From c70052739d16bea404833fbf305db3ef5d4f875b Mon Sep 17 00:00:00 2001 From: Dmitry Baryshkov Date: Sat, 19 Nov 2022 01:32:40 +0200 Subject: [PATCH] phy: qcom-qmp-pcie: add support for sm8350 platform Add support for a single-lane and two-lane PCIe PHYs found on Qualcomm SM8350 platform. Signed-off-by: Dmitry Baryshkov Link: https://lore.kernel.org/r/20221118233242.2904088-7-dmitry.baryshkov@linaro.org Signed-off-by: Vinod Koul --- 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 c5867cbd50cb..d255c4f2b20f 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp-pcie.c @@ -1313,6 +1313,40 @@ 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, @@ -2613,7 +2721,11 @@ 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; @@ -2734,6 +2846,12 @@ 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, }, { -- 2.11.0