@@ -12,6 +12,12 @@ config PHY_QCOM_IPQ4019_USB
help
Support for the USB PHY-s on Qualcomm IPQ40xx SoC-s.
+config PHY_QCOM_QMP_UFS
+ tristate "Qualcomm QMP UFS PHY driver"
+ depends on PHY && ARCH_SNAPDRAGON
+ help
+ Enable this to support the UFS QMP PHY on various Qualcomm chipsets.
+
config PHY_QCOM_USB_HS_28NM
tristate "Qualcomm 28nm High-Speed PHY"
depends on PHY && ARCH_SNAPDRAGON
@@ -1,4 +1,5 @@
obj-$(CONFIG_PHY_QCOM_IPQ4019_USB) += phy-qcom-ipq4019-usb.o
obj-$(CONFIG_MSM8916_USB_PHY) += msm8916-usbh-phy.o
+obj-$(CONFIG_PHY_QCOM_QMP_UFS) += phy-qcom-qmp-ufs.o
obj-$(CONFIG_PHY_QCOM_USB_HS_28NM) += phy-qcom-usb-hs-28nm.o
obj-$(CONFIG_PHY_QCOM_USB_SS) += phy-qcom-usb-ss.o
new file mode 100644
@@ -0,0 +1,996 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2023 Bhupesh Sharma <bhupesh.sharma@linaro.org>
+ *
+ * Based on Linux driver
+ */
+
+#include <clk.h>
+#include <clk-uclass.h>
+#include <common.h>
+#include <dm.h>
+#include <dm/device_compat.h>
+#include <dm/devres.h>
+#include <generic-phy.h>
+#include <malloc.h>
+#include <reset.h>
+
+#include <asm/io.h>
+#include <linux/bitops.h>
+#include <linux/clk-provider.h>
+#include <linux/delay.h>
+#include <linux/iopoll.h>
+#include <linux/ioport.h>
+
+#include <dt-bindings/clock/qcom,gcc-sm6115.h>
+
+#include "phy-qcom-qmp.h"
+#include "phy-qcom-qmp-pcs-ufs-v2.h"
+#include "phy-qcom-qmp-pcs-ufs-v3.h"
+#include "phy-qcom-qmp-pcs-ufs-v4.h"
+#include "phy-qcom-qmp-pcs-ufs-v5.h"
+#include "phy-qcom-qmp-pcs-ufs-v6.h"
+
+#include "phy-qcom-qmp-qserdes-com-v4.h"
+#include "phy-qcom-qmp-qserdes-txrx-v4.h"
+#include "phy-qcom-qmp-qserdes-txrx-ufs-v6.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_READY_STATUS bit */
+#define PCS_READY BIT(0)
+
+#define PHY_INIT_COMPLETE_TIMEOUT (200 * 10000)
+
+struct qmp_ufs_init_tbl {
+ unsigned int offset;
+ unsigned int val;
+ /*
+ * mask of lanes for which this register is written
+ * for cases when second lane needs different values
+ */
+ u8 lane_mask;
+};
+
+#define QMP_PHY_INIT_CFG(o, v) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .lane_mask = 0xff, \
+ }
+
+#define QMP_PHY_INIT_CFG_LANE(o, v, l) \
+ { \
+ .offset = o, \
+ .val = v, \
+ .lane_mask = l, \
+ }
+
+enum ufs_hs_gear_tag {
+ UFS_HS_DONT_CHANGE, /* Don't change Gear */
+ UFS_HS_G1, /* HS Gear 1 (default for reset) */
+ UFS_HS_G2, /* HS Gear 2 */
+ UFS_HS_G3, /* HS Gear 3 */
+ UFS_HS_G4, /* HS Gear 4 */
+ UFS_HS_G5 /* HS Gear 5 */
+};
+
+/* 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 ufsphy_v2_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_START_CTRL] = QPHY_V2_PCS_UFS_PHY_START,
+ [QPHY_PCS_READY_STATUS] = QPHY_V2_PCS_UFS_READY_STATUS,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V2_PCS_UFS_POWER_DOWN_CONTROL,
+};
+
+static const unsigned int ufsphy_v3_regs_layout[QPHY_LAYOUT_SIZE] = {
+ [QPHY_START_CTRL] = QPHY_V3_PCS_UFS_PHY_START,
+ [QPHY_PCS_READY_STATUS] = QPHY_V3_PCS_UFS_READY_STATUS,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V3_PCS_UFS_POWER_DOWN_CONTROL,
+};
+
+static const unsigned int ufsphy_v4_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,
+ [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V4_PCS_UFS_POWER_DOWN_CONTROL,
+};
+
+static const struct qmp_ufs_init_tbl sdm845_ufsphy_serdes[] = {
