs */
	const struct qmp_phy_init_tbl *serdes_tbl;
	int serdes_tbl_num;
	const struct qmp_phy_init_tbl *tx_tbl;
	int tx_tbl_num;
	const struct qmp_phy_init_tbl *rx_tbl;
	int rx_tbl_num;
	const struct qmp_phy_init_tbl *pcs_tbl;
	int pcs_tbl_num;
	const struct qmp_phy_init_tbl *pcs_usb_tbl;
	int pcs_usb_tbl_num;

	/* clock ids to be requested */
	const char * const *clk_list;
	int num_clks;
	/* resets to be requested */
	const char * const *reset_list;
	int num_resets;
	/* regulators to be requested */
	const char * const *vreg_list;
	int num_vregs;

	/* array of registers with different offsets */
	const unsigned int *regs;

	/* Offset from PCS to PCS_USB region */
	unsigned int pcs_usb_offset;
};

struct qmp_usb {
	struct device *dev;

	const struct qmp_phy_cfg *cfg;

	void __iomem *serdes;
	void __iomem *pcs;
	void __iomem *pcs_misc;
	void __iomem *pcs_usb;
	void __iomem *tx;
	void __iomem *rx;
	void __iomem *tx2;
	void __iomem *rx2;

	void __iomem *dp_com;

	struct clk *pipe_clk;
	struct clk_bulk_data *clks;
	struct reset_control_bulk_data *resets;
	struct regulator_bulk_data *vregs;

	enum phy_mode mode;

	struct phy *phy;

	struct clk_fixed_rate pipe_clk_fixed;
};

static inline void qphy_setbits(void __iomem *base, u32 offset, u32 val)
{
	u32 reg;

	reg = readl(base + offset);
	reg |= val;
	writel(reg, base + offset);

	/* ensure that above write is through */
	readl(base + offset);
}

static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val)
{
	u32 reg;

	reg = readl(base + offset);
	reg &= ~val;
	writel(reg, base + offset);

	/* ensure that above write is through */
	readl(base + offset);
}

/* list of clocks required by phy */
static const char * const qmp_v3_phy_clk_l[] = {
	"aux", "cfg_ahb", "ref", "com_aux",
};

static const char * const qmp_v4_ref_phy_clk_l[] = {
	"aux", "ref_clk_src", "ref", "com_aux",
};

/* the primary usb3 phy on sm8250 doesn't have a ref clock */
static const char * const qmp_v4_sm8250_usbphy_clk_l[] = {
	"aux", "ref_clk_src", "com_aux"
};

/* list of resets */
static const char * const msm8996_usb3phy_reset_l[] = {
	"phy", "common",
};

static const char * const sc7180_usb3phy_reset_l[] = {
	"phy",
};

/* list of regulators */
static const char * const qmp_phy_vreg_l[] = {
	"vdda-phy", "vdda-pll",
};

static const struct qmp_phy_cfg qmp_v3_usb3phy_cfg = {
	.lanes			= 2,

	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
	.tx_tbl			= qmp_v3_usb3_tx_tbl,
	.tx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
	.rx_tbl			= qmp_v3_usb3_rx_tbl,
	.rx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
	.pcs_tbl		= qmp_v3_usb3_pcs_tbl,
	.pcs_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
	.clk_list		= qmp_v3_phy_clk_l,
	.num_clks		= ARRAY_SIZE(qmp_v3_phy_clk_l),
	.reset_list		= msm8996_usb3phy_reset_l,
	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
	.vreg_list		= qmp_phy_vreg_l,
	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
	.regs			= qmp_v3_usb3phy_regs_layout,
};

static const struct qmp_phy_cfg sc7180_usb3phy_cfg = {
	.lanes			= 2,

	.serdes_tbl		= qmp_v3_usb3_serdes_tbl,
	.serdes_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_serdes_tbl),
	.tx_tbl			= qmp_v3_usb3_tx_tbl,
	.tx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_tx_tbl),
	.rx_tbl			= qmp_v3_usb3_rx_tbl,
	.rx_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_rx_tbl),
	.pcs_tbl		= qmp_v3_usb3_pcs_tbl,
	.pcs_tbl_num		= ARRAY_SIZE(qmp_v3_usb3_pcs_tbl),
	.clk_list		= qmp_v3_phy_clk_l,
	.num_clks		= ARRAY_SIZE(qmp_v3_phy_clk_l),
	.reset_list		= sc7180_usb3phy_reset_l,
	.num_resets		= ARRAY_SIZE(sc7180_usb3phy_reset_l),
	.vreg_list		= qmp_phy_vreg_l,
	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
	.regs			= qmp_v3_usb3phy_regs_layout,
};

