[PATCH v4 07/23] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8150 SoC

Manivannan Sadhasivam
2022-12-01T17:45:13Z

UFS PHY in SM8150 SoC is capable of operating at HS G4 mode. Hence, add the
required register settings using the tables_hs_g4 struct instance.

Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/phy/qualcomm/phy-qcom-qmp-ufs.c | 36 +++++++++++++++++++++++++
1 file changed, 36 insertions(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
index 97d0baa9bac3..269f96a0f752 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -374,6 +374,10 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_tx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TRAN_DRVR_EMP_EN, 0x0c),
};

+static const struct qmp_phy_init_tbl sm8150_ufsphy_hs_g4_tx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x75),
+};
+
static const struct qmp_phy_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),
@@ -411,6 +415,25 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_rx[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0xb1),
};

+static const struct qmp_phy_init_tbl sm8150_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_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, 0x6c),
+ 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 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),
@@ -421,6 +444,11 @@ static const struct qmp_phy_init_tbl sm8150_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};

+static const struct qmp_phy_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_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),
@@ -762,6 +790,14 @@ static const struct qmp_phy_cfg sm8150_ufsphy_cfg = {
.serdes = sm8150_ufsphy_hs_b_serdes,
.serdes_num = ARRAY_SIZE(sm8150_ufsphy_hs_b_serdes),
},
+ .tbls_hs_g4 = {
+ .tx = sm8150_ufsphy_hs_g4_tx,
+ .tx_num = ARRAY_SIZE(sm8150_ufsphy_hs_g4_tx),
+ .rx = sm8150_ufsphy_hs_g4_rx,
+ .rx_num = ARRAY_SIZE(sm8150_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,
--
2.25.1