+ 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),
+};
+
+static const struct qmp_ufs_init_tbl sdm845_ufsphy_hs_b_serdes[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V3_COM_VCO_TUNE_MAP, 0x44),
+};
+
+static const struct qmp_ufs_init_tbl sdm845_ufsphy_tx[] = {
+ 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_ufs_init_tbl sdm845_ufsphy_rx[] = {
+ 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_ufs_init_tbl sdm845_ufsphy_pcs[] = {
+ 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_ufs_init_tbl sm6115_ufsphy_serdes[] = {
+ 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),
+};
+
+static const struct qmp_ufs_init_tbl sm6115_ufsphy_hs_b_serdes[] = {
+ QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x44),
+};
+
+static const struct qmp_ufs_init_tbl sm6115_ufsphy_tx[] = {
+ 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_ufs_init_tbl sm6115_ufsphy_rx[] = {
+ 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_ufs_init_tbl sm6115_ufsphy_pcs[] = {
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_RX_PWM_GEAR_BAND, 0x15),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0f),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_RX_MIN_STALL_NOCONFIG_TIME_CAP, 0x28),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_RX_SYM_RESYNC_CTRL, 0x03),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_TX_LARGE_AMP_POST_EMP_LVL, 0x12),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_TX_SMALL_AMP_POST_EMP_LVL, 0x0f),
+ QMP_PHY_INIT_CFG(QPHY_V2_PCS_UFS_RX_MIN_HIBERN8_TIME, 0x9a), /* 8 us */
+};
+
+static const struct qmp_ufs_init_tbl sm8150_ufsphy_serdes[] = {
+ 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),
+};
+
+static const struct qmp_ufs_init_tbl sm8150_ufsphy_hs_b_serdes[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06),
+};
+
+static const struct qmp_ufs_init_tbl sm8150_ufsphy_tx[] = {
+ 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_ufs_init_tbl sm8150_ufsphy_rx[] = {
+ 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_ufs_init_tbl sm8150_ufsphy_pcs[] = {
+ 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_ufs_init_tbl sm8150_ufsphy_hs_g4_pcs[] = {
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x10),
+ QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
+};
+
+static const struct qmp_ufs_init_tbl sm8250_ufsphy_hs_g4_tx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xe5),
+};
+
+static const struct qmp_ufs_init_tbl sm8250_ufsphy_hs_g4_rx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x81),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x6f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH2, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH3, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x2c),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x6d),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0x6d),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xed),
+ QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x3c),
+};
+
+struct qmp_ufs_offsets {
+ u16 serdes;
+ u16 pcs;
+ u16 tx;
+ u16 rx;
+ /* for PHYs with >= 2 lanes */
+ u16 tx2;
+ u16 rx2;
+};
+
+struct qmp_ufs_cfg_tbls {
+ /* Init sequence for PHY blocks - serdes, tx, rx, pcs */
+ const struct qmp_ufs_init_tbl *serdes;
+ int serdes_num;