static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
	.lanes			= 2,

	.serdes_tbl		= sm8150_usb3_serdes_tbl,
	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
	.tx_tbl			= sm8150_usb3_tx_tbl,
	.tx_tbl_num		= ARRAY_SIZE(sm8150_usb3_tx_tbl),
	.rx_tbl			= sm8150_usb3_rx_tbl,
	.rx_tbl_num		= ARRAY_SIZE(sm8150_usb3_rx_tbl),
	.pcs_tbl		= sm8150_usb3_pcs_tbl,
	.pcs_tbl_num		= ARRAY_SIZE(sm8150_usb3_pcs_tbl),
	.pcs_usb_tbl		= sm8150_usb3_pcs_usb_tbl,
	.pcs_usb_tbl_num	= ARRAY_SIZE(sm8150_usb3_pcs_usb_tbl),
	.clk_list		= qmp_v4_ref_phy_clk_l,
	.num_clks		= ARRAY_SIZE(qmp_v4_ref_phy_clk_l),
	.reset_list		= msm8996_usb3phy_reset_l,
	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
	.vreg_list		= qmp_phy_vreg_l,
	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
	.regs			= qmp_v4_usb3phy_regs_layout,
	.pcs_usb_offset		= 0x300,
};

static const struct qmp_phy_cfg sm8250_usb3phy_cfg = {
	.lanes			= 2,

	.serdes_tbl		= sm8150_usb3_serdes_tbl,
	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
	.tx_tbl			= sm8250_usb3_tx_tbl,
	.tx_tbl_num		= ARRAY_SIZE(sm8250_usb3_tx_tbl),
	.rx_tbl			= sm8250_usb3_rx_tbl,
	.rx_tbl_num		= ARRAY_SIZE(sm8250_usb3_rx_tbl),
	.pcs_tbl		= sm8250_usb3_pcs_tbl,
	.pcs_tbl_num		= ARRAY_SIZE(sm8250_usb3_pcs_tbl),
	.pcs_usb_tbl		= sm8250_usb3_pcs_usb_tbl,
	.pcs_usb_tbl_num	= ARRAY_SIZE(sm8250_usb3_pcs_usb_tbl),
	.clk_list		= qmp_v4_sm8250_usbphy_clk_l,
	.num_clks		= ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
	.reset_list		= msm8996_usb3phy_reset_l,
	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
	.vreg_list		= qmp_phy_vreg_l,
	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
	.regs			= qmp_v4_usb3phy_regs_layout,
	.pcs_usb_offset		= 0x300,
};

static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
	.lanes			= 2,

	.serdes_tbl		= sm8150_usb3_serdes_tbl,
	.serdes_tbl_num		= ARRAY_SIZE(sm8150_usb3_serdes_tbl),
	.tx_tbl			= sm8350_usb3_tx_tbl,
	.tx_tbl_num		= ARRAY_SIZE(sm8350_usb3_tx_tbl),
	.rx_tbl			= sm8350_usb3_rx_tbl,
	.rx_tbl_num		= ARRAY_SIZE(sm8350_usb3_rx_tbl),
	.pcs_tbl		= sm8350_usb3_pcs_tbl,
	.pcs_tbl_num		= ARRAY_SIZE(sm8350_usb3_pcs_tbl),
	.pcs_usb_tbl		= sm8350_usb3_pcs_usb_tbl,
	.pcs_usb_tbl_num	= ARRAY_SIZE(sm8350_usb3_pcs_usb_tbl),
	.clk_list		= qmp_v4_sm8250_usbphy_clk_l,
	.num_clks		= ARRAY_SIZE(qmp_v4_sm8250_usbphy_clk_l),
	.reset_list		= msm8996_usb3phy_reset_l,
	.num_resets		= ARRAY_SIZE(msm8996_usb3phy_reset_l),
	.vreg_list		= qmp_phy_vreg_l,
	.num_vregs		= ARRAY_SIZE(qmp_phy_vreg_l),
	.regs			= qmp_v5_usb3phy_regs_layout,
	.pcs_usb_offset		= 0x300,
};

