[PATCH 6/6] phy: qcom: qmp-combo: Add SM8475 support
Esteban Urrutia via B4 Relay
devnull+esteuwu.proton.me at kernel.org
Mon Jul 13 23:36:44 PDT 2026
From: Esteban Urrutia <esteuwu at proton.me>
Has been tested with the following capabilities:
- USB Type-C at 10Gb/s
- DP Alt Mode, using HBR2
- USB Type-C at 480Mb/s + DP Alt Mode, using HBR2
RX and PCS USB tables had to be added, while serdes, TX and PCS tables were
reused from other SoCs.
Signed-off-by: Esteban Urrutia <esteuwu at proton.me>
---
drivers/phy/qualcomm/phy-qcom-qmp-combo.c | 98 +++++++++++++++++++++++++++++++
1 file changed, 98 insertions(+)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
index 8c09d4c1594d..2a58a1c3cb64 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-combo.c
@@ -1063,6 +1063,55 @@ static const struct qmp_phy_init_tbl sm8350_usb3_pcs_usb_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
};
+static const struct qmp_phy_init_tbl sm8475_usb3_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x06),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_PI_CONTROLS, 0x99),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_GAIN1, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_GAIN2, 0x08),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL1, 0x54),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_GM_CAL, 0x13),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_LOW, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CNTRL, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_LOW, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH2, 0xff),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH3, 0xdf),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH4, 0xfe),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_LOW, 0xdc),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH, 0x5c),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH2, 0x9c),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH3, 0x1d),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH4, 0x09),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_EN_TIMER, 0x04),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_DCC_CTRL1, 0x0c),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_VTH_CODE, 0x10),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_CTRL1, 0x14),
+ QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_TRIM, 0x08),
+};
+
+static const struct qmp_phy_init_tbl sm8475_usb3_pcs_usb_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
+ QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
+ QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
+ QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
+};
+
static const struct qmp_phy_init_tbl sm8550_usb3_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0xc0),
QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x01),
@@ -2916,6 +2965,51 @@ static const struct qmp_phy_cfg sm8350_usb3dpphy_cfg = {
.has_pwrdn_delay = true,
};
+static const struct qmp_phy_cfg sm8475_usb3dpphy_cfg = {
+ .offsets = &qmp_combo_offsets_v3,
+
+ .serdes_tbl = sar2130p_usb3_serdes_tbl,
+ .serdes_tbl_num = ARRAY_SIZE(sar2130p_usb3_serdes_tbl),
+ .tx_tbl = sm8550_usb3_tx_tbl,
+ .tx_tbl_num = ARRAY_SIZE(sm8550_usb3_tx_tbl),
+ .rx_tbl = sm8475_usb3_rx_tbl,
+ .rx_tbl_num = ARRAY_SIZE(sm8475_usb3_rx_tbl),
+ .pcs_tbl = sm8550_usb3_pcs_tbl,
+ .pcs_tbl_num = ARRAY_SIZE(sm8550_usb3_pcs_tbl),
+ .pcs_usb_tbl = sm8475_usb3_pcs_usb_tbl,
+ .pcs_usb_tbl_num = ARRAY_SIZE(sm8475_usb3_pcs_usb_tbl),
+
+ .dp_serdes_tbl = qmp_v6_dp_v1_serdes_tbl,
+ .dp_serdes_tbl_num = ARRAY_SIZE(qmp_v6_dp_v1_serdes_tbl),
+ .dp_tx_tbl = qmp_v6_dp_tx_tbl,
+ .dp_tx_tbl_num = ARRAY_SIZE(qmp_v6_dp_tx_tbl),
+
+ .serdes_tbl_rbr = qmp_v6_dp_v1_serdes_tbl_rbr,
+ .serdes_tbl_rbr_num = ARRAY_SIZE(qmp_v6_dp_v1_serdes_tbl_rbr),
+ .serdes_tbl_hbr = qmp_v6_dp_v1_serdes_tbl_hbr,
+ .serdes_tbl_hbr_num = ARRAY_SIZE(qmp_v6_dp_v1_serdes_tbl_hbr),
+ .serdes_tbl_hbr2 = qmp_v6_dp_v1_serdes_tbl_hbr2,
+ .serdes_tbl_hbr2_num = ARRAY_SIZE(qmp_v6_dp_v1_serdes_tbl_hbr2),
+ .serdes_tbl_hbr3 = qmp_v6_dp_v1_serdes_tbl_hbr3,
+ .serdes_tbl_hbr3_num = ARRAY_SIZE(qmp_v6_dp_v1_serdes_tbl_hbr3),
+
+ .swing_hbr_rbr = &qmp_dp_v4_voltage_swing_hbr_rbr,
+ .pre_emphasis_hbr_rbr = &qmp_dp_v4_pre_emphasis_hbr_rbr,
+ .swing_hbr3_hbr2 = &qmp_dp_v3_voltage_swing_hbr3_hbr2,
+ .pre_emphasis_hbr3_hbr2 = &qmp_dp_v4_pre_emphasis_hbr3_hbr2,
+
+ .dp_aux_init = qmp_v4_dp_aux_init,
+ .configure_dp_tx = qmp_v4_configure_dp_tx,
+ .configure_dp_clocks = qmp_v3_configure_dp_clocks,
+ .configure_dp_phy = qmp_v4_configure_dp_phy,
+
+ .regs = qmp_v6_usb3phy_regs_layout,
+ .reset_list = msm8996_usb3phy_reset_l,
+ .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+};
+
static const struct qmp_phy_cfg sm8550_usb3dpphy_cfg = {
.offsets = &qmp_combo_offsets_v3,
@@ -5103,6 +5197,10 @@ static const struct of_device_id qmp_combo_of_match_table[] = {
.compatible = "qcom,sm8450-qmp-usb3-dp-phy",
.data = &sm8350_usb3dpphy_cfg,
},
+ {
+ .compatible = "qcom,sm8475-qmp-usb3-dp-phy",
+ .data = &sm8475_usb3dpphy_cfg,
+ },
{
.compatible = "qcom,sm8550-qmp-usb3-dp-phy",
.data = &sm8550_usb3dpphy_cfg,
--
2.55.0
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