[PATCH v2 3/3] phy: qcom-qmp: Add SM8150 QMP UFS PHY support

Vinod Koul
2019-09-06T05:12:00Z

SM8150 UFS PHY is v4 of QMP phy. Add support for V4 QMP phy register
defines and support for SM8150 QMP UFS PHY.

Signed-off-by: Vinod Koul <vkoul@kernel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
---
drivers/phy/qualcomm/phy-qcom-qmp.c | 125 ++++++++++++++++++++++++++++
drivers/phy/qualcomm/phy-qcom-qmp.h | 96 +++++++++++++++++++++
2 files changed, 221 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
index 34ff6434da8f..92d3048f2b36 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
@@ -164,6 +164,11 @@ static const unsigned int sdm845_ufsphy_regs_layout[] = {
[QPHY_PCS_READY_STATUS] = 0x160,
};

+static const unsigned int sm8150_ufsphy_regs_layout[] = {
+ [QPHY_START_CTRL] = 0x00,
+ [QPHY_PCS_READY_STATUS] = 0x180,
+};
+
static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
@@ -878,6 +883,93 @@ static const struct qmp_phy_init_tbl msm8998_usb3_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
};

+static const struct qmp_phy_init_tbl sm8150_ufsphy_serdes_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_POWER_DOWN_CONTROL, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_SYSCLK_EN_SEL, 0xd9),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_HSCLK_SEL, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_HSCLK_HS_SWITCH_SEL, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_LOCK_CMP_EN, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_VCO_TUNE_MAP, 0x02),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_PLL_IVCO, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_VCO_TUNE_INITVAL2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_BIN_VCOCAL_HSCLK_SEL, 0x11),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_DEC_START_MODE0, 0x82),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_CP_CTRL_MODE0, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_PLL_RCTRL_MODE0, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_PLL_CCTRL_MODE0, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_LOCK_CMP1_MODE0, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_LOCK_CMP2_MODE0, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_DEC_START_MODE1, 0x98),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_CP_CTRL_MODE1, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_PLL_RCTRL_MODE1, 0x16),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_PLL_CCTRL_MODE1, 0x36),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_LOCK_CMP1_MODE1, 0x32),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_LOCK_CMP2_MODE1, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd),
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23),
+
+ /* Rate B */
+ QMP_PHY_INIT_CFG(QSERDES_COM_V4_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_RX_SIGDET_CTRL2, 0x6d),
+ QMP_PHY_INIT_CFG(QPHY_V4_TX_LARGE_AMP_DRV_LVL, 0x0a),
+ QMP_PHY_INIT_CFG(QPHY_V4_TX_SMALL_AMP_DRV_LVL, 0x02),
+ QMP_PHY_INIT_CFG(QPHY_V4_TX_MID_TERM_CTRL1, 0x43),
+ QMP_PHY_INIT_CFG(QPHY_V4_DEBUG_BUS_CLKSEL, 0x1f),
+ QMP_PHY_INIT_CFG(QPHY_V4_RX_MIN_HIBERN8_TIME, 0xff),
+ QMP_PHY_INIT_CFG(QPHY_V4_MULTI_LANE_CTRL1, 0x02),
+};

/* struct qmp_phy_cfg - per-PHY initialization config */
struct qmp_phy_cfg {
@@ -1038,6 +1130,10 @@ static const char * const sdm845_ufs_phy_clk_l[] = {
"ref", "ref_aux",
};