static void qmp_usb_legacy_configure_lane(void __iomem *base,
					const struct qmp_phy_init_tbl tbl[],
					int num,
					u8 lane_mask)
{
	int i;
	const struct qmp_phy_init_tbl *t = tbl;

	if (!t)
		return;

	for (i = 0; i < num; i++, t++) {
		if (!(t->lane_mask & lane_mask))
			continue;

		writel(t->val, base + t->offset);
	}
}

static void qmp_usb_legacy_configure(void __iomem *base,
				   const struct qmp_phy_init_tbl tbl[],
				   int num)
{
	qmp_usb_legacy_configure_lane(base, tbl, num, 0xff);
}

static int qmp_usb_legacy_serdes_init(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	void __iomem *serdes = qmp->serdes;
	const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
	int serdes_tbl_num = cfg->serdes_tbl_num;

	qmp_usb_legacy_configure(serdes, serdes_tbl, serdes_tbl_num);

	return 0;
}

static void qmp_usb_legacy_init_dp_com(struct phy *phy)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);
	void __iomem *dp_com = qmp->dp_com;

	qphy_setbits(dp_com, QPHY_V3_DP_COM_POWER_DOWN_CTRL,
		     SW_PWRDN);
	/* override hardware control for reset of qmp phy */
	qphy_setbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
		     SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
		     SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);

	/* Default type-c orientation, i.e CC1 */
	qphy_setbits(dp_com, QPHY_V3_DP_COM_TYPEC_CTRL, 0x02);

	qphy_setbits(dp_com, QPHY_V3_DP_COM_PHY_MODE_CTRL,
		     USB3_MODE | DP_MODE);

	/* bring both QMP USB and QMP DP PHYs PCS block out of reset */
	qphy_clrbits(dp_com, QPHY_V3_DP_COM_RESET_OVRD_CTRL,
		     SW_DPPHY_RESET_MUX | SW_DPPHY_RESET |
		     SW_USB3PHY_RESET_MUX | SW_USB3PHY_RESET);

	qphy_clrbits(dp_com, QPHY_V3_DP_COM_SWI_CTRL, 0x03);
	qphy_clrbits(dp_com, QPHY_V3_DP_COM_SW_RESET, SW_RESET);
}

static int qmp_usb_legacy_init(struct phy *phy)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	void __iomem *pcs = qmp->pcs;
	int ret;

	ret = regulator_bulk_enable(cfg->num_vregs, qmp->vregs);
	if (ret) {
		dev_err(qmp->dev, "failed to enable regulators, err=%d\n", ret);
		return ret;
	}

	ret = reset_control_bulk_assert(cfg->num_resets, qmp->resets);
	if (ret) {
		dev_err(qmp->dev, "reset assert failed\n");
		goto err_disable_regulators;
	}

	ret = reset_control_bulk_deassert(cfg->num_resets, qmp->resets);
	if (ret) {
		dev_err(qmp->dev, "reset deassert failed\n");
		goto err_disable_regulators;
	}

	ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
	if (ret)
		goto err_assert_reset;

	qmp_usb_legacy_init_dp_com(phy);

	qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);

	return 0;

err_assert_reset:
	reset_control_bulk_assert(cfg->num_resets, qmp->resets);
err_disable_regulators:
	regulator_bulk_disable(cfg->num_vregs, qmp->vregs);

	return ret;
}

static int qmp_usb_legacy_exit(struct phy *phy)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);
	const struct qmp_phy_cfg *cfg = qmp->cfg;

	reset_control_bulk_assert(cfg->num_resets, qmp->resets);

	clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);

	regulator_bulk_disable(cfg->num_vregs, qmp->vregs);

	return 0;
}

static int qmp_usb_legacy_power_on(struct phy *phy)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	void __iomem *tx = qmp->tx;
	void __iomem *rx = qmp->rx;
	void __iomem *pcs = qmp->pcs;
	void __iomem *status;
	unsigned int val;
	int ret;

	qmp_usb_legacy_serdes_init(qmp);

	ret = clk_prepare_enable(qmp->pipe_clk);
	if (ret) {
		dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
		return ret;
	}