+ const struct qmp_ufs_init_tbl *tx;
+ int tx_num;
+ const struct qmp_ufs_init_tbl *rx;
+ int rx_num;
+ const struct qmp_ufs_init_tbl *pcs;
+ int pcs_num;
+};
+
+/* struct qmp_ufs_cfg - per-PHY initialization config */
+struct qmp_ufs_cfg {
+ int lanes;
+
+ const struct qmp_ufs_offsets *offsets;
+
+ /* Main init sequence for PHY blocks - serdes, tx, rx, pcs */
+ const struct qmp_ufs_cfg_tbls tbls;
+ /* Additional sequence for HS Series B */
+ const struct qmp_ufs_cfg_tbls tbls_hs_b;
+ /* Additional sequence for HS G4 */
+ const struct qmp_ufs_cfg_tbls tbls_hs_g4;
+
+ /* 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;
+ /* resets to be requested */
+ const char * const *reset_list;
+ int num_resets;
+
+ /* array of registers with different offsets */
+ const unsigned int *regs;
+
+ /* true, if PCS block has no separate SW_RESET register */
+ bool no_pcs_sw_reset;
+};
+
+struct qmp_ufs_priv {
+ struct phy *phy;
+
+ void __iomem *serdes;
+ void __iomem *pcs;
+ void __iomem *pcs_misc;
+ void __iomem *tx;
+ void __iomem *rx;
+ void __iomem *tx2;
+ void __iomem *rx2;
+
+ struct clk *clks;
+ unsigned int clk_count;
+
+ struct reset_ctl *resets;
+ unsigned int reset_count;
+
+ const struct qmp_ufs_cfg *cfg;
+
+ struct udevice *dev;
+
+ u32 mode;
+ u32 submode;
+};
+
+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 sdm845_ufs_phy_clk_l[] = {
+ "ref", "ref_aux",
+};
+
+/* list of regulators */
+static const char * const qmp_ufs_vreg_l[] = {
+ "vdda-phy", "vdda-pll",
+};
+
+/* list of resets */
+static const char * const qmp_ufs_reset_l[] = {
+ "ufsphy",
+};
+
+static const struct qmp_ufs_offsets qmp_ufs_offsets = {
+ .serdes = 0,
+ .pcs = 0xc00,
+ .tx = 0x400,
+ .rx = 0x600,
+ .tx2 = 0x800,
+ .rx2 = 0xa00,
+};
+
+static const struct qmp_ufs_cfg sdm845_ufsphy_cfg = {
+ .lanes = 2,
+
+ .tbls = {
+ .serdes = sdm845_ufsphy_serdes,
+ .serdes_num = ARRAY_SIZE(sdm845_ufsphy_serdes),
+ .tx = sdm845_ufsphy_tx,
+ .tx_num = ARRAY_SIZE(sdm845_ufsphy_tx),
+ .rx = sdm845_ufsphy_rx,
+ .rx_num = ARRAY_SIZE(sdm845_ufsphy_rx),
+ .pcs = sdm845_ufsphy_pcs,
+ .pcs_num = ARRAY_SIZE(sdm845_ufsphy_pcs),
+ },
+ .tbls_hs_b = {
+ .serdes = sdm845_ufsphy_hs_b_serdes,
+ .serdes_num = ARRAY_SIZE(sdm845_ufsphy_hs_b_serdes),
+ },
+ .clk_list = sdm845_ufs_phy_clk_l,
+ .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
+ .vreg_list = qmp_ufs_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
+ .regs = ufsphy_v3_regs_layout,
+
+ .no_pcs_sw_reset = true,
+};
+
+static const struct qmp_ufs_cfg sm6115_ufsphy_cfg = {
+ .lanes = 1,
+
+ .offsets = &qmp_ufs_offsets,
+
+ .tbls = {
+ .serdes = sm6115_ufsphy_serdes,
+ .serdes_num = ARRAY_SIZE(sm6115_ufsphy_serdes),
+ .tx = sm6115_ufsphy_tx,
+ .tx_num = ARRAY_SIZE(sm6115_ufsphy_tx),
+ .rx = sm6115_ufsphy_rx,
+ .rx_num = ARRAY_SIZE(sm6115_ufsphy_rx),
+ .pcs = sm6115_ufsphy_pcs,
+ .pcs_num = ARRAY_SIZE(sm6115_ufsphy_pcs),
+ },
+ .tbls_hs_b = {
+ .serdes = sm6115_ufsphy_hs_b_serdes,
+ .serdes_num = ARRAY_SIZE(sm6115_ufsphy_hs_b_serdes),
+ },
+ .clk_list = sdm845_ufs_phy_clk_l,
+ .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
+ .vreg_list = qmp_ufs_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
+ .reset_list = qmp_ufs_reset_l,
+ .num_resets = ARRAY_SIZE(qmp_ufs_reset_l),
+ .regs = ufsphy_v2_regs_layout,
+
