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linuxdebug/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c

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null pointer error
2024-07-16 15:50:57 +02:00
// 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 <dt-bindings/phy/phy.h>
#include "phy-qcom-qmp.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_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
#define PHY_INIT_COMPLETE_TIMEOUT 10000
struct qmp_phy_init_tbl {
unsigned int offset;
unsigned int val;
/*
* register part of layout ?
* if yes, then offset gives index in the reg-layout
*/
bool in_layout;
/*
* 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_L(o, v) \
{ \
.offset = o, \
.val = v, \
.in_layout = true, \
.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_READY_STATUS,
QPHY_PCS_POWER_DOWN_CONTROL,
/* Keep last to ensure regs_layout arrays are properly initialized */
QPHY_LAYOUT_SIZE
};
static const unsigned int msm8996_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = 0x00,
[QPHY_PCS_READY_STATUS] = 0x168,
};
static const unsigned int sdm845_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = 0x00,
[QPHY_PCS_READY_STATUS] = 0x160,
};
static const unsigned int sm6115_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = 0x00,
[QPHY_PCS_READY_STATUS] = 0x168,
};
static const unsigned int sm8150_ufsphy_regs_layout[QPHY_LAYOUT_SIZE] = {
[QPHY_START_CTRL] = QPHY_V4_PCS_UFS_PHY_START,
[QPHY_PCS_READY_STATUS] = QPHY_V4_PCS_UFS_READY_STATUS,
[QPHY_SW_RESET] = QPHY_V4_PCS_UFS_SW_RESET,
};
static const struct qmp_phy_init_tbl msm8996_ufs_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xd7),
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x10),
QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x54),
QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x02),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE1, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE1, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
};
static const struct qmp_phy_init_tbl msm8996_ufs_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x02),
};
static const struct qmp_phy_init_tbl msm8996_ufs_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x02),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x00),
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x18),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_TERM_BW, 0x5b),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xff),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xff),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0E),
};
static const struct qmp_phy_init_tbl sm6115_ufsphy_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x14),
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x02),
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV_MODE1, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x04),
QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE0, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE0, 0x02),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE1, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE1, 0x28),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE1, 0x80),
QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE1_MODE1, 0xd6),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE1, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_INITVAL1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_INITVAL2, 0x00),
/* Rate B */
QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x44),
};
static const struct qmp_phy_init_tbl sm6115_ufsphy_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45),
QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x06),
};
static const struct qmp_phy_init_tbl sm6115_ufsphy_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x0F),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_INTERFACE_MODE, 0x40),
QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x1E),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0B),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_TERM_BW, 0x5B),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_LSB, 0xFF),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN1_MSB, 0x3F),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_LSB, 0xFF),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_GAIN2_MSB, 0x3F),
QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0D),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SVS_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5B),
};
static const struct qmp_phy_init_tbl sm6115_ufsphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_PWM_GEAR_BAND, 0x15),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SIGDET_CTRL2, 0x6d),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_LARGE_AMP_DRV_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_MIN_STALL_NOCONFIG_TIME_CAP, 0x28),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_SYM_RESYNC_CTRL, 0x03),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_LARGE_AMP_POST_EMP_LVL, 0x12),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_TX_SMALL_AMP_POST_EMP_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V2_PCS_RX_MIN_HIBERN8_TIME, 0x9a), /* 8 us */
};
static const struct qmp_phy_init_tbl sdm845_ufsphy_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYS_CLK_CTRL, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_BG_TIMER, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_IVCO, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CMN_CONFIG, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SYSCLK_EN_SEL, 0xd5),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_RESETSM_CNTRL, 0x20),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CLK_SELECT, 0x30),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_HSCLK_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_CTRL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CORE_CLK_EN, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_SVS_MODE_CLK_SEL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL1, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE0, 0x82),
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_GAIN0_MODE0, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE0, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE0, 0xda),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE0, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN0_MODE1, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_INTEGLOOP_GAIN1_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE1_MODE1, 0xc1),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE2_MODE1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_V3_COM_LOCK_CMP2_MODE1, 0x0f),