	/* Tx, Rx, and PCS configurations */
	qmp_usb_legacy_configure_lane(tx, cfg->tx_tbl, cfg->tx_tbl_num, 1);
	qmp_usb_legacy_configure_lane(rx, cfg->rx_tbl, cfg->rx_tbl_num, 1);

	if (cfg->lanes >= 2) {
		qmp_usb_legacy_configure_lane(qmp->tx2, cfg->tx_tbl, cfg->tx_tbl_num, 2);
		qmp_usb_legacy_configure_lane(qmp->rx2, cfg->rx_tbl, cfg->rx_tbl_num, 2);
	}

	qmp_usb_legacy_configure(pcs, cfg->pcs_tbl, cfg->pcs_tbl_num);

	usleep_range(10, 20);

	/* Pull PHY out of reset state */
	qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);

	/* start SerDes and Phy-Coding-Sublayer */
	qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START | PCS_START);

	status = pcs + cfg->regs[QPHY_PCS_STATUS];
	ret = readl_poll_timeout(status, val, !(val & PHYSTATUS), 200,
				 PHY_INIT_COMPLETE_TIMEOUT);
	if (ret) {
		dev_err(qmp->dev, "phy initialization timed-out\n");
		goto err_disable_pipe_clk;
	}

	return 0;

err_disable_pipe_clk:
	clk_disable_unprepare(qmp->pipe_clk);

	return ret;
}

static int qmp_usb_legacy_power_off(struct phy *phy)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);
	const struct qmp_phy_cfg *cfg = qmp->cfg;

	clk_disable_unprepare(qmp->pipe_clk);

	/* PHY reset */
	qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);

	/* stop SerDes and Phy-Coding-Sublayer */
	qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
			SERDES_START | PCS_START);

	/* Put PHY into POWER DOWN state: active low */
	qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
			SW_PWRDN);

	return 0;
}

static int qmp_usb_legacy_enable(struct phy *phy)
{
	int ret;

	ret = qmp_usb_legacy_init(phy);
	if (ret)
		return ret;

	ret = qmp_usb_legacy_power_on(phy);
	if (ret)
		qmp_usb_legacy_exit(phy);

	return ret;
}

static int qmp_usb_legacy_disable(struct phy *phy)
{
	int ret;

	ret = qmp_usb_legacy_power_off(phy);
	if (ret)
		return ret;
	return qmp_usb_legacy_exit(phy);
}

static int qmp_usb_legacy_set_mode(struct phy *phy, enum phy_mode mode, int submode)
{
	struct qmp_usb *qmp = phy_get_drvdata(phy);

	qmp->mode = mode;

	return 0;
}

static const struct phy_ops qmp_usb_legacy_phy_ops = {
	.init		= qmp_usb_legacy_enable,
	.exit		= qmp_usb_legacy_disable,
	.set_mode	= qmp_usb_legacy_set_mode,
	.owner		= THIS_MODULE,
};

static void qmp_usb_legacy_enable_autonomous_mode(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
	void __iomem *pcs_misc = qmp->pcs_misc;
	u32 intr_mask;

	if (qmp->mode == PHY_MODE_USB_HOST_SS ||
	    qmp->mode == PHY_MODE_USB_DEVICE_SS)
		intr_mask = ARCVR_DTCT_EN | ALFPS_DTCT_EN;
	else
		intr_mask = ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL;

	/* Clear any pending interrupts status */
	qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
	/* Writing 1 followed by 0 clears the interrupt */
	qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);

	qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
		     ARCVR_DTCT_EN | ALFPS_DTCT_EN | ARCVR_DTCT_EVENT_SEL);

	/* Enable required PHY autonomous mode interrupts */
	qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL], intr_mask);

	/* Enable i/o clamp_n for autonomous mode */
	if (pcs_misc)
		qphy_clrbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);
}

static void qmp_usb_legacy_disable_autonomous_mode(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	void __iomem *pcs_usb = qmp->pcs_usb ?: qmp->pcs;
	void __iomem *pcs_misc = qmp->pcs_misc;

