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Subject[PATCH v6 10/12] phy: qcom-qmp-ufs: Add HS G4 mode support to SM8350 SoC
Date
UFS PHY in SM8350 SoC is capable of operating at HS G4 mode. Hence, add the
required register settings using the tables_hs_g4 struct instance.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Tested-by: Andrew Halaney <ahalaney@redhat.com> # Qdrive3/sa8540p-ride
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 421359ca62ba..b784eed2eb1f 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
@@ -576,6 +576,34 @@ static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs[] = {
QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
};

+static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_tx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xe5),
+};
+
+static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_rx[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CTRL2, 0x81),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_TERM_BW, 0x6f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_MEASURE_TIME, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_LOW, 0x80),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_IDAC_TSETTLE_HIGH, 0x01),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0x2d),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x6d),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x6d),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xed),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0x3c),
+};
+
+static const struct qmp_phy_init_tbl sm8350_ufsphy_g4_pcs[] = {
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_UFS_BIST_FIXED_PAT_CTRL, 0x0a),
+};
+
struct qmp_ufs_offsets {
u16 serdes;
u16 pcs;
@@ -882,6 +910,14 @@ static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
.serdes = sm8350_ufsphy_hs_b_serdes,
.serdes_num = ARRAY_SIZE(sm8350_ufsphy_hs_b_serdes),
},
+ .tbls_hs_g4 = {
+ .tx = sm8350_ufsphy_g4_tx,
+ .tx_num = ARRAY_SIZE(sm8350_ufsphy_g4_tx),
+ .rx = sm8350_ufsphy_g4_rx,
+ .rx_num = ARRAY_SIZE(sm8350_ufsphy_g4_rx),
+ .pcs = sm8350_ufsphy_g4_pcs,
+ .pcs_num = ARRAY_SIZE(sm8350_ufsphy_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
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