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linux/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
Dmitry Baryshkov b42c5f3d7b phy: qcom-qmp-ufs: change symbol prefix to qcom_qmp_phy_ufs 
Change all symbol names to start with qcom_qmp_phy_ufs_ rather than old
qcom_qmp_phy_

Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Tested-by: Bjorn Andersson <bjorn.andersson@linaro.org> # UFS, PCIe and USB on SC8180X
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20220607213203.2819885-11-dmitry.baryshkov@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
2022-06-09 23:49:40 +05:30

2229 lines
69 KiB
C
Raw Blame History

// 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)
#define REFCLK_DRV_DSBL BIT(1)
/* QPHY_START_CONTROL bits */
#define SERDES_START BIT(0)
#define PCS_START BIT(1)
#define PLL_READY_GATE_EN BIT(3)
/* QPHY_PCS_STATUS bit */
#define PHYSTATUS BIT(6)
#define PHYSTATUS_4_20 BIT(7)
/* QPHY_PCS_READY_STATUS & QPHY_COM_PCS_READY_STATUS bit */
#define PCS_READY BIT(0)
/* 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_PCS_LFPS_RXTERM_IRQ_STATUS register bits */
#define RCVR_DETECT 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
#define POWER_DOWN_DELAY_US_MIN 10
#define POWER_DOWN_DELAY_US_MAX 11
#define MAX_PROP_NAME 32
/* Define the assumed distance between lanes for underspecified device trees. */
#define QMP_PHY_LEGACY_LANE_STRIDE 0x400
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 {
/* Common block control registers */
QPHY_COM_SW_RESET,
QPHY_COM_POWER_DOWN_CONTROL,
QPHY_COM_START_CONTROL,
QPHY_COM_PCS_READY_STATUS,
/* PCS registers */
QPHY_PLL_LOCK_CHK_DLY_TIME,
QPHY_FLL_CNTRL1,
QPHY_FLL_CNTRL2,
QPHY_FLL_CNT_VAL_L,
QPHY_FLL_CNT_VAL_H_TOL,
QPHY_FLL_MAN_CODE,
QPHY_SW_RESET,
QPHY_START_CTRL,
QPHY_PCS_READY_STATUS,
QPHY_PCS_STATUS,
QPHY_PCS_AUTONOMOUS_MODE_CTRL,
QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR,
QPHY_PCS_LFPS_RXTERM_IRQ_STATUS,
QPHY_PCS_POWER_DOWN_CONTROL,
/* PCS_MISC registers */
QPHY_PCS_MISC_TYPEC_CTRL,
/* 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(QPHY_POWER_DOWN_CONTROL, 0x01),
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_RX_PWM_GEAR_BAND, 0x15),
QMP_PHY_INIT_CFG(QPHY_RX_SIGDET_CTRL2, 0x6d),
QMP_PHY_INIT_CFG(QPHY_TX_LARGE_AMP_DRV_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_RX_MIN_STALL_NOCONFIG_TIME_CAP, 0x28),
QMP_PHY_INIT_CFG(QPHY_RX_SYM_RESYNC_CTRL, 0x03),
QMP_PHY_INIT_CFG(QPHY_TX_LARGE_AMP_POST_EMP_LVL, 0x12),
QMP_PHY_INIT_CFG(QPHY_TX_SMALL_AMP_POST_EMP_LVL, 0x0f),
QMP_PHY_INIT_CFG(QPHY_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_RX_SIGDET_CTRL2, 0x6e),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_LARGE_AMP_DRV_LVL, 0x0a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_SMALL_AMP_DRV_LVL, 0x02),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SYM_RESYNC_CTRL, 0x03),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_TX_MID_TERM_CTRL1, 0x43),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_CTRL1, 0x0f),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_MIN_HIBERN8_TIME, 0x9a),
QMP_PHY_INIT_CFG(QPHY_V3_PCS_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;
/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
/* phy-type - PCIE/UFS/USB */
unsigned int type;
/* number of lanes provided by phy */
int nlanes;
/* 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 *serdes_tbl_sec;
int serdes_tbl_num_sec;
const struct qmp_phy_init_tbl *tx_tbl;
int tx_tbl_num;
const struct qmp_phy_init_tbl *tx_tbl_sec;
int tx_tbl_num_sec;
const struct qmp_phy_init_tbl *rx_tbl;
int rx_tbl_num;
const struct qmp_phy_init_tbl *rx_tbl_sec;