+ .no_pcs_sw_reset = true,
+};
+
+static const struct qmp_ufs_cfg sm8250_ufsphy_cfg = {
+ .lanes = 2,
+
+ .tbls = {
+ .serdes = sm8150_ufsphy_serdes,
+ .serdes_num = ARRAY_SIZE(sm8150_ufsphy_serdes),
+ .tx = sm8150_ufsphy_tx,
+ .tx_num = ARRAY_SIZE(sm8150_ufsphy_tx),
+ .rx = sm8150_ufsphy_rx,
+ .rx_num = ARRAY_SIZE(sm8150_ufsphy_rx),
+ .pcs = sm8150_ufsphy_pcs,
+ .pcs_num = ARRAY_SIZE(sm8150_ufsphy_pcs),
+ },
+ .tbls_hs_b = {
+ .serdes = sm8150_ufsphy_hs_b_serdes,
+ .serdes_num = ARRAY_SIZE(sm8150_ufsphy_hs_b_serdes),
+ },
+ .tbls_hs_g4 = {
+ .tx = sm8250_ufsphy_hs_g4_tx,
+ .tx_num = ARRAY_SIZE(sm8250_ufsphy_hs_g4_tx),
+ .rx = sm8250_ufsphy_hs_g4_rx,
+ .rx_num = ARRAY_SIZE(sm8250_ufsphy_hs_g4_rx),
+ .pcs = sm8150_ufsphy_hs_g4_pcs,
+ .pcs_num = ARRAY_SIZE(sm8150_ufsphy_hs_g4_pcs),
+ },
+ .clk_list = sdm845_ufs_phy_clk_l,
+ .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
+ .vreg_list = qmp_ufs_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_ufs_vreg_l),
+ .reset_list = qmp_ufs_reset_l,
+ .num_resets = ARRAY_SIZE(qmp_ufs_reset_l),
+ .regs = ufsphy_v4_regs_layout,
+
+ .no_pcs_sw_reset = false,
+};
+
+static void qmp_ufs_configure_lane(void __iomem *base,
+ const struct qmp_ufs_init_tbl tbl[],
+ int num,
+ u8 lane_mask)
+{
+ int i;
+ const struct qmp_ufs_init_tbl *t = tbl;
+
+ if (!t)
+ return;
+
+ for (i = 0; i < num; i++, t++) {
+ if (!(t->lane_mask & lane_mask))
+ continue;
+
+ writel(t->val, base + t->offset);
+ }
+}
+
+static void qmp_ufs_configure(void __iomem *base,
+ const struct qmp_ufs_init_tbl tbl[],
+ int num)
+{
+ qmp_ufs_configure_lane(base, tbl, num, 0xff);
+}
+
+static void qmp_ufs_serdes_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
+{
+ void __iomem *serdes = qmp->serdes;
+
+ qmp_ufs_configure(serdes, tbls->serdes, tbls->serdes_num);
+}
+
+static void qmp_ufs_lanes_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
+{
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+ void __iomem *tx = qmp->tx;
+ void __iomem *rx = qmp->rx;
+
+ qmp_ufs_configure_lane(tx, tbls->tx, tbls->tx_num, 1);
+ qmp_ufs_configure_lane(rx, tbls->rx, tbls->rx_num, 1);
+
+ if (cfg->lanes >= 2) {
+ qmp_ufs_configure_lane(qmp->tx2, tbls->tx, tbls->tx_num, 2);
+ qmp_ufs_configure_lane(qmp->rx2, tbls->rx, tbls->rx_num, 2);
+ }
+}
+
+static void qmp_ufs_pcs_init(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg_tbls *tbls)
+{
+ void __iomem *pcs = qmp->pcs;
+
+ qmp_ufs_configure(pcs, tbls->pcs, tbls->pcs_num);
+}
+
+static void qmp_ufs_init_registers(struct qmp_ufs_priv *qmp, const struct qmp_ufs_cfg *cfg)
+{
+ /* We support 'PHY_MODE_UFS_HS_B' mode & 'UFS_HS_G3' submode for now. */
+ qmp_ufs_serdes_init(qmp, &cfg->tbls);
+ qmp_ufs_serdes_init(qmp, &cfg->tbls_hs_b);
+ qmp_ufs_lanes_init(qmp, &cfg->tbls);
+ qmp_ufs_pcs_init(qmp, &cfg->tbls);
+}
+
+static int qmp_ufs_do_reset(struct qmp_ufs_priv *qmp)
+{
+ int i, ret;
+
+ for (i = 0; i < qmp->reset_count; i++) {
+ ret = reset_assert(&qmp->resets[i]);
+ if (ret)
+ return ret;
+ }
+
+ udelay(10);
+
+ for (i = 0; i < qmp->reset_count; i++) {
+ ret = reset_deassert(&qmp->resets[i]);
+ if (ret)
+ return ret;
+ }
+
+ udelay(50);
+
+ return 0;
+}
+
+static int qmp_ufs_power_on(struct phy *phy)
+{
+ struct qmp_ufs_priv *qmp = dev_get_priv(phy->dev);