	/* Disable i/o clamp_n on resume for normal mode */
	if (pcs_misc)
		qphy_setbits(pcs_misc, QPHY_V3_PCS_MISC_CLAMP_ENABLE, CLAMP_EN);

	qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
		     ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);

	qphy_setbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
	/* Writing 1 followed by 0 clears the interrupt */
	qphy_clrbits(pcs_usb, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
}

static int __maybe_unused qmp_usb_legacy_runtime_suspend(struct device *dev)
{
	struct qmp_usb *qmp = dev_get_drvdata(dev);
	const struct qmp_phy_cfg *cfg = qmp->cfg;

	dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qmp->mode);

	if (!qmp->phy->init_count) {
		dev_vdbg(dev, "PHY not initialized, bailing out\n");
		return 0;
	}

	qmp_usb_legacy_enable_autonomous_mode(qmp);

	clk_disable_unprepare(qmp->pipe_clk);
	clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);

	return 0;
}

static int __maybe_unused qmp_usb_legacy_runtime_resume(struct device *dev)
{
	struct qmp_usb *qmp = dev_get_drvdata(dev);
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	int ret = 0;

	dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qmp->mode);

	if (!qmp->phy->init_count) {
		dev_vdbg(dev, "PHY not initialized, bailing out\n");
		return 0;
	}

	ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
	if (ret)
		return ret;

	ret = clk_prepare_enable(qmp->pipe_clk);
	if (ret) {
		dev_err(dev, "pipe_clk enable failed, err=%d\n", ret);
		clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
		return ret;
	}

	qmp_usb_legacy_disable_autonomous_mode(qmp);

	return 0;
}

static const struct dev_pm_ops qmp_usb_legacy_pm_ops = {
	SET_RUNTIME_PM_OPS(qmp_usb_legacy_runtime_suspend,
			   qmp_usb_legacy_runtime_resume, NULL)
};

static int qmp_usb_legacy_vreg_init(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	struct device *dev = qmp->dev;
	int num = cfg->num_vregs;
	int i;

	qmp->vregs = devm_kcalloc(dev, num, sizeof(*qmp->vregs), GFP_KERNEL);
	if (!qmp->vregs)
		return -ENOMEM;

	for (i = 0; i < num; i++)
		qmp->vregs[i].supply = cfg->vreg_list[i];

	return devm_regulator_bulk_get(dev, num, qmp->vregs);
}

static int qmp_usb_legacy_reset_init(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	struct device *dev = qmp->dev;
	int i;
	int ret;

	qmp->resets = devm_kcalloc(dev, cfg->num_resets,
				   sizeof(*qmp->resets), GFP_KERNEL);
	if (!qmp->resets)
		return -ENOMEM;

	for (i = 0; i < cfg->num_resets; i++)
		qmp->resets[i].id = cfg->reset_list[i];

	ret = devm_reset_control_bulk_get_exclusive(dev, cfg->num_resets, qmp->resets);
	if (ret)
		return dev_err_probe(dev, ret, "failed to get resets\n");

	return 0;
}

static int qmp_usb_legacy_clk_init(struct qmp_usb *qmp)
{
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	struct device *dev = qmp->dev;
	int num = cfg->num_clks;
	int i;

	qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
	if (!qmp->clks)
		return -ENOMEM;

	for (i = 0; i < num; i++)
		qmp->clks[i].id = cfg->clk_list[i];

	return devm_clk_bulk_get(dev, num, qmp->clks);
}

static void phy_clk_release_provider(void *res)
{
	of_clk_del_provider(res);
}

/*
 * Register a fixed rate pipe clock.
 *
 * The <s>_pipe_clksrc generated by PHY goes to the GCC that gate
 * controls it. The <s>_pipe_clk coming out of the GCC is requested
 * by the PHY driver for its operations.
 * We register the <s>_pipe_clksrc here. The gcc driver takes care
 * of assigning this <s>_pipe_clksrc as parent to <s>_pipe_clk.
 * Below picture shows this relationship.
 *
 *         +---------------+
 *         |   PHY block   |<<---------------------------------------+
 *         |               |                                         |
 *         |   +-------+   |                   +-----+               |
 *   I/P---^-->|  PLL  |---^--->pipe_clksrc--->| GCC |--->pipe_clk---+
 *    clk  |   +-------+   |                   +-----+
 *         +---------------+
 */
static int phy_pipe_clk_register(struct qmp_usb *qmp, struct device_node *np)
{
	struct clk_fixed_rate *fixed = &qmp->pipe_clk_fixed;
	struct clk_init_data init = { };
	int ret;

	ret = of_property_read_string(np, "clock-output-names", &init.name);
	if (ret) {
		dev_err(qmp->dev, "%pOFn: No clock-output-names\n", np);
		return ret;
	}

	init.ops = &clk_fixed_rate_ops;