int rx_tbl_num_sec;
const struct qmp_phy_init_tbl *pcs_tbl;
int pcs_tbl_num;
const struct qmp_phy_init_tbl *pcs_tbl_sec;
int pcs_tbl_num_sec;
const struct qmp_phy_init_tbl *pcs_misc_tbl;
int pcs_misc_tbl_num;
const struct qmp_phy_init_tbl *pcs_misc_tbl_sec;
int pcs_misc_tbl_num_sec;
/* Init sequence for DP PHY block link rates */
const struct qmp_phy_init_tbl *serdes_tbl_rbr;
int serdes_tbl_rbr_num;
const struct qmp_phy_init_tbl *serdes_tbl_hbr;
int serdes_tbl_hbr_num;
const struct qmp_phy_init_tbl *serdes_tbl_hbr2;
int serdes_tbl_hbr2_num;
const struct qmp_phy_init_tbl *serdes_tbl_hbr3;
int serdes_tbl_hbr3_num;
/* DP PHY callbacks */
int (*configure_dp_phy)(struct qmp_phy *qphy);
void (*configure_dp_tx)(struct qmp_phy *qphy);
int (*calibrate_dp_phy)(struct qmp_phy *qphy);
void (*dp_aux_init)(struct qmp_phy *qphy);
/* 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;
unsigned int start_ctrl;
unsigned int pwrdn_ctrl;
unsigned int mask_com_pcs_ready;
/* bit offset of PHYSTATUS in QPHY_PCS_STATUS register */
unsigned int phy_status;
/* true, if PHY has a separate PHY_COM control block */
bool has_phy_com_ctrl;
/* true, if PHY has a reset for individual lanes */
bool has_lane_rst;
/* true, if PHY needs delay after POWER_DOWN */
bool has_pwrdn_delay;
/* power_down delay in usec */
int pwrdn_delay_min;
int pwrdn_delay_max;
/* true, if PHY has a separate DP_COM control block */
bool has_phy_dp_com_ctrl;
/* true, if PHY has secondary tx/rx lanes to be configured */
bool is_dual_lane_phy;
/* true, if PCS block has no separate SW_RESET register */
bool no_pcs_sw_reset;
};
struct qmp_phy_combo_cfg {
const struct qmp_phy_cfg *usb_cfg;
const struct qmp_phy_cfg *dp_cfg;
};
/**
* 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
* @pipe_clk: pipe clock
* @index: lane index
* @qmp: QMP phy to which this lane belongs
* @lane_rst: lane's reset controller
* @mode: current PHY mode
* @dp_aux_cfg: Display port aux config
* @dp_opts: Display port optional config
* @dp_clks: Display port clocks
*/
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 clk *pipe_clk;
unsigned int index;
struct qcom_qmp *qmp;
struct reset_control *lane_rst;
enum phy_mode mode;
unsigned int dp_aux_cfg;
struct phy_configure_opts_dp dp_opts;
struct qmp_phy_dp_clks *dp_clks;
};
struct qmp_phy_dp_clks {
struct qmp_phy *qphy;
struct clk_hw dp_link_hw;
struct clk_hw dp_pixel_hw;
};
/**
* struct qcom_qmp - structure holding QMP phy block attributes
*
* @dev: device
* @dp_com: iomapped memory space for phy's dp_com control block
*
* @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
* @phy_mutex: mutex lock for PHY common block initialization
* @init_count: phy common block initialization count
* @ufs_reset: optional UFS PHY reset handle
*/
struct qcom_qmp {
struct device *dev;
void __iomem *dp_com;
struct clk_bulk_data *clks;
struct reset_control **resets;
struct regulator_bulk_data *vregs;
struct qmp_phy **phys;
struct mutex phy_mutex;
int init_count;
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 = {
.type = PHY_TYPE_UFS,
.nlanes = 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 = {
.type = PHY_TYPE_UFS,
.nlanes = 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,
.is_dual_lane_phy = true,
.no_pcs_sw_reset = true,
};
static const struct qmp_phy_cfg sm6115_ufsphy_cfg = {
.type = PHY_TYPE_UFS,
.nlanes = 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,
.is_dual_lane_phy = false,
.no_pcs_sw_reset = true,
};
static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.type = PHY_TYPE_UFS,
.nlanes = 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,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.type = PHY_TYPE_UFS,