+static const char * const sm8150_ufs_phy_clk_l[] = {
+ "ref", "ref_aux",
+};
+
/* list of resets */
static const char * const msm8996_pciephy_reset_l[] = {
"phy", "common", "cfg",
@@ -1284,6 +1380,32 @@ static const struct qmp_phy_cfg msm8998_usb3phy_cfg = {
.is_dual_lane_phy = 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 = sm8150_ufs_phy_clk_l,
+ .num_clks = ARRAY_SIZE(sm8150_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,
+ .mask_pcs_ready = PCS_READY,
+
+ .is_dual_lane_phy = true,
+ .no_pcs_sw_reset = true,
+};
+
static void qcom_qmp_phy_configure(void __iomem *base,
const unsigned int *regs,
const struct qmp_phy_init_tbl tbl[],
@@ -1999,6 +2121,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,msm8998-qmp-usb3-phy",
.data = &msm8998_usb3phy_cfg,
+ }, {
+ .compatible = "qcom,sm8150-qmp-ufs-phy",
+ .data = &sm8150_ufsphy_cfg,
},
{ },
};
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
index 335ea5d7ef40..0eefd8621669 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
@@ -313,4 +313,100 @@
#define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG4 0x5c
#define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG5 0x60

+/* Only for QMP V4 PHY - QSERDES COM registers */
+#define QSERDES_COM_V4_SYSCLK_EN_SEL 0x094
+#define QSERDES_COM_V4_HSCLK_SEL 0x158
+#define QSERDES_COM_V4_HSCLK_HS_SWITCH_SEL 0x15C
+#define QSERDES_COM_V4_LOCK_CMP_EN 0x0A4
+#define QSERDES_COM_V4_VCO_TUNE_MAP 0x10C
+#define QSERDES_COM_V4_PLL_IVCO 0x058
+#define QSERDES_COM_V4_VCO_TUNE_INITVAL2 0x124
+#define QSERDES_COM_V4_BIN_VCOCAL_HSCLK_SEL 0x1BC
+#define QSERDES_COM_V4_DEC_START_MODE0 0x0BC
+#define QSERDES_COM_V4_CP_CTRL_MODE0 0x074
+#define QSERDES_COM_V4_PLL_RCTRL_MODE0 0x07C
+#define QSERDES_COM_V4_PLL_CCTRL_MODE0 0x084
+#define QSERDES_COM_V4_LOCK_CMP1_MODE0 0x0AC
+#define QSERDES_COM_V4_LOCK_CMP2_MODE0 0x0B0
+#define QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE1_MODE0 0x1AC
+#define QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE2_MODE0 0x1B0
+#define QSERDES_COM_V4_DEC_START_MODE1 0x0C4
+#define QSERDES_COM_V4_CP_CTRL_MODE1 0x078
+#define QSERDES_COM_V4_PLL_RCTRL_MODE1 0x080
+#define QSERDES_COM_V4_PLL_CCTRL_MODE1 0x088
+#define QSERDES_COM_V4_LOCK_CMP1_MODE1 0x0B4
+#define QSERDES_COM_V4_LOCK_CMP2_MODE1 0x0B8
+#define QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE1_MODE1 0x1B4
+#define QSERDES_COM_V4_BIN_VCOCAL_CMP_CODE2_MODE1 0x1B8
+#define QSERDES_COM_V4_CMN_IPTRIM 0x060
+
+/* Only for QMP V4 PHY - TX registers */
+#define QSERDES_V4_TX_PWM_GEAR_1_DIVIDER_BAND0_1 0xD8
+#define QSERDES_V4_TX_PWM_GEAR_2_DIVIDER_BAND0_1 0xDC
+#define QSERDES_V4_TX_PWM_GEAR_3_DIVIDER_BAND0_1 0xE0
+#define QSERDES_V4_TX_PWM_GEAR_4_DIVIDER_BAND0_1 0xE4
+#define QSERDES_V4_TX_LANE_MODE_1 0x84
+#define QSERDES_V4_TX_TRAN_DRVR_EMP_EN 0xB8
+
