Add support for a single-lane and two-lane PCIe PHYs found on Qualcomm
SM8350 platform.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/phy/qualcomm/phy-qcom-qmp-pcie.c | 120 ++++++++++++++++++++++-
1 file changed, 119 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
index 4a55b2439952..8fa66458c259 100644
--- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
+++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c
@@ -1315,6 +1315,40 @@ static const struct qmp_phy_init_tbl sm8450_qmp_gen3x1_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V5_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
};
+static const struct qmp_phy_init_tbl sm8350_qmp_gen3x1_pcie_tx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x20),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0x75),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8350_qmp_gen3x1_pcie_rc_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xbf),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x07),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0xf0),
+};
+
+static const struct qmp_phy_init_tbl sm8350_qmp_gen3x2_pcie_rc_rx_tbl[] = {
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0x7f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0x34),
+ QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
+};
+
+static const struct qmp_phy_init_tbl sm8350_qmp_gen3x2_pcie_tx_tbl[] = {
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V5_TX_PI_QEC_CTRL, 0x02, 1),
+ QMP_PHY_INIT_CFG_LANE(QSERDES_V5_TX_PI_QEC_CTRL, 0x04, 2),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xd5),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x3f),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x1d),
+ QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0c),
+};
+
+static const struct qmp_phy_init_tbl sm8350_qmp_gen3x2_pcie_rc_pcs_tbl[] = {
+ QMP_PHY_INIT_CFG(QPHY_V5_PCS_EQ_CONFIG2, 0x0f),
+};
+
static const struct qmp_phy_init_tbl sm8450_qmp_gen4x2_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V5_COM_BIAS_EN_CLKBUFLR_EN, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V5_COM_PLL_IVCO, 0x0f),
@@ -2021,6 +2055,80 @@ static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
.phy_status = PHYSTATUS_4_20,
};
+static const struct qmp_phy_cfg sm8350_qmp_gen3x1_pciephy_cfg = {
+ .lanes = 1,
+
+ .offsets = &qmp_pcie_offsets_v5,
+
+ .tbls = {
+ .serdes = sm8450_qmp_gen3_pcie_serdes_tbl,
+ .serdes_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_serdes_tbl),
+ .tx = sm8350_qmp_gen3x1_pcie_tx_tbl,
+ .tx_num = ARRAY_SIZE(sm8350_qmp_gen3x1_pcie_tx_tbl),
+ .rx = sm8450_qmp_gen3_pcie_rx_tbl,
+ .rx_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_rx_tbl),
+ .pcs = sm8450_qmp_gen3_pcie_pcs_tbl,
+ .pcs_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_pcs_tbl),
+ .pcs_misc = sm8450_qmp_gen3x1_pcie_pcs_misc_tbl,
+ .pcs_misc_num = ARRAY_SIZE(sm8450_qmp_gen3x1_pcie_pcs_misc_tbl),
+ },
+
+ .tbls_rc = &(const struct qmp_phy_cfg_tbls) {
+ .serdes = sm8450_qmp_gen3x1_pcie_rc_serdes_tbl,
+ .serdes_num = ARRAY_SIZE(sm8450_qmp_gen3x1_pcie_rc_serdes_tbl),
+ .rx = sm8350_qmp_gen3x1_pcie_rc_rx_tbl,
+ .rx_num = ARRAY_SIZE(sm8350_qmp_gen3x1_pcie_rc_rx_tbl),
+ },
+
+ .clk_list = sc8280xp_pciephy_clk_l,
+ .num_clks = ARRAY_SIZE(sc8280xp_pciephy_clk_l),
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = sm8250_pcie_regs_layout,
+
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
+};
+
+static const struct qmp_phy_cfg sm8350_qmp_gen3x2_pciephy_cfg = {
+ .lanes = 2,
+
+ .offsets = &qmp_pcie_offsets_v5,
+
+ .tbls = {
+ .serdes = sm8450_qmp_gen3_pcie_serdes_tbl,
+ .serdes_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_serdes_tbl),
+ .tx = sm8350_qmp_gen3x2_pcie_tx_tbl,
+ .tx_num = ARRAY_SIZE(sm8350_qmp_gen3x2_pcie_tx_tbl),
+ .rx = sm8450_qmp_gen3_pcie_rx_tbl,
+ .rx_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_rx_tbl),
+ .pcs = sm8450_qmp_gen3_pcie_pcs_tbl,
+ .pcs_num = ARRAY_SIZE(sm8450_qmp_gen3_pcie_pcs_tbl),
+ .pcs_misc = sc8280xp_qmp_gen3x2_pcie_pcs_misc_tbl,
+ .pcs_misc_num = ARRAY_SIZE(sc8280xp_qmp_gen3x2_pcie_pcs_misc_tbl),
+ },
+
+ .tbls_rc = &(const struct qmp_phy_cfg_tbls) {
+ .rx = sm8350_qmp_gen3x2_pcie_rc_rx_tbl,
+ .rx_num = ARRAY_SIZE(sm8350_qmp_gen3x2_pcie_rc_rx_tbl),
+ .pcs = sm8350_qmp_gen3x2_pcie_rc_pcs_tbl,
+ .pcs_num = ARRAY_SIZE(sm8350_qmp_gen3x2_pcie_rc_pcs_tbl),
+ },
+
+ .clk_list = sc8280xp_pciephy_clk_l,
+ .num_clks = ARRAY_SIZE(sc8280xp_pciephy_clk_l),
+ .reset_list = sdm845_pciephy_reset_l,
+ .num_resets = ARRAY_SIZE(sdm845_pciephy_reset_l),
+ .vreg_list = qmp_phy_vreg_l,
+ .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
+ .regs = sm8250_pcie_regs_layout,
+
+ .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
+ .phy_status = PHYSTATUS,
+};
+
static const struct qmp_phy_cfg sm8450_qmp_gen3x1_pciephy_cfg = {
.lanes = 1,
@@ -2617,7 +2725,11 @@ static int qmp_pcie_parse_dt(struct qmp_pcie *qmp)
qmp->pipe_clks[0].id = "pipe";
qmp->pipe_clks[1].id = "pipediv2";
- ret = devm_clk_bulk_get(dev, qmp->num_pipe_clks, qmp->pipe_clks);
+ ret = devm_clk_bulk_get(dev, 1, qmp->pipe_clks);
+ if (ret)
+ return ret;
+
+ ret = devm_clk_bulk_get_optional(dev, qmp->num_pipe_clks - 1, qmp->pipe_clks + 1);
if (ret)
return ret;
@@ -2737,6 +2849,12 @@ static const struct of_device_id qmp_pcie_of_match_table[] = {
}, {
.compatible = "qcom,sm8250-qmp-modem-pcie-phy",
.data = &sm8250_qmp_gen3x2_pciephy_cfg,
+ }, {
+ .compatible = "qcom,sm8350-qmp-gen3x1-pcie-phy",
+ .data = &sm8350_qmp_gen3x1_pciephy_cfg,
+ }, {
+ .compatible = "qcom,sm8350-qmp-gen3x2-pcie-phy",
+ .data = &sm8350_qmp_gen3x2_pciephy_cfg,
}, {
.compatible = "qcom,sm8450-qmp-gen3x1-pcie-phy",
.data = &sm8450_qmp_gen3x1_pciephy_cfg,
--
2.35.1