.nlanes = 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,
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sm8450_ufsphy_cfg = {
.type = PHY_TYPE_UFS,
.nlanes = 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,
.is_dual_lane_phy = true,
};
static void qcom_qmp_phy_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 qcom_qmp_phy_ufs_configure(void __iomem *base,
const unsigned int *regs,
const struct qmp_phy_init_tbl tbl[],
int num)
{
qcom_qmp_phy_ufs_configure_lane(base, regs, tbl, num, 0xff);
}
static int qcom_qmp_phy_ufs_serdes_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *serdes = qphy->serdes;
const struct phy_configure_opts_dp *dp_opts = &qphy->dp_opts;
const struct qmp_phy_init_tbl *serdes_tbl = cfg->serdes_tbl;
int serdes_tbl_num = cfg->serdes_tbl_num;
int ret;
qcom_qmp_phy_ufs_configure(serdes, cfg->regs, serdes_tbl, serdes_tbl_num);
if (cfg->serdes_tbl_sec)
qcom_qmp_phy_ufs_configure(serdes, cfg->regs, cfg->serdes_tbl_sec,
cfg->serdes_tbl_num_sec);
if (cfg->type == PHY_TYPE_DP) {
switch (dp_opts->link_rate) {
case 1620:
qcom_qmp_phy_ufs_configure(serdes, cfg->regs,
cfg->serdes_tbl_rbr,
cfg->serdes_tbl_rbr_num);
break;
case 2700:
qcom_qmp_phy_ufs_configure(serdes, cfg->regs,
cfg->serdes_tbl_hbr,
cfg->serdes_tbl_hbr_num);
break;
case 5400:
qcom_qmp_phy_ufs_configure(serdes, cfg->regs,
cfg->serdes_tbl_hbr2,
cfg->serdes_tbl_hbr2_num);
break;
case 8100:
qcom_qmp_phy_ufs_configure(serdes, cfg->regs,
cfg->serdes_tbl_hbr3,
cfg->serdes_tbl_hbr3_num);
break;
default:
/* Other link rates aren't supported */
return -EINVAL;
}
}
if (cfg->has_phy_com_ctrl) {
void __iomem *status;
unsigned int mask, val;
qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET], SW_RESET);
qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL],
SERDES_START | PCS_START);
status = serdes + cfg->regs[QPHY_COM_PCS_READY_STATUS];
mask = cfg->mask_com_pcs_ready;
ret = readl_poll_timeout(status, val, (val & mask), 10,
PHY_INIT_COMPLETE_TIMEOUT);
if (ret) {
dev_err(qmp->dev,
"phy common block init timed-out\n");
return ret;
}
}
return 0;
}
static int qcom_qmp_dp_phy_configure(struct phy *phy, union phy_configure_opts *opts)
{
const struct phy_configure_opts_dp *dp_opts = &opts->dp;
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
memcpy(&qphy->dp_opts, dp_opts, sizeof(*dp_opts));
if (qphy->dp_opts.set_voltages) {
cfg->configure_dp_tx(qphy);
qphy->dp_opts.set_voltages = 0;
}
return 0;
}
static int qcom_qmp_dp_phy_calibrate(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
if (cfg->calibrate_dp_phy)
return cfg->calibrate_dp_phy(qphy);
return 0;
}
static int qcom_qmp_phy_ufs_com_init(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *serdes = qphy->serdes;
void __iomem *pcs = qphy->pcs;
void __iomem *dp_com = qmp->dp_com;
int ret, i;
mutex_lock(&qmp->phy_mutex);
if (qmp->init_count++) {
mutex_unlock(&qmp->phy_mutex);
return 0;
}
/* 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);
goto err_unlock;
}
for (i = 0; i < cfg->num_resets; i++) {
ret = reset_control_assert(qmp->resets[i]);
if (ret) {
dev_err(qmp->dev, "%s reset assert failed\n",
cfg->reset_list[i]);
goto err_disable_regulators;
}
}
for (i = cfg->num_resets - 1; i >= 0; i--) {
ret = reset_control_deassert(qmp->resets[i]);
if (ret) {
dev_err(qmp->dev, "%s reset deassert failed\n",
qphy->cfg->reset_list[i]);
goto err_assert_reset;
}
}
ret = clk_bulk_prepare_enable(cfg->num_clks, qmp->clks);
if (ret)
goto err_assert_reset;
if (cfg->has_phy_dp_com_ctrl) {
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);
}
if (cfg->has_phy_com_ctrl) {
qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL],