/* Rate B */
QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
};
static const struct qmp_phy_init_tbl sdm845_ufsphy_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_TX_LANE_MODE_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_TX, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_TX_RES_CODE_LANE_OFFSET_RX, 0x07),
};
static const struct qmp_phy_init_tbl sdm845_ufsphy_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_CNTRL, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_INTERFACE_MODE, 0x40),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_TERM_BW, 0x5b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_HALF, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN_QUARTER, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SVS_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_PI_CONTROLS, 0x81),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V3_RX_RX_MODE_00, 0x59),
};
static const struct qmp_phy_init_tbl sdm845_ufsphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL2, 0x6e),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SYM_RESYNC_CTRL, 0x03),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_SIGDET_CTRL1, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_RX_MIN_HIBERN8_TIME, 0x9a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};
static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x32),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23),
/* Rate B */
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06),
};
static const struct qmp_phy_init_tbl sm8150_ufsphy_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c),
};
static const struct qmp_phy_init_tbl sm8150_ufsphy_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_BAND, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0xf1),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x10),
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_MODE_00_LOW, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xf6),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x3d),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0xb1),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0xb1),
};
static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};
static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_HS_SWITCH_SEL, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP_EN, 0x42),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_INITVAL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE0, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE0, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE0, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE0, 0xff),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE0, 0x19),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_DEC_START_MODE1, 0x98),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_CP_CTRL_MODE1, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_RCTRL_MODE1, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_CCTRL_MODE1, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP1_MODE1, 0x65),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_LOCK_CMP2_MODE1, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23),
/* Rate B */
QMP_PHY_INIT_CFG(QSERDES_V5_COM_VCO_TUNE_MAP, 0x06),
};
static const struct qmp_phy_init_tbl sm8350_ufsphy_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xf5),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
QMP_PHY_INIT_CFG(QSERDES_V5_TX_TRAN_DRVR_EMP_EN, 0x0c),
};
static const struct qmp_phy_init_tbl sm8350_ufsphy_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_LVL, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_BAND, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0xf1),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CTRL2, 0x80),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0e),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_TERM_BW, 0x1b),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_MEASURE_TIME, 0x10),
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_MODE_00_LOW, 0x6d),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x6d),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xed),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0x3c),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xb7),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_LOW, 0xe0),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH2, 0xc8),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH3, 0x3b),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_10_HIGH4, 0xb7),
QMP_PHY_INIT_CFG(QSERDES_V5_RX_DCC_CTRL1, 0x0c),
};
static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_PLL_CNTL, 0x03),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_MSB, 0x16),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TIMER_20US_CORECLK_STEPS_LSB, 0xd8),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_PWM_GEAR_BAND, 0xaa),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HS_GEAR_BAND, 0x06),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x03),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x03),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_RX_SIGDET_CTRL1, 0x0e),
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
int lanes;
/* 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;
/* clock ids to be requested */
const char * const *clk_list;
int num_clks;
/* regulators to be requested */
const char * const *vreg_list;
int num_vregs;
/* array of registers with different offsets */
const unsigned int *regs;
unsigned int start_ctrl;
unsigned int pwrdn_ctrl;
/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
unsigned int phy_status;
/* true, if PCS block has no separate SW_RESET register */
bool no_pcs_sw_reset;
};
/**
* struct qmp_phy - per-lane phy descriptor
*
* @phy: generic phy
* @cfg: phy specific configuration
* @serdes: iomapped memory space for phy's serdes (i.e. PLL)
* @tx: iomapped memory space for lane's tx
* @rx: iomapped memory space for lane's rx
* @pcs: iomapped memory space for lane's pcs
* @tx2: iomapped memory space for second lane's tx (in dual lane PHYs)
* @rx2: iomapped memory space for second lane's rx (in dual lane PHYs)
* @pcs_misc: iomapped memory space for lane's pcs_misc
* @qmp: QMP phy to which this lane belongs
*/
struct qmp_phy {
struct phy *phy;