	/* controllers using QMP phys use 125MHz pipe clock interface */
	fixed->fixed_rate = 125000000;
	fixed->hw.init = &init;

	ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
	if (ret)
		return ret;

	ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &fixed->hw);
	if (ret)
		return ret;

	/*
	 * Roll a devm action because the clock provider is the child node, but
	 * the child node is not actually a device.
	 */
	return devm_add_action_or_reset(qmp->dev, phy_clk_release_provider, np);
}

static void __iomem *qmp_usb_legacy_iomap(struct device *dev, struct device_node *np,
					int index, bool exclusive)
{
	struct resource res;

	if (!exclusive) {
		if (of_address_to_resource(np, index, &res))
			return IOMEM_ERR_PTR(-EINVAL);

		return devm_ioremap(dev, res.start, resource_size(&res));
	}

	return devm_of_iomap(dev, np, index, NULL);
}

static int qmp_usb_legacy_parse_dt_legacy(struct qmp_usb *qmp, struct device_node *np)
{
	struct platform_device *pdev = to_platform_device(qmp->dev);
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	struct device *dev = qmp->dev;
	bool exclusive = true;

	qmp->serdes = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(qmp->serdes))
		return PTR_ERR(qmp->serdes);

	qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
	if (IS_ERR(qmp->dp_com))
		return PTR_ERR(qmp->dp_com);

	/*
	 * Get memory resources for the PHY:
	 * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
	 * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
	 * For single lane PHYs: pcs_misc (optional) -> 3.
	 */
	qmp->tx = devm_of_iomap(dev, np, 0, NULL);
	if (IS_ERR(qmp->tx))
		return PTR_ERR(qmp->tx);

	qmp->rx = devm_of_iomap(dev, np, 1, NULL);
	if (IS_ERR(qmp->rx))
		return PTR_ERR(qmp->rx);

	qmp->pcs = qmp_usb_legacy_iomap(dev, np, 2, exclusive);
	if (IS_ERR(qmp->pcs))
		return PTR_ERR(qmp->pcs);

	if (cfg->pcs_usb_offset)
		qmp->pcs_usb = qmp->pcs + cfg->pcs_usb_offset;

	if (cfg->lanes >= 2) {
		qmp->tx2 = devm_of_iomap(dev, np, 3, NULL);
		if (IS_ERR(qmp->tx2))
			return PTR_ERR(qmp->tx2);

		qmp->rx2 = devm_of_iomap(dev, np, 4, NULL);
		if (IS_ERR(qmp->rx2))
			return PTR_ERR(qmp->rx2);

		qmp->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
	} else {
		qmp->pcs_misc = devm_of_iomap(dev, np, 3, NULL);
	}

	if (IS_ERR(qmp->pcs_misc)) {
		dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
		qmp->pcs_misc = NULL;
	}

	qmp->pipe_clk = devm_get_clk_from_child(dev, np, NULL);
	if (IS_ERR(qmp->pipe_clk)) {
		return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
				     "failed to get pipe clock\n");
	}

	return 0;
}

static int qmp_usb_legacy_parse_dt(struct qmp_usb *qmp)
{
	struct platform_device *pdev = to_platform_device(qmp->dev);
	const struct qmp_phy_cfg *cfg = qmp->cfg;
	const struct qmp_usb_legacy_offsets *offs = cfg->offsets;
	struct device *dev = qmp->dev;
	void __iomem *base;

	if (!offs)
		return -EINVAL;

	base = devm_platform_ioremap_resource(pdev, 0);
	if (IS_ERR(base))
		return PTR_ERR(base);

