[PATCH v4 08/23] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8250 SoC

Manivannan Sadhasivam
2022-12-01T17:45:24Z

UFS PHY in SM8250 SoC is capable of operating at HS G4 mode. Hence, add the
required register settings using the tables_hs_g4 struct instance. This
also requires a separate qmp_phy_cfg for SM8250 instead of reusing SM8150.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
.../phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h | 1 +
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 62 ++++++++++++++++++-
2 files changed, 62 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h
index bcca23493b7e..3aa4232f84a6 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcs-ufs-v5.h
@@ -13,6 +13,7 @@
#define QPHY_V5_PCS_UFS_PLL_CNTL 0x02c
#define QPHY_V5_PCS_UFS_TX_LARGE_AMP_DRV_LVL 0x030
#define QPHY_V5_PCS_UFS_TX_SMALL_AMP_DRV_LVL 0x038
+#define QPHY_V5_PCS_UFS_BIST_FIXED_PAT_CTRL 0x060
#define QPHY_V5_PCS_UFS_TX_HSGEAR_CAPABILITY 0x074
#define QPHY_V5_PCS_UFS_RX_HSGEAR_CAPABILITY 0x0b4
#define QPHY_V5_PCS_UFS_DEBUG_BUS_CLKSEL 0x124
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index 269f96a0f752..d5324c4e8513 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -449,6 +449,34 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_hs_g4_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
};

+static const struct qmp_phy_init_tbl sm8250_ufsphy_hs_g4_tx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xe5),
+};
+
+static const struct qmp_phy_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),
+};
+
static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11),
@@ -805,6 +833,38 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.regs = sm8150_ufsphy_regs_layout,
};

+static const struct qmp_phy_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_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = sm8150_ufsphy_regs_layout,
+};
+
static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.lanes = 2,

@@ -1297,7 +1357,7 @@ static const struct of_device_id qmp_ufs_of_match_table[] = {
.data = &sm8150_ufsphy_cfg,
}, {
.compatible = "qcom,sm8250-qmp-ufs-phy",
- .data = &sm8150_ufsphy_cfg,
+ .data = &sm8250_ufsphy_cfg,
}, {
.compatible = "qcom,sm8350-qmp-ufs-phy",
.data = &sm8350_ufsphy_cfg,
--
2.25.1