+/* Only for QMP V4 PHY - RX registers */
+#define QSERDES_V4_RX_SIGDET_LVL 0x120
+#define QSERDES_V4_RX_SIGDET_CNTRL 0x11C
+#define QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL 0x124
+#define QSERDES_V4_RX_RX_BAND 0x128
+#define QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN 0x030
+#define QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE 0x034
+#define QSERDES_V4_RX_UCDR_PI_CONTROLS 0x044
+#define QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW 0x03C
+#define QSERDES_V4_RX_UCDR_PI_CTRL2 0x048
+#define QSERDES_V4_RX_RX_TERM_BW 0x080
+#define QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2 0x0EC
+#define QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3 0x0F0
+#define QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4 0x0F4
+#define QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2 0x114
+#define QSERDES_V4_RX_RX_IDAC_MEASURE_TIME 0x100
+#define QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW 0x0F8
+#define QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH 0x0FC
+#define QSERDES_V4_RX_RX_MODE_00_LOW 0x170
+#define QSERDES_V4_RX_RX_MODE_00_HIGH 0x174
+#define QSERDES_V4_RX_RX_MODE_00_HIGH2 0x178
+#define QSERDES_V4_RX_RX_MODE_00_HIGH3 0x17C
+#define QSERDES_V4_RX_RX_MODE_00_HIGH4 0x180
+#define QSERDES_V4_RX_RX_MODE_01_LOW 0x184
+#define QSERDES_V4_RX_RX_MODE_01_HIGH 0x188
+#define QSERDES_V4_RX_RX_MODE_01_HIGH2 0x18C
+#define QSERDES_V4_RX_RX_MODE_01_HIGH3 0x190
+#define QSERDES_V4_RX_RX_MODE_01_HIGH4 0x194
+#define QSERDES_V4_RX_RX_MODE_10_LOW 0x198
+#define QSERDES_V4_RX_RX_MODE_10_HIGH 0x19C
+#define QSERDES_V4_RX_RX_MODE_10_HIGH2 0x1A0
+#define QSERDES_V4_RX_RX_MODE_10_HIGH3 0x1A4
+#define QSERDES_V4_RX_RX_MODE_10_HIGH4 0x1A8
+#define QSERDES_V4_RX_DCC_CTRL1 0x1BC
+#define QSERDES_V4_RX_AC_JTAG_ENABLE 0x068
+#define QSERDES_V4_RX_UCDR_FO_GAIN 0x008
+#define QSERDES_V4_RX_UCDR_SO_GAIN 0x014
+#define QSERDES_V4_RX_AC_JTAG_MODE 0x078
+
+/* Only for QMP V4 PHY - PCS registers */
+#define QPHY_V4_PHY_START 0x000
+#define QPHY_V4_POWER_DOWN_CONTROL 0x004
+#define QPHY_V4_SW_RESET 0x008
+#define QPHY_V4_PCS_READY_STATUS 0x180
+#define QPHY_V4_LINECFG_DISABLE 0x148
+#define QPHY_V4_MULTI_LANE_CTRL1 0x1E0
+#define QPHY_V4_RX_SIGDET_CTRL2 0x158
+#define QPHY_V4_TX_LARGE_AMP_DRV_LVL 0x030
+#define QPHY_V4_TX_SMALL_AMP_DRV_LVL 0x038
+#define QPHY_V4_TX_MID_TERM_CTRL1 0x1D8
+#define QPHY_V4_DEBUG_BUS_CLKSEL 0x124
+#define QPHY_V4_PLL_CNTL 0x02C
+#define QPHY_V4_TIMER_20US_CORECLK_STEPS_MSB 0x00C
+#define QPHY_V4_TIMER_20US_CORECLK_STEPS_LSB 0x010
+#define QPHY_V4_TX_PWM_GEAR_BAND 0x160
+#define QPHY_V4_TX_HS_GEAR_BAND 0x168
+#define QPHY_V4_TX_HSGEAR_CAPABILITY 0x074
+#define QPHY_V4_RX_HSGEAR_CAPABILITY 0x0B4
+#define QPHY_V4_RX_MIN_HIBERN8_TIME 0x150
+#define QPHY_V4_BIST_FIXED_PAT_CTRL 0x060
+
#endif
--
2.20.1