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+ void __iomem *pcs = qmp->pcs;
+ void __iomem *status;
+ unsigned int val;
+ int ret;
+
+ /* Power down PHY */
+ qphy_setbits(pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL], SW_PWRDN);
+
+ qmp_ufs_init_registers(qmp, cfg);
+
+ if (cfg->no_pcs_sw_reset) {
+ ret = qmp_ufs_do_reset(qmp);
+ if (ret) {
+ printf("%s: qmp reset failed\n", __func__);
+ 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 */
+ qphy_setbits(pcs, cfg->regs[QPHY_START_CTRL], SERDES_START);
+
+ status = pcs + cfg->regs[QPHY_PCS_READY_STATUS];
+ ret = readl_poll_timeout(status, val, (val & PCS_READY), PHY_INIT_COMPLETE_TIMEOUT);
+ if (ret) {
+ printf("%s: phy initialization timed-out\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static int qmp_ufs_power_off(struct phy *phy)
+{
+ struct qmp_ufs_priv *qmp = dev_get_priv(phy->dev);
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+
+ /* PHY reset */
+ qphy_setbits(qmp->pcs, cfg->regs[QPHY_SW_RESET], SW_RESET);
+
+ /* stop SerDes and Phy-Coding-Sublayer */
+ qphy_clrbits(qmp->pcs, cfg->regs[QPHY_START_CTRL],
+ SERDES_START | PCS_START);
+
+ /* Put PHY into POWER DOWN state: active low */
+ qphy_clrbits(qmp->pcs, cfg->regs[QPHY_PCS_POWER_DOWN_CONTROL],
+ SW_PWRDN);
+
+ clk_release_all(qmp->clks, qmp->clk_count);
+
+ return 0;
+}
+
+static int qmp_ufs_vreg_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
+{
+ // TBD: Add regulator support later - if needed
+ return 0;
+}
+
+static int qmp_ufs_reset_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
+{
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+ int num = cfg->num_resets;
+ int i, ret;
+
+ qmp->reset_count = 0;
+ qmp->resets = devm_kcalloc(dev, num, sizeof(*qmp->resets), GFP_KERNEL);
+ if (!qmp->resets)
+ return -ENOMEM;
+
+ for (i = 0; i < num; i++) {
+ ret = reset_get_by_index(dev, i, &qmp->resets[i]);
+ if (ret < 0) {
+ printf("%s: failed to get reset %d\n", __func__, i);
+ goto reset_get_err;
+ }
+
+ ++qmp->reset_count;
+ }
+
+ return 0;
+
+reset_get_err:
+ ret = reset_release_all(qmp->resets, qmp->reset_count);
+ if (ret)
+ printf("%s: failed to disable all resets\n", __func__);
+
+ return ret;
+}
+
+static int qmp_ufs_clk_init(struct udevice *dev, struct qmp_ufs_priv *qmp)
+{
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+ int num = cfg->num_clks;
+ int i, ret;
+
+ qmp->clk_count = 0;
+ qmp->clks = devm_kcalloc(dev, num, sizeof(*qmp->clks), GFP_KERNEL);
+ if (!qmp->clks)
+ return -ENOMEM;
+
+ for (i = 0; i < num; i++) {
+ ret = clk_get_by_index(dev, i, &qmp->clks[i]);
+ if (ret < 0)
+ goto clk_get_err;
+
+ ret = clk_enable(&qmp->clks[i]);
+ if (ret && ret != -ENOSYS) {
+ printf("%s: failed to enable clock %d\n", __func__, i);
+ clk_free(&qmp->clks[i]);
+ goto clk_get_err;
+ }
+
+ ++qmp->clk_count;
+ }
+
+ return 0;
+
+clk_get_err:
+ ret = clk_release_all(qmp->clks, qmp->clk_count);
+ if (ret)
+ printf("%s: failed to disable all clocks\n", __func__);
+
+ return ret;
+}
+
+static int qmp_ufs_probe_generic_child(struct udevice *dev,
+ ofnode child)
+{
+ struct qmp_ufs_priv *qmp = dev_get_priv(dev);
+ const struct qmp_ufs_cfg *cfg = qmp->cfg;
+ struct resource res;
+ int ret;
+
+ /*
+ * Get memory resources for the PHY:
+ * Resources are indexed as: tx -> 0; rx -> 1; pcs -> 2.
