Add definitions required to enable QMP phy support for IPQ8074. Signed-off-by: smuthayy <smuthayy@xxxxxxxxxxxxxx> Signed-off-by: Varadarajan Narayanan <varada@xxxxxxxxxxxxxx> --- drivers/phy/qualcomm/phy-qcom-qmp.c | 135 ++++++++++++++++++++++++++++++++++++ 1 file changed, 135 insertions(+) diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c index 000ad1c..9019f66 100644 --- a/drivers/phy/qualcomm/phy-qcom-qmp.c +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c @@ -59,6 +59,7 @@ #define QSERDES_COM_PLL_RCTRL_MODE1 0x088 #define QSERDES_COM_PLL_CCTRL_MODE0 0x090 #define QSERDES_COM_PLL_CCTRL_MODE1 0x094 +#define QSERDES_COM_BIAS_EN_CTRL_BY_PSM 0x0a8 #define QSERDES_COM_SYSCLK_EN_SEL 0x0ac #define QSERDES_COM_RESETSM_CNTRL 0x0b4 #define QSERDES_COM_RESTRIM_CTRL 0x0bc @@ -143,6 +144,11 @@ #define QPHY_LOCK_DETECT_CONFIG3 0x88 #define QPHY_PWRUP_RESET_DLY_TIME_AUXCLK 0xa0 #define QPHY_LP_WAKEUP_DLY_TIME_AUXCLK 0xa4 +#define QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB 0x1A8 +#define QPHY_OSC_DTCT_ACTIONS 0x1AC +#define QPHY_RX_SIGDET_LVL 0x1D8 +#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB 0x1DC +#define QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB 0x1E0 /* QPHY_SW_RESET bit */ #define SW_RESET BIT(0) @@ -224,6 +230,17 @@ enum qphy_reg_layout { [QPHY_PCS_READY_STATUS] = 0x174, }; +static const unsigned int ipq8074_pciephy_regs_layout[] = { + [QPHY_COM_SW_RESET] = 0x800, + [QPHY_COM_POWER_DOWN_CONTROL] = 0x804, + [QPHY_COM_START_CONTROL] = 0x808, + [QPHY_COM_PCS_READY_STATUS] = QPHY_REG_INVAL, + [QPHY_PLL_LOCK_CHK_DLY_TIME] = 0xa8, + [QPHY_SW_RESET] = 0x00, + [QPHY_START_CTRL] = 0x08, + [QPHY_PCS_READY_STATUS] = 0x174, +}; + static const unsigned int usb3phy_regs_layout[] = { [QPHY_FLL_CNTRL1] = 0xc0, [QPHY_FLL_CNTRL2] = 0xc4, @@ -582,6 +599,121 @@ static inline void qphy_clrbits(void __iomem *base, u32 offset, u32 val) .mask_pcs_ready = PHYSTATUS, }; +static const struct qmp_phy_init_tbl ipq8074_pcie_serdes_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x18), + QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10), + QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0xf), + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_EN, 0x1), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x0), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER1, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_TIMER2, 0x3f), + QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x6), + QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0xf), + QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x0), + QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x1), + QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x20), + QMP_PHY_INIT_CFG(QSERDES_COM_CORECLK_DIV, 0xa), + QMP_PHY_INIT_CFG(QSERDES_COM_RESETSM_CNTRL, 0x20), + QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0xa), + QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0xa), + QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82), + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x3), + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55), + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55), + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x0), + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0xD), + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0xD04), + QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x33), + QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x2), + QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_BUF_ENABLE, 0x1f), + QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0xb), + QMP_PHY_INIT_CFG(QSERDES_COM_PLL_RCTRL_MODE0, 0x16), + QMP_PHY_INIT_CFG(QSERDES_COM_PLL_CCTRL_MODE0, 0x28), + QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN1_MODE0, 