SW_PWRDN);
} else {
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_POWER_DOWN_CONTROL,
cfg->pwrdn_ctrl);
}
mutex_unlock(&qmp->phy_mutex);
return 0;
err_assert_reset:
while (++i < cfg->num_resets)
reset_control_assert(qmp->resets[i]);
err_disable_regulators:
regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
err_unlock:
mutex_unlock(&qmp->phy_mutex);
return ret;
}
static int qcom_qmp_phy_ufs_com_exit(struct qmp_phy *qphy)
{
struct qcom_qmp *qmp = qphy->qmp;
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *serdes = qphy->serdes;
int i = cfg->num_resets;
mutex_lock(&qmp->phy_mutex);
if (--qmp->init_count) {
mutex_unlock(&qmp->phy_mutex);
return 0;
}
reset_control_assert(qmp->ufs_reset);
if (cfg->has_phy_com_ctrl) {
qphy_setbits(serdes, cfg->regs[QPHY_COM_START_CONTROL],
SERDES_START | PCS_START);
qphy_clrbits(serdes, cfg->regs[QPHY_COM_SW_RESET],
SW_RESET);
qphy_setbits(serdes, cfg->regs[QPHY_COM_POWER_DOWN_CONTROL],
SW_PWRDN);
}
while (--i >= 0)
reset_control_assert(qmp->resets[i]);
clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
regulator_bulk_disable(cfg->num_vregs, qmp->vregs);
mutex_unlock(&qmp->phy_mutex);
return 0;
}
static int qcom_qmp_phy_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 = qcom_qmp_phy_ufs_com_init(qphy);
if (ret)
return ret;
if (cfg->type == PHY_TYPE_DP)
cfg->dp_aux_init(qphy);
return 0;
}
static int qcom_qmp_phy_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 *pcs_misc = qphy->pcs_misc;
void __iomem *status;
unsigned int mask, val, ready;
int ret;
qcom_qmp_phy_ufs_serdes_init(qphy);
if (cfg->has_lane_rst) {
ret = reset_control_deassert(qphy->lane_rst);
if (ret) {
dev_err(qmp->dev, "lane%d reset deassert failed\n",
qphy->index);
return ret;
}
}
ret = clk_prepare_enable(qphy->pipe_clk);
if (ret) {
dev_err(qmp->dev, "pipe_clk enable failed err=%d\n", ret);
goto err_reset_lane;
}
/* Tx, Rx, and PCS configurations */
qcom_qmp_phy_ufs_configure_lane(tx, cfg->regs,
cfg->tx_tbl, cfg->tx_tbl_num, 1);
if (cfg->tx_tbl_sec)
qcom_qmp_phy_ufs_configure_lane(tx, cfg->regs, cfg->tx_tbl_sec,
cfg->tx_tbl_num_sec, 1);
/* Configuration for other LANE for USB-DP combo PHY */
if (cfg->is_dual_lane_phy) {
qcom_qmp_phy_ufs_configure_lane(qphy->tx2, cfg->regs,
cfg->tx_tbl, cfg->tx_tbl_num, 2);
if (cfg->tx_tbl_sec)
qcom_qmp_phy_ufs_configure_lane(qphy->tx2, cfg->regs,
cfg->tx_tbl_sec,
cfg->tx_tbl_num_sec, 2);
}
/* Configure special DP tx tunings */
if (cfg->type == PHY_TYPE_DP)
cfg->configure_dp_tx(qphy);
qcom_qmp_phy_ufs_configure_lane(rx, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 1);
if (cfg->rx_tbl_sec)
qcom_qmp_phy_ufs_configure_lane(rx, cfg->regs,
cfg->rx_tbl_sec, cfg->rx_tbl_num_sec, 1);
if (cfg->is_dual_lane_phy) {
qcom_qmp_phy_ufs_configure_lane(qphy->rx2, cfg->regs,
cfg->rx_tbl, cfg->rx_tbl_num, 2);
if (cfg->rx_tbl_sec)
qcom_qmp_phy_ufs_configure_lane(qphy->rx2, cfg->regs,
cfg->rx_tbl_sec,
cfg->rx_tbl_num_sec, 2);
}
/* Configure link rate, swing, etc. */
if (cfg->type == PHY_TYPE_DP) {
cfg->configure_dp_phy(qphy);
} else {
qcom_qmp_phy_ufs_configure(pcs, cfg->regs, cfg->pcs_tbl, cfg->pcs_tbl_num);
if (cfg->pcs_tbl_sec)
qcom_qmp_phy_ufs_configure(pcs, cfg->regs, cfg->pcs_tbl_sec,
cfg->pcs_tbl_num_sec);
}
ret = reset_control_deassert(qmp->ufs_reset);
if (ret)
goto err_disable_pipe_clk;
qcom_qmp_phy_ufs_configure(pcs_misc, cfg->regs, cfg->pcs_misc_tbl,
cfg->pcs_misc_tbl_num);
if (cfg->pcs_misc_tbl_sec)
qcom_qmp_phy_ufs_configure(pcs_misc, cfg->regs, cfg->pcs_misc_tbl_sec,
cfg->pcs_misc_tbl_num_sec);
/*
* Pull out PHY from POWER DOWN state.
* This is active low enable signal to power-down PHY.