+ * For dual lane PHYs: tx2 -> 3, rx2 -> 4, pcs_misc (optional) -> 5
+ * For single lane PHYs: pcs_misc (optional) -> 3.
+ */
+ ret = ofnode_read_resource(child, 0, &res);
+ if (ret) {
+ dev_err(dev, "can't get reg property of child %s\n",
+ ofnode_get_name(child));
+ return ret;
+ }
+
+ qmp->tx = (void __iomem *)res.start;
+
+ ret = ofnode_read_resource(child, 1, &res);
+ if (ret) {
+ dev_err(dev, "can't get reg property of child %s\n",
+ ofnode_get_name(child));
+ return ret;
+ }
+
+ qmp->rx = (void __iomem *)res.start;
+
+ ret = ofnode_read_resource(child, 2, &res);
+ if (ret) {
+ dev_err(dev, "can't get reg property of child %s\n",
+ ofnode_get_name(child));
+ return ret;
+ }
+
+ qmp->pcs = (void __iomem *)res.start;
+
+ if (cfg->lanes >= 2) {
+ ret = ofnode_read_resource(child, 3, &res);
+ if (ret) {
+ dev_err(dev, "can't get reg property of child %s\n",
+ ofnode_get_name(child));
+ return ret;
+ }
+
+ qmp->tx2 = (void __iomem *)res.start;
+
+ ret = ofnode_read_resource(child, 4, &res);
+ if (ret) {
+ dev_err(dev, "can't get reg property of child %s\n",
+ ofnode_get_name(child));
+ return ret;
+ }
+
+ qmp->rx2 = (void __iomem *)res.start;
+
+ ret = ofnode_read_resource(child, 5, &res);
+ if (ret)
+ qmp->pcs_misc = NULL;
+ } else {
+ ret = ofnode_read_resource(child, 3, &res);
+ if (ret)
+ qmp->pcs_misc = NULL;
+ }
+
+ if (!qmp->pcs_misc)
+ dev_warn(qmp->dev, "PHY pcs_misc-reg not used\n");
+
+ return 0;
+}
+
+static int qmp_ufs_probe_dt_children(struct udevice *dev)
+{
+ int ret;
+ ofnode child;
+
+ ofnode_for_each_subnode(child, dev_ofnode(dev)) {
+ ret = qmp_ufs_probe_generic_child(dev, child);
+ if (ret) {
+ dev_err(dev, "Cannot parse child %s:%d\n",
+ ofnode_get_name(child), ret);
+ return ret;
+ }
+ }
+
+ return 0;
+}
+
+static int qmp_ufs_probe(struct udevice *dev)
+{
+ struct qmp_ufs_priv *qmp = dev_get_priv(dev);
+ int ret;
+
+ qmp->serdes = (void __iomem *)dev_read_addr(dev);
+ if (IS_ERR(qmp->serdes))
+ return PTR_ERR(qmp->serdes);
+
+ qmp->cfg = (const struct qmp_ufs_cfg *)dev_get_driver_data(dev);
+ if (!qmp->cfg)
+ return -EINVAL;
+
+ ret = qmp_ufs_clk_init(dev, qmp);
+ if (ret) {
+ printf("%s: failed to get UFS clks\n", __func__);
+ return ret;
+ }
+
+ ret = qmp_ufs_vreg_init(dev, qmp);
+ if (ret) {
+ printf("%s: failed to get UFS voltage regulators\n", __func__);
+ return ret;
+ }
+
+ if (qmp->cfg->no_pcs_sw_reset) {
+ ret = qmp_ufs_reset_init(dev, qmp);
+ if (ret) {
+ printf("%s: failed to get UFS resets\n", __func__);
+ return ret;
+ }
+ }
+
+ qmp->dev = dev;
+
+ ret = qmp_ufs_probe_dt_children(dev);
+ if (ret) {
+ printf("%s: failed to get UFS dt regs\n", __func__);
+ return ret;
+ }
+
+ return 0;
+}
+
+static struct phy_ops qmp_ufs_ops = {
+ .power_on = qmp_ufs_power_on,
+ .power_off = qmp_ufs_power_off,
+};
+
+static const struct udevice_id qmp_ufs_ids[] = {
+ { .compatible = "qcom,sdm845-qmp-ufs-phy", .data = (ulong)&sdm845_ufsphy_cfg },
+ { .compatible = "qcom,sm6115-qmp-ufs-phy", .data = (ulong)&sm6115_ufsphy_cfg },
+ { .compatible = "qcom,sm8250-qmp-ufs-phy", .data = (ulong)&sm8250_ufsphy_cfg },
+ { }
+};
+
+U_BOOT_DRIVER(qcom_qmp_ufs) = {
+ .name = "qcom-qmp-ufs",
+ .id = UCLASS_PHY,
+ .of_match = qmp_ufs_ids,
+ .ops = &qmp_ufs_ops,
+ .probe = qmp_ufs_probe,
+ .priv_auto = sizeof(struct qmp_ufs_priv),
+};
new file mode 100644
@@ -0,0 +1,115 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Copyright (c) 2017, The Linux Foundation. All rights reserved.