0x0), + QMP_PHY_INIT_CFG(QSERDES_COM_INTEGLOOP_GAIN0_MODE0, 0x80), + QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CTRL_BY_PSM, 0x1), + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_CTRL, 0xa), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x1), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x1), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x2), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x0), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0x2f), + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x19), + QMP_PHY_INIT_CFG(QSERDES_COM_CLK_EP_DIV, 0x19), + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x7), +}; + +static const struct qmp_phy_init_tbl ipq8074_pcie_tx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_TX_HIGHZ_TRANSCEIVEREN_BIAS_DRVR_EN, 0x45), + QMP_PHY_INIT_CFG(QSERDES_TX_LANE_MODE, 0x6), + QMP_PHY_INIT_CFG(QSERDES_TX_RES_CODE_LANE_OFFSET, 0x2), + QMP_PHY_INIT_CFG(QSERDES_TX_RCV_DETECT_LVL_2, 0x12), +}; + +static const struct qmp_phy_init_tbl ipq8074_pcie_rx_tbl[] = { + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x1c), + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x14), + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x1), + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x0), + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xdb), + QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x4b), + QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x4), + QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN_HALF, 0x4), +}; + +static const struct qmp_phy_init_tbl ipq8074_pcie_pcs_tbl[] = { + QMP_PHY_INIT_CFG(QPHY_ENDPOINT_REFCLK_DRIVE, 0x4), + QMP_PHY_INIT_CFG(QPHY_OSC_DTCT_ACTIONS, 0x0), + QMP_PHY_INIT_CFG(QPHY_PWRUP_RESET_DLY_TIME_AUXCLK, 0x40), + QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_MSB, 0x0), + QMP_PHY_INIT_CFG(QPHY_L1SS_WAKEUP_DLY_TIME_AUXCLK_LSB, 0x40), + QMP_PHY_INIT_CFG(QPHY_PLL_LOCK_CHK_DLY_TIME_AUXCLK_LSB, 0x0), + QMP_PHY_INIT_CFG(QPHY_LP_WAKEUP_DLY_TIME_AUXCLK, 0x40), + QMP_PHY_INIT_CFG_L(QPHY_PLL_LOCK_CHK_DLY_TIME, 0x73), + QMP_PHY_INIT_CFG(QPHY_RX_SIGDET_LVL, 0x99), + QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M6DB_V0, 0x15), + QMP_PHY_INIT_CFG(QPHY_TXDEEMPH_M3P5DB_V0, 0xe), + QMP_PHY_INIT_CFG_L(QPHY_SW_RESET, 0x0), + QMP_PHY_INIT_CFG_L(QPHY_START_CTRL, 0x3), +}; + +/* list of resets */ +static const char * const ipq8074_pciephy_reset_l[] = { + "phy", "phy_phy", +}; + +static const struct qmp_phy_cfg ipq8074_pciephy_cfg = { + .type = PHY_TYPE_PCIE, + .nlanes = 1, + + .serdes_tbl = ipq8074_pcie_serdes_tbl, + .serdes_tbl_num = ARRAY_SIZE(ipq8074_pcie_serdes_tbl), + .tx_tbl = ipq8074_pcie_tx_tbl, + .tx_tbl_num = ARRAY_SIZE(ipq8074_pcie_tx_tbl), + .rx_tbl = ipq8074_pcie_rx_tbl, + .rx_tbl_num = ARRAY_SIZE(ipq8074_pcie_rx_tbl), + .pcs_tbl = ipq8074_pcie_pcs_tbl, + .pcs_tbl_num = ARRAY_SIZE(ipq8074_pcie_pcs_tbl), + .clk_list = NULL, + .num_clks = 0, + .reset_list = ipq8074_pciephy_reset_l, + .num_resets = ARRAY_SIZE(ipq8074_pciephy_reset_l), + .vreg_list = NULL, + .num_vregs = 0, + .regs = ipq8074_pciephy_regs_layout, + + .start_ctrl = SERDES_START | PCS_START, + .pwrdn_ctrl = SW_PWRDN | REFCLK_DRV_DSBL, + .mask_pcs_ready = PHYSTATUS, + + .has_phy_com_ctrl = true, + .has_lane_rst = false, + .has_pwrdn_delay = true, + .pwrdn_delay_min = 995, /* us */ + .pwrdn_delay_max = 1005, /* us */ +}; + static void qcom_qmp_phy_configure(void __iomem *base, const unsigned int *regs, const struct qmp_phy_init_tbl tbl[], @@ -1047,6 +1179,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id) }, { .compatible = "qcom,msm8996-qmp-usb3-phy", .data = &msm8996_usb3phy_cfg, + }, { + .compatible = "qcom,ipq8074-qmp-pcie-phy", + .data = &ipq8074_pciephy_cfg, }, { }, }; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html