	qmp->serdes = base + offs->serdes;
	qmp->pcs = base + offs->pcs;
	qmp->pcs_usb = base + offs->pcs_usb;
	qmp->tx = base + offs->tx;
	qmp->rx = base + offs->rx;

	qmp->pipe_clk = devm_clk_get(dev, "pipe");
	if (IS_ERR(qmp->pipe_clk)) {
		return dev_err_probe(dev, PTR_ERR(qmp->pipe_clk),
				     "failed to get pipe clock\n");
	}

	return 0;
}

static int qmp_usb_legacy_probe(struct platform_device *pdev)
{
	struct device *dev = &pdev->dev;
	struct phy_provider *phy_provider;
	struct device_node *np;
	struct qmp_usb *qmp;
	int ret;

	qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
	if (!qmp)
		return -ENOMEM;

	qmp->dev = dev;

	qmp->cfg = of_device_get_match_data(dev);
	if (!qmp->cfg)
		return -EINVAL;

	ret = qmp_usb_legacy_clk_init(qmp);
	if (ret)
		return ret;

	ret = qmp_usb_legacy_reset_init(qmp);
	if (ret)
		return ret;

	ret = qmp_usb_legacy_vreg_init(qmp);
	if (ret)
		return ret;

	/* Check for legacy binding with child node. */
	np = of_get_next_available_child(dev->of_node, NULL);
	if (np) {
		ret = qmp_usb_legacy_parse_dt_legacy(qmp, np);
	} else {
		np = of_node_get(dev->of_node);
		ret = qmp_usb_legacy_parse_dt(qmp);
	}
	if (ret)
		goto err_node_put;

	pm_runtime_set_active(dev);
	ret = devm_pm_runtime_enable(dev);
	if (ret)
		goto err_node_put;
	/*
	 * Prevent runtime pm from being ON by default. Users can enable
	 * it using power/control in sysfs.
	 */
	pm_runtime_forbid(dev);

	ret = phy_pipe_clk_register(qmp, np);
	if (ret)
		goto err_node_put;

	qmp->phy = devm_phy_create(dev, np, &qmp_usb_legacy_phy_ops);
	if (IS_ERR(qmp->phy)) {
		ret = PTR_ERR(qmp->phy);
		dev_err(dev, "failed to create PHY: %d\n", ret);
		goto err_node_put;
	}

	phy_set_drvdata(qmp->phy, qmp);

	of_node_put(np);

	phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);

	return PTR_ERR_OR_ZERO(phy_provider);

err_node_put:
	of_node_put(np);
	return ret;
}

static const struct of_device_id qmp_usb_legacy_of_match_table[] = {
	{
		.compatible = "qcom,sc7180-qmp-usb3-phy",
		.data = &sc7180_usb3phy_cfg,
	}, {
		.compatible = "qcom,sc8180x-qmp-usb3-phy",
		.data = &sm8150_usb3phy_cfg,
	}, {
		.compatible = "qcom,sdm845-qmp-usb3-phy",
		.data = &qmp_v3_usb3phy_cfg,
	}, {
		.compatible = "qcom,sm8150-qmp-usb3-phy",
		.data = &sm8150_usb3phy_cfg,
	}, {
		.compatible = "qcom,sm8250-qmp-usb3-phy",
		.data = &sm8250_usb3phy_cfg,
	}, {
		.compatible = "qcom,sm8350-qmp-usb3-phy",
		.data = &sm8350_usb3phy_cfg,
	}, {
		.compatible = "qcom,sm8450-qmp-usb3-phy",
		.data = &sm8350_usb3phy_cfg,
	},
	{ },
};
MODULE_DEVICE_TABLE(of, qmp_usb_legacy_of_match_table);

static struct platform_driver qmp_usb_legacy_driver = {
	.probe		= qmp_usb_legacy_probe,
	.driver = {
		.name	= "qcom-qmp-usb-legacy-phy",
		.pm	= &qmp_usb_legacy_pm_ops,
		.of_match_table = qmp_usb_legacy_of_match_table,
	},
};

module_platform_driver(qmp_usb_legacy_driver);

MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
MODULE_DESCRIPTION("Qualcomm QMP legacy USB+DP PHY driver");
MODULE_LICENSE("GPL v2");