+ */
+
+#ifndef QCOM_PHY_QMP_H_
+#define QCOM_PHY_QMP_H_
+
+#include "phy-qcom-qmp-qserdes-com.h"
+#include "phy-qcom-qmp-qserdes-txrx.h"
+
+#include "phy-qcom-qmp-qserdes-com-v3.h"
+#include "phy-qcom-qmp-qserdes-txrx-v3.h"
+
+#include "phy-qcom-qmp-qserdes-pll.h"
+
+#include "phy-qcom-qmp-pcs-v2.h"
+
+#include "phy-qcom-qmp-pcs-v3.h"
+
+/* Only for QMP V3 & V4 PHY - DP COM registers */
+#define QPHY_V3_DP_COM_PHY_MODE_CTRL 0x00
+#define QPHY_V3_DP_COM_SW_RESET 0x04
+#define QPHY_V3_DP_COM_POWER_DOWN_CTRL 0x08
+#define QPHY_V3_DP_COM_SWI_CTRL 0x0c
+#define QPHY_V3_DP_COM_TYPEC_CTRL 0x10
+#define QPHY_V3_DP_COM_TYPEC_PWRDN_CTRL 0x14
+#define QPHY_V3_DP_COM_RESET_OVRD_CTRL 0x1c
+
+/* QSERDES V3 COM bits */
+# define QSERDES_V3_COM_BIAS_EN 0x0001
+# define QSERDES_V3_COM_BIAS_EN_MUX 0x0002
+# define QSERDES_V3_COM_CLKBUF_R_EN 0x0004
+# define QSERDES_V3_COM_CLKBUF_L_EN 0x0008
+# define QSERDES_V3_COM_EN_SYSCLK_TX_SEL 0x0010
+# define QSERDES_V3_COM_CLKBUF_RX_DRIVE_L 0x0020
+# define QSERDES_V3_COM_CLKBUF_RX_DRIVE_R 0x0040
+
+/* QSERDES V3 TX bits */
+# define DP_PHY_TXn_TX_EMP_POST1_LVL_MASK 0x001f
+# define DP_PHY_TXn_TX_EMP_POST1_LVL_MUX_EN 0x0020
+# define DP_PHY_TXn_TX_DRV_LVL_MASK 0x001f
+# define DP_PHY_TXn_TX_DRV_LVL_MUX_EN 0x0020
+
+/* QMP PHY - DP PHY registers */
+#define QSERDES_DP_PHY_REVISION_ID0 0x000
+#define QSERDES_DP_PHY_REVISION_ID1 0x004
+#define QSERDES_DP_PHY_REVISION_ID2 0x008
+#define QSERDES_DP_PHY_REVISION_ID3 0x00c
+#define QSERDES_DP_PHY_CFG 0x010
+#define QSERDES_DP_PHY_PD_CTL 0x018
+# define DP_PHY_PD_CTL_PWRDN 0x001
+# define DP_PHY_PD_CTL_PSR_PWRDN 0x002
+# define DP_PHY_PD_CTL_AUX_PWRDN 0x004
+# define DP_PHY_PD_CTL_LANE_0_1_PWRDN 0x008
+# define DP_PHY_PD_CTL_LANE_2_3_PWRDN 0x010
+# define DP_PHY_PD_CTL_PLL_PWRDN 0x020
+# define DP_PHY_PD_CTL_DP_CLAMP_EN 0x040
+#define QSERDES_DP_PHY_MODE 0x01c
+#define QSERDES_DP_PHY_AUX_CFG0 0x020
+#define QSERDES_DP_PHY_AUX_CFG1 0x024
+#define QSERDES_DP_PHY_AUX_CFG2 0x028
+#define QSERDES_DP_PHY_AUX_CFG3 0x02c
+#define QSERDES_DP_PHY_AUX_CFG4 0x030
+#define QSERDES_DP_PHY_AUX_CFG5 0x034
+#define QSERDES_DP_PHY_AUX_CFG6 0x038
+#define QSERDES_DP_PHY_AUX_CFG7 0x03c
+#define QSERDES_DP_PHY_AUX_CFG8 0x040
+#define QSERDES_DP_PHY_AUX_CFG9 0x044