const struct qmp_phy_cfg *cfg;
void __iomem *serdes;
void __iomem *tx;
void __iomem *rx;
void __iomem *pcs;
void __iomem *tx2;
void __iomem *rx2;
void __iomem *pcs_misc;
struct qcom_qmp *qmp;
};
/**
* struct qcom_qmp - structure holding QMP phy block attributes
*
* @dev: device
*
* @clks: array of clocks required by phy
* @resets: array of resets required by phy
* @vregs: regulator supplies bulk data
*
* @phys: array of per-lane phy descriptors
* @ufs_reset: optional UFS PHY reset handle
*/
struct qcom_qmp {
struct device *dev;
struct clk_bulk_data *clks;
struct regulator_bulk_data *vregs;
struct qmp_phy **phys;
struct reset_control *ufs_reset;
};
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 msm8996_ufs_phy_clk_l[] = {
"ref",
};
/* the primary usb3 phy on sm8250 doesn't have a ref clock */
static const char * const sm8450_ufs_phy_clk_l[] = {
"qref", "ref", "ref_aux",
};
static const char * const sdm845_ufs_phy_clk_l[] = {
"ref", "ref_aux",
};
/* list of regulators */
static const char * const qmp_phy_vreg_l[] = {
"vdda-phy", "vdda-pll",
};
static const struct qmp_phy_cfg msm8996_ufs_cfg = {
.lanes = 1,
.serdes_tbl = msm8996_ufs_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(msm8996_ufs_serdes_tbl),
.tx_tbl = msm8996_ufs_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(msm8996_ufs_tx_tbl),
.rx_tbl = msm8996_ufs_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(msm8996_ufs_rx_tbl),
.clk_list = msm8996_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(msm8996_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = msm8996_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
.no_pcs_sw_reset = true,
};
static const struct qmp_phy_cfg sdm845_ufsphy_cfg = {
.lanes = 2,
.serdes_tbl = sdm845_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sdm845_ufsphy_serdes_tbl),
.tx_tbl = sdm845_ufsphy_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_tx_tbl),
.rx_tbl = sdm845_ufsphy_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sdm845_ufsphy_rx_tbl),
.pcs_tbl = sdm845_ufsphy_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sdm845_ufsphy_pcs_tbl),
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = sdm845_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
.no_pcs_sw_reset = true,
};
static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
.lanes = 1,
.serdes_tbl = sm6115_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm6115_ufsphy_serdes_tbl),
.tx_tbl = sm6115_ufsphy_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_tx_tbl),
.rx_tbl = sm6115_ufsphy_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sm6115_ufsphy_rx_tbl),
.pcs_tbl = sm6115_ufsphy_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sm6115_ufsphy_pcs_tbl),
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = sm6115_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.no_pcs_sw_reset = true,
};
static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.lanes = 2,
.serdes_tbl = sm8150_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8150_ufsphy_serdes_tbl),
.tx_tbl = sm8150_ufsphy_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_tx_tbl),
.rx_tbl = sm8150_ufsphy_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sm8150_ufsphy_rx_tbl),
.pcs_tbl = sm8150_ufsphy_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sm8150_ufsphy_pcs_tbl),
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = sm8150_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
};
static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.lanes = 2,
.serdes_tbl = sm8350_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
.tx_tbl = sm8350_ufsphy_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl),
.rx_tbl = sm8350_ufsphy_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl),
.pcs_tbl = sm8350_ufsphy_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl),
.clk_list = sdm845_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = sm8150_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
};
static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
.lanes = 2,
.serdes_tbl = sm8350_ufsphy_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
.tx_tbl = sm8350_ufsphy_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl),
.rx_tbl = sm8350_ufsphy_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl),
.pcs_tbl = sm8350_ufsphy_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl),
.clk_list = sm8450_ufs_phy_clk_l,
.num_clks = ARRAY_SIZE(sm8450_ufs_phy_clk_l),
.vreg_list = qmp_phy_vreg_l,
.num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
.regs = sm8150_ufsphy_regs_layout,
.start_ctrl = SERDES_START,
.pwrdn_ctrl = SW_PWRDN,
.phy_status = PHYSTATUS,
};
static void qmp_ufs_configure_lane(void __iomem *base,
const unsigned int *regs,
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;
if (t->in_layout)
writel(t->val, base + regs[t->offset]);
else
writel(t->val, base + t->offset);
}
}
static void qmp_ufs_configure(void __iomem *base,
const unsigned int *regs,
const struct qmp_phy_init_tbl tbl[],
int num)
{
qmp_ufs_configure_lane(base, regs, tbl, num, 0xff);
}
static int qmp_ufs_serdes_init(struct qmp_phy *qphy)
{
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *serdes = qphy->serdes;
const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
int serdes_tbl_num = cfg->serdes_tbl_num;
qmp_ufs_configure(serdes, cfg->regs, serdes_tbl, serdes_tbl_num);
return 0;
}
static int qmp_ufs_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *pcs = qphy->pcs;
int ret;
/* turn on regulator supplies */
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 = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
if (ret)
goto err_disable_regulators;
if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL])
qphy_setbits(pcs,
cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
cfg->pwrdn_ctrl);
else
qphy_setbits(pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
cfg->pwrdn_ctrl);
return 0;
err_disable_regulators:
regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
return ret;
}
static int qmp_ufs_com_exit(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
reset_control_assert(qmp->ufs_reset);
clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
return 0;
}
static int qmp_ufs_init(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
int ret;
dev_vdbg(qmp->dev, "Initializing QMP phy\n");
if (cfg->no_pcs_sw_reset) {
/*
* Get UFS reset, which is delayed until now to avoid a
* circular dependency where UFS needs its PHY, but the PHY
* needs this UFS reset.