*/
if(cfg->type == PHY_TYPE_PCIE)
qphy_setbits(pcs, QPHY_POWER_DOWN_CONTROL, cfg->pwrdn_ctrl);
if (cfg->has_pwrdn_delay)
usleep_range(cfg->pwrdn_delay_min, cfg->pwrdn_delay_max);
if (cfg->type != PHY_TYPE_DP) {
/* 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);
if (cfg->type == PHY_TYPE_UFS) {
status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
mask = PCS_READY;
ready = PCS_READY;
} else {
status = pcs + cfg->regs[QPHY_PCS_STATUS];
mask = cfg->phy_status;
ready = 0;
}
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");
goto err_disable_pipe_clk;
}
}
return 0;
err_disable_pipe_clk:
clk_disable_unprepare(qphy->pipe_clk);
err_reset_lane:
if (cfg->has_lane_rst)
reset_control_assert(qphy->lane_rst);
return ret;
}
static int qcom_qmp_phy_ufs_power_off(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
clk_disable_unprepare(qphy->pipe_clk);
if (cfg->type == PHY_TYPE_DP) {
/* Assert DP PHY power down */
writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
} else {
/* 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_POWER_DOWN_CONTROL,
cfg->pwrdn_ctrl);
}
}
return 0;
}
static int qcom_qmp_phy_ufs_exit(struct phy *phy)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
const struct qmp_phy_cfg *cfg = qphy->cfg;
if (cfg->has_lane_rst)
reset_control_assert(qphy->lane_rst);
qcom_qmp_phy_ufs_com_exit(qphy);
return 0;
}
static int qcom_qmp_phy_ufs_enable(struct phy *phy)
{
int ret;
ret = qcom_qmp_phy_ufs_init(phy);
if (ret)
return ret;
ret = qcom_qmp_phy_ufs_power_on(phy);
if (ret)
qcom_qmp_phy_ufs_exit(phy);
return ret;
}
static int qcom_qmp_phy_ufs_disable(struct phy *phy)
{
int ret;
ret = qcom_qmp_phy_ufs_power_off(phy);
if (ret)
return ret;
return qcom_qmp_phy_ufs_exit(phy);
}
static int qcom_qmp_phy_ufs_set_mode(struct phy *phy,
enum phy_mode mode, int submode)
{
struct qmp_phy *qphy = phy_get_drvdata(phy);
qphy->mode = mode;
return 0;
}
static void qcom_qmp_phy_ufs_enable_autonomous_mode(struct qmp_phy *qphy)
{
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *pcs = qphy->pcs;
void __iomem *pcs_misc = qphy->pcs_misc;
u32 intr_mask;
if (qphy->mode == PHY_MODE_USB_HOST_SS ||
qphy->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, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
/* Writing 1 followed by 0 clears the interrupt */
qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
qphy_clrbits(pcs, 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, 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 qcom_qmp_phy_ufs_disable_autonomous_mode(struct qmp_phy *qphy)
{
const struct qmp_phy_cfg *cfg = qphy->cfg;
void __iomem *pcs = qphy->pcs;
void __iomem *pcs_misc = qphy->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, cfg->regs[QPHY_PCS_AUTONOMOUS_MODE_CTRL],
ARCVR_DTCT_EN | ARCVR_DTCT_EVENT_SEL | ALFPS_DTCT_EN);
qphy_setbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
/* Writing 1 followed by 0 clears the interrupt */
qphy_clrbits(pcs, cfg->regs[QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR], IRQ_CLEAR);
}
static int __maybe_unused qcom_qmp_phy_ufs_runtime_suspend(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct qmp_phy *qphy = qmp->phys[0];
const struct qmp_phy_cfg *cfg = qphy->cfg;
dev_vdbg(dev, "Suspending QMP phy, mode:%d\n", qphy->mode);
/* Supported only for USB3 PHY and luckily USB3 is the first phy */
if (cfg->type != PHY_TYPE_USB3)
return 0;
if (!qmp->init_count) {
dev_vdbg(dev, "PHY not initialized, bailing out\n");
return 0;
}
qcom_qmp_phy_ufs_enable_autonomous_mode(qphy);
clk_disable_unprepare(qphy->pipe_clk);
clk_bulk_disable_unprepare(cfg->num_clks, qmp->clks);
return 0;
}
static int __maybe_unused qcom_qmp_phy_ufs_runtime_resume(struct device *dev)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
struct qmp_phy *qphy = qmp->phys[0];
const struct qmp_phy_cfg *cfg = qphy->cfg;
int ret = 0;
dev_vdbg(dev, "Resuming QMP phy, mode:%d\n", qphy->mode);
/* Supported only for USB3 PHY and luckily USB3 is the first phy */
if (cfg->type != PHY_TYPE_USB3)
return 0;