+
+/* Only for QMP V3 PHY - DP PHY registers */
+#define QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK 0x048
+# define PHY_AUX_STOP_ERR_MASK 0x01
+# define PHY_AUX_DEC_ERR_MASK 0x02
+# define PHY_AUX_SYNC_ERR_MASK 0x04
+# define PHY_AUX_ALIGN_ERR_MASK 0x08
+# define PHY_AUX_REQ_ERR_MASK 0x10
+
+#define QSERDES_V3_DP_PHY_AUX_INTERRUPT_CLEAR 0x04c
+#define QSERDES_V3_DP_PHY_AUX_BIST_CFG 0x050
+
+#define QSERDES_V3_DP_PHY_VCO_DIV 0x064
+#define QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL 0x06c
+#define QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL 0x088
+
+#define QSERDES_V3_DP_PHY_SPARE0 0x0ac
+#define DP_PHY_SPARE0_MASK 0x0f
+#define DP_PHY_SPARE0_ORIENTATION_INFO_SHIFT 0x04(0x0004)
+
+#define QSERDES_V3_DP_PHY_STATUS 0x0c0
+
+/* Only for QMP V4 PHY - DP PHY registers */
+#define QSERDES_V4_DP_PHY_CFG_1 0x014
+#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_MASK 0x054
+#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_CLEAR 0x058
+#define QSERDES_V4_DP_PHY_VCO_DIV 0x070
+#define QSERDES_V4_DP_PHY_TX0_TX1_LANE_CTL 0x078
+#define QSERDES_V4_DP_PHY_TX2_TX3_LANE_CTL 0x09c
+#define QSERDES_V4_DP_PHY_SPARE0 0x0c8
+#define QSERDES_V4_DP_PHY_AUX_INTERRUPT_STATUS 0x0d8
+#define QSERDES_V4_DP_PHY_STATUS 0x0dc
+
+/* Only for QMP V4 PHY - PCS_MISC registers */
+#define QPHY_V4_PCS_MISC_TYPEC_CTRL 0x00
+#define QPHY_V4_PCS_MISC_TYPEC_PWRDN_CTRL 0x04
+#define QPHY_V4_PCS_MISC_PCS_MISC_CONFIG1 0x08
+#define QPHY_V4_PCS_MISC_CLAMP_ENABLE 0x0c
+#define QPHY_V4_PCS_MISC_TYPEC_STATUS 0x10
+#define QPHY_V4_PCS_MISC_PLACEHOLDER_STATUS 0x14
+
+/* Only for QMP V6 PHY - DP PHY registers */
+#define QSERDES_V6_DP_PHY_AUX_INTERRUPT_STATUS 0x0e0
+#define QSERDES_V6_DP_PHY_STATUS 0x0e4
+
+#endif
Add Qualcomm QMP UFS PHY driver which is available on the following Snapdragon SoCs - SDM845, SM6115 and SM8250 SoCs. Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> --- drivers/phy/qcom/Kconfig | 6 + drivers/phy/qcom/Makefile | 1 + drivers/phy/qcom/phy-qcom-qmp-ufs.c | 996 ++++++++++++++++++++++++++++ drivers/phy/qcom/phy-qcom-qmp.h | 115 ++++ 4 files changed, 1118 insertions(+) create mode 100644 drivers/phy/qcom/phy-qcom-qmp-ufs.c create mode 100644 drivers/phy/qcom/phy-qcom-qmp.h