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Commit f839f14e authored by Bjorn Andersson's avatar Bjorn Andersson Committed by Vinod Koul
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phy: qcom-qmp: Add sc8180x PCIe support 

The Qualcomm SC8180x platform has 4 PCIe controllers and PHYs, typically
used to connect things such as a modem or NVME storage device. Add the
programming sequence to get the PHYs up and running.
Signed-off-by: default avatarBjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20210629004509.1788286-2-bjorn.andersson@linaro.orgSigned-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 05d58bb6
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drivers/phy/qualcomm/phy-qcom-qmp.c
View file @ f839f14e
......@@ -2035,6 +2035,113 @@ static const struct qmp_phy_init_tbl qmp_v4_dp_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_TX_EMP_POST1_LVL, 0x20),
};
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CORECLK_DIV_MODE1, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x42),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE0, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE2_MODE1, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE1_MODE1, 0xb4),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_HSCLK_SEL, 0x11),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE0, 0x82),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE0, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE0, 0x55),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE0, 0x55),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x1a),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0x0a),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x68),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START3_MODE1, 0x02),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START2_MODE1, 0xaa),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_DIV_FRAC_START1_MODE1, 0xab),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x34),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE0, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x16),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xca),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x18),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xa2),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_BUF_ENABLE, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_EN_CENTER, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER1, 0x31),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_PER2, 0x01),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE0, 0xde),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE0, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE1_MODE1, 0x4c),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SSC_STEP_SIZE2_MODE1, 0x06),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_ENABLE1, 0x90),
};
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_tx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_TX_RCV_DETECT_LVL_2, 0x12),
QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0x5),
};
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_rx_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x03),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_ENABLES, 0x1c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x14),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x07),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x6e),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x6e),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x4a),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DFE_EN_TIMER, 0x04),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0x70),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL1, 0x54),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_VGA_CAL_CNTRL2, 0x37),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_LOW, 0xd4),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH, 0x54),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH2, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH3, 0x39),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_10_HIGH4, 0x31),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_LOW, 0x24),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH, 0xe4),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH2, 0xec),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH3, 0x39),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_01_HIGH4, 0x36),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_LOW, 0x7f),
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, 0xdb),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_MODE_00_HIGH4, 0x75),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_RCLK_AUXDATA_SEL, 0xc0),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_DCC_CTRL1, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_GM_CAL, 0x05),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0c),
QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x03),
};
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_pcs_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_P2U3_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RX_SIGDET_LVL, 0xaa),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_RATE_SLEW_CNTRL1, 0x0b),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_REFGEN_REQ_CONFIG1, 0x0d),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_EQ_CONFIG5, 0x01),
};
static const struct qmp_phy_init_tbl sc8180x_qmp_pcie_pcs_misc_tbl[] = {
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_OSC_DTCT_ACTIONS, 0x00),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P1_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_L1P2_WAKEUP_DLY_TIME_AUXCLK_L, 0x01),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_INT_AUX_CLK_CONFIG1, 0x00),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_PRE, 0x00),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_PRESET_P10_POST, 0x58),
QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_ENDPOINT_REFCLK_DRIVE, 0xc1),
};
static const struct qmp_phy_init_tbl sm8250_qmp_pcie_serdes_tbl[] = {
QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0x08),
QMP_PHY_INIT_CFG(QSERDES_V4_COM_CLK_SELECT, 0x34),
......@@ -3399,6 +3506,36 @@ static const struct qmp_phy_cfg sm8150_usb3phy_cfg = {
.is_dual_lane_phy = true,
};
static const struct qmp_phy_cfg sc8180x_pciephy_cfg = {
.type = PHY_TYPE_PCIE,
.nlanes = 1,
.serdes_tbl = sm8250_qmp_pcie_serdes_tbl,
.serdes_tbl_num = ARRAY_SIZE(sm8250_qmp_pcie_serdes_tbl),
.tx_tbl = sc8180x_qmp_pcie_tx_tbl,
.tx_tbl_num = ARRAY_SIZE(sc8180x_qmp_pcie_tx_tbl),
.rx_tbl = sc8180x_qmp_pcie_rx_tbl,
.rx_tbl_num = ARRAY_SIZE(sc8180x_qmp_pcie_rx_tbl),
.pcs_tbl = sc8180x_qmp_pcie_pcs_tbl,
.pcs_tbl_num = ARRAY_SIZE(sc8180x_qmp_pcie_pcs_tbl),
.pcs_misc_tbl = sc8180x_qmp_pcie_pcs_misc_tbl,
.pcs_misc_tbl_num = ARRAY_SIZE(sc8180x_qmp_pcie_pcs_misc_tbl),
.clk_list = sdm845_pciephy_clk_l,
.num_clks = ARRAY_SIZE(sdm845_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,
.start_ctrl = PCS_START | SERDES_START,
.pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL,
.has_pwrdn_delay = true,
.pwrdn_delay_min = 995, /* us */
.pwrdn_delay_max = 1005, /* us */
};
static const struct qmp_phy_cfg sm8150_usb3_uniphy_cfg = {
.type = PHY_TYPE_USB3,
.nlanes = 1,
......@@ -5231,6 +5368,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
}, {
.compatible = "qcom,sc7180-qmp-usb3-dp-phy",
/* It's a combo phy */
}, {
.compatible = "qcom,sc8180x-qmp-pcie-phy",
.data = &sc8180x_pciephy_cfg,
}, {
.compatible = "qcom,sc8180x-qmp-ufs-phy",
.data = &sm8150_ufsphy_cfg,
......
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