if (!qmp->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(qphy->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;
}
qcom_qmp_phy_ufs_disable_autonomous_mode(qphy);
return 0;
}
static int qcom_qmp_phy_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 qcom_qmp_phy_ufs_reset_init(struct device *dev, const struct qmp_phy_cfg *cfg)
{
struct qcom_qmp *qmp = dev_get_drvdata(dev);
int i;
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++) {
struct reset_control *rst;
const char *name = cfg->reset_list[i];
rst = devm_reset_control_get_exclusive(dev, name);
if (IS_ERR(rst)) {
dev_err(dev, "failed to get %s reset\n", name);
return PTR_ERR(rst);
}
qmp->resets[i] = rst;
}
return 0;
}
static int qcom_qmp_phy_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 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 qcom_qmp *qmp, struct device_node *np)
{
struct clk_fixed_rate *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;
}
fixed = devm_kzalloc(qmp->dev, sizeof(*fixed), GFP_KERNEL);
if (!fixed)
return -ENOMEM;
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);
}
/*
* Display Port PLL driver block diagram for branch clocks
*
* +------------------------------+
* | DP_VCO_CLK |
* | |
* | +-------------------+ |
* | | (DP PLL/VCO) | |
* | +---------+---------+ |
* | v |
* | +----------+-----------+ |
* | | hsclk_divsel_clk_src | |
* | +----------+-----------+ |
* +------------------------------+
* |
* +---------<---------v------------>----------+
* | |
* +--------v----------------+ |
* | dp_phy_pll_link_clk | |
* | link_clk | |
* +--------+----------------+ |
* | |
* | |
* v v
* Input to DISPCC block |
* for link clk, crypto clk |
* and interface clock |
* |
* |
* +--------<------------+-----------------+---<---+
* | | |
* +----v---------+ +--------v-----+ +--------v------+
* | vco_divided | | vco_divided | | vco_divided |
* | _clk_src | | _clk_src | | _clk_src |
* | | | | | |
* |divsel_six | | divsel_two | | divsel_four |
* +-------+------+ +-----+--------+ +--------+------+
* | | |
* v---->----------v-------------<------v
* |
* +----------+-----------------+
* | dp_phy_pll_vco_div_clk |
* +---------+------------------+
* |
* v
* Input to DISPCC block
* for DP pixel clock
*
*/
static int qcom_qmp_dp_pixel_clk_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
switch (req->rate) {
case 1620000000UL / 2:
case 2700000000UL / 2:
/* 5.4 and 8.1 GHz are same link rate as 2.7GHz, i.e. div 4 and div 6 */
return 0;
default:
return -EINVAL;
}
}
static unsigned long
qcom_qmp_dp_pixel_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
{
const struct qmp_phy_dp_clks *dp_clks;
const struct qmp_phy *qphy;
const struct phy_configure_opts_dp *dp_opts;
dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_pixel_hw);
qphy = dp_clks->qphy;
dp_opts = &qphy->dp_opts;
switch (dp_opts->link_rate) {
case 1620:
return 1620000000UL / 2;
case 2700:
return 2700000000UL / 2;
case 5400:
return 5400000000UL / 4;
case 8100:
return 8100000000UL / 6;
default:
return 0;
}
}
static const struct clk_ops qcom_qmp_dp_pixel_clk_ops = {
.determine_rate = qcom_qmp_dp_pixel_clk_determine_rate,
.recalc_rate = qcom_qmp_dp_pixel_clk_recalc_rate,
};
static int qcom_qmp_dp_link_clk_determine_rate(struct clk_hw *hw,
struct clk_rate_request *req)
{
switch (req->rate) {
case 162000000:
case 270000000:
case 540000000:
case 810000000:
return 0;
default:
return -EINVAL;
}
}
static unsigned long
qcom_qmp_dp_link_clk_recalc_rate(struct clk_hw *hw, unsigned long parent_rate)
{
const struct qmp_phy_dp_clks *dp_clks;
const struct qmp_phy *qphy;
const struct phy_configure_opts_dp *dp_opts;
dp_clks = container_of(hw, struct qmp_phy_dp_clks, dp_link_hw);
qphy = dp_clks->qphy;
dp_opts = &qphy->dp_opts;
switch (dp_opts->link_rate) {
case 1620:
case 2700:
case 5400:
case 8100:
return dp_opts->link_rate * 100000;
default:
return 0;
}
}
static const struct clk_ops qcom_qmp_dp_link_clk_ops = {
.determine_rate = qcom_qmp_dp_link_clk_determine_rate,
.recalc_rate = qcom_qmp_dp_link_clk_recalc_rate,
};
static struct clk_hw *
qcom_qmp_dp_clks_hw_get(struct of_phandle_args *clkspec, void *data)