*/
if (!qmp->ufs_reset) {
qmp->ufs_reset =
devm_reset_control_get_exclusive(qmp->dev,
"ufsphy");
if (IS_ERR(qmp->ufs_reset)) {
ret = PTR_ERR(qmp->ufs_reset);
dev_err(qmp->dev,
"failed to get UFS reset: %d\n",
ret);
qmp->ufs_reset = NULL;
return ret;
}
}
ret = reset_control_assert(qmp->ufs_reset);
if (ret)
return ret;
}
ret = qmp_ufs_com_init(qphy);
if (ret)
return ret;
return 0;
}
static int qmp_ufs_power_on(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *tx = qphy->tx;
void __iomem *rx = qphy->rx;
void __iomem *pcs = qphy->pcs;
void __iomem *status;
unsigned int mask, val, ready;
int ret;
qmp_ufs_serdes_init(qphy);
/* Tx, Rx, and PCS configurations */
qmp_ufs_configure_lane(tx, cfg->regs, cfg->tx_tbl, cfg->tx_tbl_num, 1);
if (cfg->lanes >= 2) {
qmp_ufs_configure_lane(qphy->tx2, cfg->regs,
cfg->tx_tbl, cfg->tx_tbl_num, 2);
}
qmp_ufs_configure_lane(rx, cfg->regs, cfg->rx_tbl, cfg->rx_tbl_num, 1);
if (cfg->lanes >= 2) {
qmp_ufs_configure_lane(qphy->rx2, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 2);
}
qmp_ufs_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
ret = reset_control_deassert(qmp->ufs_reset);
if (ret)
return ret;
/* Pull PHY out of reset state */
if (!cfg->no_pcs_sw_reset)
qphy_clrbits(pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
/* start SerDes and Phy-Coding-Sublayer */
qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
mask = PCS_READY;
ready = PCS_READY;
ret = readl_poll_timeout(status, val, (val & mask) == ready, 10,
PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(qmp->dev, "phy initialization timed-out\n");
return ret;
}
return 0;
}
static int qmp_ufs_power_off(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
/* PHY reset */
if (!cfg->no_pcs_sw_reset)
qphy_setbits(qphy->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
/* stop SerDes and Phy-Coding-Sublayer */
qphy_clrbits(qphy->pcs, cfg->regs[QPHY_START_CTRL], cfg->start_ctrl);
/* Put PHY into POWER DOWN state: active low */
if (cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL]) {
qphy_clrbits(qphy->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
cfg->pwrdn_ctrl);
} else {
qphy_clrbits(qphy->pcs, QPHY_V2_PCS_POWER_DOWN_CONTROL,
cfg->pwrdn_ctrl);
}
return 0;
}
static int qmp_ufs_exit(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
qmp_ufs_com_exit(qphy);
return 0;
}
static int qmp_ufs_enable(struct phy *phy)
{
int ret;
ret = qmp_ufs_init(phy);
if (ret)
return ret;
ret = qmp_ufs_power_on(phy);
if (ret)
qmp_ufs_exit(phy);
return ret;
}
static int qmp_ufs_disable(struct phy *phy)
{
int ret;
ret = qmp_ufs_power_off(phy);
if (ret)
return ret;
return qmp_ufs_exit(phy);
}
static int qmp_ufs_vreg_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(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_ufs_clk_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(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 const struct phy_ops qcom_qmp_ufs_ops = {
.power_on = qmp_ufs_enable,
.power_off = qmp_ufs_disable,
.owner = THIS_MODULE,
};
static int qmp_ufs_create(struct device *dev, struct device_node *np, int id,
void __iomem *serdes, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct phy *generic_phy;
struct qmp_phy *qphy;
int ret;
qphy = devm_kzalloc(dev, sizeof(*qphy), GFP_KERNEL);
if (!qphy)
return -ENOMEM;
qphy->cfg = cfg;
qphy->serdes = serdes;
/*
* Get memory resources for each phy lane:
* 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.