{
struct qmp_phy_dp_clks *dp_clks = data;
unsigned int idx = clkspec->args[0];
if (idx >= 2) {
pr_err("%s: invalid index %u\n", __func__, idx);
return ERR_PTR(-EINVAL);
}
if (idx == 0)
return &dp_clks->dp_link_hw;
return &dp_clks->dp_pixel_hw;
}
static int phy_dp_clks_register(struct qcom_qmp *qmp, struct qmp_phy *qphy,
struct device_node *np)
{
struct clk_init_data init = { };
struct qmp_phy_dp_clks *dp_clks;
char name[64];
int ret;
dp_clks = devm_kzalloc(qmp->dev, sizeof(*dp_clks), GFP_KERNEL);
if (!dp_clks)
return -ENOMEM;
dp_clks->qphy = qphy;
qphy->dp_clks = dp_clks;
snprintf(name, sizeof(name), "%s::link_clk", dev_name(qmp->dev));
init.ops = &qcom_qmp_dp_link_clk_ops;
init.name = name;
dp_clks->dp_link_hw.init = &init;
ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_link_hw);
if (ret)
return ret;
snprintf(name, sizeof(name), "%s::vco_div_clk", dev_name(qmp->dev));
init.ops = &qcom_qmp_dp_pixel_clk_ops;
init.name = name;
dp_clks->dp_pixel_hw.init = &init;
ret = devm_clk_hw_register(qmp->dev, &dp_clks->dp_pixel_hw);
if (ret)
return ret;
ret = of_clk_add_hw_provider(np, qcom_qmp_dp_clks_hw_get, dp_clks);
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 const struct phy_ops qcom_qmp_phy_ufs_gen_ops = {
.init = qcom_qmp_phy_ufs_enable,
.exit = qcom_qmp_phy_ufs_disable,
.set_mode = qcom_qmp_phy_ufs_set_mode,
.owner = THIS_MODULE,
};
static const struct phy_ops qcom_qmp_phy_ufs_dp_ops = {
.init = qcom_qmp_phy_ufs_init,
.configure = qcom_qmp_dp_phy_configure,
.power_on = qcom_qmp_phy_ufs_power_on,
.calibrate = qcom_qmp_dp_phy_calibrate,
.power_off = qcom_qmp_phy_ufs_power_off,
.exit = qcom_qmp_phy_ufs_exit,
.set_mode = qcom_qmp_phy_ufs_set_mode,
.owner = THIS_MODULE,
};
static const struct phy_ops qcom_qmp_pcie_ufs_ops = {
.power_on = qcom_qmp_phy_ufs_enable,
.power_off = qcom_qmp_phy_ufs_disable,
.set_mode = qcom_qmp_phy_ufs_set_mode,
.owner = THIS_MODULE,
};
static void qcom_qmp_reset_control_put(void *data)
{
reset_control_put(data);
}
static
int qcom_qmp_phy_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;
const struct phy_ops *ops;
char prop_name[MAX_PROP_NAME];
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 = of_iomap(np, 0);
if (!qphy->tx)
return -ENOMEM;
qphy->rx = of_iomap(np, 1);
if (!qphy->rx)
return -ENOMEM;
qphy->pcs = of_iomap(np, 2);
if (!qphy->pcs)
return -ENOMEM;
/*
* If this is a dual-lane PHY, then there should be registers for the
* second lane. Some old device trees did not specify this, so fall
* back to old legacy behavior of assuming they can be reached at an
* offset from the first lane.
*/
if (cfg->is_dual_lane_phy) {
qphy->tx2 = of_iomap(np, 3);
qphy->rx2 = of_iomap(np, 4);
if (!qphy->tx2 || !qphy->rx2) {
dev_warn(dev,
"Underspecified device tree, falling back to legacy register regions\n");
/* In the old version, pcs_misc is at index 3. */
qphy->pcs_misc = qphy->tx2;
qphy->tx2 = qphy->tx + QMP_PHY_LEGACY_LANE_STRIDE;
qphy->rx2 = qphy->rx + QMP_PHY_LEGACY_LANE_STRIDE;
} else {
qphy->pcs_misc = of_iomap(np, 5);
}
} else {
qphy->pcs_misc = of_iomap(np, 3);
}
if (!qphy->pcs_misc)
dev_vdbg(dev, "PHY pcs_misc-reg not used\n");
/*
* Get PHY's Pipe clock, if any. USB3 and PCIe are PIPE3
* based phys, so they essentially have pipe clock. So,
* we return error in case phy is USB3 or PIPE type.
* Otherwise, we initialize pipe clock to NULL for
* all phys that don't need this.
*/
snprintf(prop_name, sizeof(prop_name), "pipe%d", id);
qphy->pipe_clk = devm_get_clk_from_child(dev, np, prop_name);
if (IS_ERR(qphy->pipe_clk)) {
if (cfg->type == PHY_TYPE_PCIE ||
cfg->type == PHY_TYPE_USB3) {
ret = PTR_ERR(qphy->pipe_clk);
if (ret != -EPROBE_DEFER)
dev_err(dev,
"failed to get lane%d pipe_clk, %d\n",
id, ret);
return ret;
}
qphy->pipe_clk = NULL;
}
/* Get lane reset, if any */
if (cfg->has_lane_rst) {
snprintf(prop_name, sizeof(prop_name), "lane%d", id);
qphy->lane_rst = of_reset_control_get_exclusive(np, prop_name);
if (IS_ERR(qphy->lane_rst)) {
dev_err(dev, "failed to get lane%d reset\n", id);
return PTR_ERR(qphy->lane_rst);
}
ret = devm_add_action_or_reset(dev, qcom_qmp_reset_control_put,
qphy->lane_rst);
if (ret)
return ret;
}
if (cfg->type == PHY_TYPE_UFS || cfg->type == PHY_TYPE_PCIE)
ops = &qcom_qmp_pcie_ufs_ops;
else if (cfg->type == PHY_TYPE_DP)
ops = &qcom_qmp_phy_ufs_dp_ops;
else
ops = &qcom_qmp_phy_ufs_gen_ops;
generic_phy = devm_phy_create(dev, np, 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->index = id;
qphy->qmp = qmp;
qmp->phys[id] = qphy;
phy_set_drvdata(generic_phy, qphy);
return 0;
}
static const struct of_device_id qcom_qmp_phy_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, qcom_qmp_phy_ufs_of_match_table);
static const struct dev_pm_ops qcom_qmp_phy_ufs_pm_ops = {
SET_RUNTIME_PM_OPS(qcom_qmp_phy_ufs_runtime_suspend,
qcom_qmp_phy_ufs_runtime_resume, NULL)
};
static int qcom_qmp_phy_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;
void __iomem *usb_serdes;
void __iomem *dp_serdes = NULL;
const struct qmp_phy_combo_cfg *combo_cfg = NULL;
const struct qmp_phy_cfg *cfg = NULL;
const struct qmp_phy_cfg *usb_cfg = NULL;
const struct qmp_phy_cfg *dp_cfg = NULL;
int num, id, expected_phys;
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 */
usb_serdes = serdes = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(serdes))
return PTR_ERR(serdes);
/* per PHY dp_com; if PHY has dp_com control block */
if (combo_cfg || cfg->has_phy_dp_com_ctrl) {
qmp->dp_com = devm_platform_ioremap_resource(pdev, 1);
if (IS_ERR(qmp->dp_com))
return PTR_ERR(qmp->dp_com);
}
if (combo_cfg) {
/* Only two serdes for combo PHY */
dp_serdes = devm_platform_ioremap_resource(pdev, 2);
if (IS_ERR(dp_serdes))
return PTR_ERR(dp_serdes);
dp_cfg = combo_cfg->dp_cfg;
expected_phys = 2;
} else {
expected_phys = cfg->nlanes;
}
mutex_init(&qmp->phy_mutex);
ret = qcom_qmp_phy_ufs_clk_init(dev, cfg);
if (ret)
return ret;
ret = qcom_qmp_phy_ufs_reset_init(dev, cfg);
if (ret)
return ret;
ret = qcom_qmp_phy_ufs_vreg_init(dev, cfg);
if (ret) {
if (ret != -EPROBE_DEFER)
dev_err(dev, "failed to get regulator supplies: %d\n",
ret);
return ret;
}
num = of_get_available_child_count(dev->of_node);
/* do we have a rogue child node ? */
if (num > expected_phys)
return -EINVAL;
qmp->phys = devm_kcalloc(dev, num, sizeof(*qmp->phys), GFP_KERNEL);
if (!qmp->phys)
return -ENOMEM;
pm_runtime_set_active(dev);
pm_runtime_enable(dev);
/*
* Prevent runtime pm from being ON by default. Users can enable
* it using power/control in sysfs.
*/
pm_runtime_forbid(dev);
id = 0;
for_each_available_child_of_node(dev->of_node, child) {
if (of_node_name_eq(child, "dp-phy")) {
cfg = dp_cfg;
serdes = dp_serdes;
} else if (of_node_name_eq(child, "usb3-phy")) {
cfg = usb_cfg;
serdes = usb_serdes;
}
/* Create per-lane phy */
ret = qcom_qmp_phy_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;
}
/*
* Register the pipe clock provided by phy.
* See function description to see details of this pipe clock.
*/
if (cfg->type == PHY_TYPE_USB3 || cfg->type == PHY_TYPE_PCIE) {
ret = phy_pipe_clk_register(qmp, child);
if (ret) {
dev_err(qmp->dev,
"failed to register pipe clock source\n");
goto err_node_put;
}
} else if (cfg->type == PHY_TYPE_DP) {
ret = phy_dp_clks_register(qmp, qmp->phys[id], child);
if (ret) {
dev_err(qmp->dev,
"failed to register DP clock source\n");
goto err_node_put;
}
}
id++;
}
phy_provider = devm_of_phy_provider_register(dev, of_phy_simple_xlate);
if (!IS_ERR(phy_provider))
dev_info(dev, "Registered Qcom-QMP phy\n");
else
pm_runtime_disable(dev);
return PTR_ERR_OR_ZERO(phy_provider);
err_node_put:
pm_runtime_disable(dev);
of_node_put(child);
return ret;
}
static struct platform_driver qcom_qmp_phy_ufs_driver = {
.probe = qcom_qmp_phy_ufs_probe,
.driver = {
.name = "qcom-qmp-ufs-phy",
.pm = &qcom_qmp_phy_ufs_pm_ops,
.of_match_table = qcom_qmp_phy_ufs_of_match_table,
},
};
module_platform_driver(qcom_qmp_phy_ufs_driver);
MODULE_AUTHOR("Vivek Gautam <vivek.gautam@codeaurora.org>");
MODULE_DESCRIPTION("Qualcomm QMP UFS PHY driver");
MODULE_LICENSE("GPL v2");
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