*/
qphy->tx = devm_of_iomap(dev, np, 0, NULL);
if (IS_ERR(qphy->tx))
return PTR_ERR(qphy->tx);
qphy->rx = devm_of_iomap(dev, np, 1, NULL);
if (IS_ERR(qphy->rx))
return PTR_ERR(qphy->rx);
qphy->pcs = devm_of_iomap(dev, np, 2, NULL);
if (IS_ERR(qphy->pcs))
return PTR_ERR(qphy->pcs);
if (cfg->lanes >= 2) {
qphy->tx2 = devm_of_iomap(dev, np, 3, NULL);
if (IS_ERR(qphy->tx2))
return PTR_ERR(qphy->tx2);
qphy->rx2 = devm_of_iomap(dev, np, 4, NULL);
if (IS_ERR(qphy->rx2))
return PTR_ERR(qphy->rx2);
qphy->pcs_misc = devm_of_iomap(dev, np, 5, NULL);
} else {
qphy->pcs_misc = devm_of_iomap(dev, np, 3, NULL);
}
if (IS_ERR(qphy->pcs_misc))
dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
generic_phy = devm_phy_create(dev, np, &qcom_qmp_ufs_ops);
if (IS_ERR(generic_phy)) {
ret = PTR_ERR(generic_phy);
dev_err(dev, "failed to create qphy %d\n", ret);
return ret;
}
qphy->phy = generic_phy;
qphy->qmp = qmp;
qmp->phys[id] = qphy;
phy_set_drvdata(generic_phy, qphy);
return 0;
}
static const struct of_device_id qmp_ufs_of_match_table[] = {
{
.compatible = "qcom,msm8996-qmp-ufs-phy",
.data = &msm8996_ufs_cfg,
}, {
.compatible = "qcom,msm8998-qmp-ufs-phy",
.data = &sdm845_ufsphy_cfg,
}, {
.compatible = "qcom,sc8180x-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
}, {
.compatible = "qcom,sc8280xp-qmp-ufs-phy",
.data = &sm8350_ufsphy_cfg,
}, {
.compatible = "qcom,sdm845-qmp-ufs-phy",
.data = &sdm845_ufsphy_cfg,
}, {
.compatible = "qcom,sm6115-qmp-ufs-phy",
.data = &sm6115_ufsphy_cfg,
}, {
.compatible = "qcom,sm6350-qmp-ufs-phy",
.data = &sdm845_ufsphy_cfg,
}, {
.compatible = "qcom,sm8150-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
}, {
.compatible = "qcom,sm8250-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
}, {
.compatible = "qcom,sm8350-qmp-ufs-phy",
.data = &sm8350_ufsphy_cfg,
}, {
.compatible = "qcom,sm8450-qmp-ufs-phy",
.data = &sm8450_ufsphy_cfg,
},
{ },
};
MODULE_DEVICE_TABLE(of, qmp_ufs_of_match_table);
static int qmp_ufs_probe(struct platform_device *pdev)
{
struct qcom_qmp *qmp;
struct device *dev = &pdev->dev;
struct device_node *child;
struct phy_provider *phy_provider;
void __iomem *serdes;
const struct qmp_phy_cfg *cfg = NULL;
int num, id;
int ret;
qmp = devm_kzalloc(dev, sizeof(*qmp), GFP_KERNEL);
if (!qmp)
return -ENOMEM;
qmp->dev = dev;
dev_set_drvdata(dev, qmp);
/* Get the specific init parameters of QMP phy */
cfg = of_device_get_match_data(dev);
if (!cfg)
return -EINVAL;
/* per PHY serdes; usually located at base address */
serdes = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(serdes))
return PTR_ERR(serdes);
ret = qmp_ufs_clk_init(dev, cfg);
if (ret)
return ret;
ret = qmp_ufs_vreg_init(dev, cfg);
if (ret)
return dev_err_probe(dev, ret,
"failed to get regulator supplies\n");
num = of_get_available_child_count(dev->of_node);
/* do we have a rogue child node ? */
if (num > 1)
return -EINVAL;
qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL);
if (!qmp->phys)
return -ENOMEM;
id = 0;
for_each_available_child_of_node(dev->of_node, child) {
/* Create per-lane phy */
ret = qmp_ufs_create(dev, child, id, serdes, cfg);
if (ret) {
dev_err(dev, "failed to create lane%d phy, %d\n",
id, ret);
goto err_node_put;
}
id++;
}
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(child);
return ret;
}
static struct platform_driver qmp_ufs_driver = {
.probe = qmp_ufs_probe,
.driver = {
.name = "qcom-qmp-ufs-phy",
.of_match_table = qmp_ufs_of_match_table,
},
};
module_platform_driver(qmp_ufs_driver);
MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
MODULE_DESCRIPTION("Qualcomm QMP UFS PHY driver");
MODULE_LICENSE("GPL v2");