Re: [PATCH 4/4] phy: qcom-qmp: Add support for SM8350 UFS phy

From: Bjorn Andersson
Date: Tue Jan 26 2021 - 03:05:37 EST


On Mon 25 Jan 04:09 CST 2021, Vinod Koul wrote:

> Add the tables for init sequences for UFS QMP phy found in SM8350 SoC.
>

Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>

Regards,
Bjorn

> Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
> ---
> drivers/phy/qualcomm/phy-qcom-qmp.c | 127 ++++++++++++++++++++++++++++
> 1 file changed, 127 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index dbc12a19b702..4a9d1010910d 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -1983,6 +1983,106 @@ static const struct qmp_phy_init_tbl sm8250_qmp_gen3x2_pcie_pcs_misc_tbl[] = {
> QMP_PHY_INIT_CFG(QPHY_V4_PCS_PCIE_POWER_STATE_CONFIG4, 0x07),
> };
>
> +static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_SYSCLK_EN_SEL, 0xd9),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_SEL, 0x11),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_HSCLK_HS_SWITCH_SEL, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP_EN, 0x42),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_IVCO, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_INITVAL2, 0x00),
> + 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_CP_CTRL_MODE0, 0x14),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE0, 0x18),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE0, 0x18),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE0, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE0, 0x19),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xac),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_DEC_START_MODE1, 0x98),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_CP_CTRL_MODE1, 0x14),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_RCTRL_MODE1, 0x18),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_PLL_CCTRL_MODE1, 0x18),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP1_MODE1, 0x65),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_LOCK_CMP2_MODE1, 0x1e),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xdd),
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x23),
> +
> + /* Rate B */
> + QMP_PHY_INIT_CFG(QSERDES_V4_COM_VCO_TUNE_MAP, 0x06),
> +};
> +
> +static const struct qmp_phy_init_tbl sm8350_ufsphy_tx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_TX_PWM_GEAR_1_DIVIDER_BAND0_1, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_TX_PWM_GEAR_2_DIVIDER_BAND0_1, 0x03),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_TX_PWM_GEAR_3_DIVIDER_BAND0_1, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_TX_PWM_GEAR_4_DIVIDER_BAND0_1, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_1, 0xf5),
> + QMP_PHY_INIT_CFG(QSERDES_V4_TX_LANE_MODE_3, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_TX, 0x09),
> + QMP_PHY_INIT_CFG(QSERDES_V4_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_TX_TRAN_DRVR_EMP_EN, 0x0c),
> +};
> +
> +static const struct qmp_phy_init_tbl sm8350_ufsphy_rx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_LVL, 0x24),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_CNTRL, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_SIGDET_DEGLITCH_CNTRL, 0x1e),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_BAND, 0x18),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_FO_GAIN, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x5a),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CONTROLS, 0xf1),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FASTLOCK_COUNT_LOW, 0x80),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_PI_CTRL2, 0x80),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_FO_GAIN, 0x0e),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_UCDR_SO_GAIN, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_TERM_BW, 0x1b),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL1, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL2, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL3, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQU_ADAPTOR_CNTRL4, 0x1a),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x17),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_MEASURE_TIME, 0x10),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_LOW, 0xc0),
> + QMP_PHY_INIT_CFG(QSERDES_V4_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_00_LOW, 0x6d),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_00_HIGH, 0x6d),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_00_HIGH2, 0xed),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_00_HIGH3, 0x3b),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_00_HIGH4, 0x3c),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_01_LOW, 0xe0),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_01_HIGH, 0xc8),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_01_HIGH2, 0xc8),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_01_HIGH3, 0x3b),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_01_HIGH4, 0xb7),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_10_LOW, 0xe0),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_10_HIGH, 0xc8),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_10_HIGH2, 0xc8),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_10_HIGH3, 0x3b),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_RX_MODE_10_HIGH4, 0xb7),
> + QMP_PHY_INIT_CFG(QSERDES_SM8350_RX_DCC_CTRL1, 0x0c),
> +};
> +
> +static const struct qmp_phy_init_tbl sm8350_ufsphy_pcs_tbl[] = {
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL2, 0x6d),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_LARGE_AMP_DRV_LVL, 0x0a),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_SMALL_AMP_DRV_LVL, 0x02),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_DEBUG_BUS_CLKSEL, 0x1f),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_MIN_HIBERN8_TIME, 0xff),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_PLL_CNTL, 0x03),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TIMER_20US_CORECLK_STEPS_MSB, 0x16),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TIMER_20US_CORECLK_STEPS_LSB, 0xd8),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_PWM_GEAR_BAND, 0xaa),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_HS_GEAR_BAND, 0x06),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x03),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x03),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_RX_SIGDET_CTRL1, 0x0e),
> + QMP_PHY_INIT_CFG(QPHY_V4_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
> +};
> +
> static const struct qmp_phy_init_tbl sm8350_usb3_tx_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_TX, 0x00),
> QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_RX, 0x00),
> @@ -2971,6 +3071,30 @@ static const struct qmp_phy_cfg sm8250_usb3_uniphy_cfg = {
> .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
> };
>
> +static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
> + .type = PHY_TYPE_UFS,
> + .nlanes = 2,
> +
> + .serdes_tbl = sm8350_ufsphy_serdes_tbl,
> + .serdes_tbl_num = ARRAY_SIZE(sm8350_ufsphy_serdes_tbl),
> + .tx_tbl = sm8350_ufsphy_tx_tbl,
> + .tx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_tx_tbl),
> + .rx_tbl = sm8350_ufsphy_rx_tbl,
> + .rx_tbl_num = ARRAY_SIZE(sm8350_ufsphy_rx_tbl),
> + .pcs_tbl = sm8350_ufsphy_pcs_tbl,
> + .pcs_tbl_num = ARRAY_SIZE(sm8350_ufsphy_pcs_tbl),
> + .clk_list = sdm845_ufs_phy_clk_l,
> + .num_clks = ARRAY_SIZE(sdm845_ufs_phy_clk_l),
> + .vreg_list = qmp_phy_vreg_l,
> + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
> + .regs = sm8150_ufsphy_regs_layout,
> +
> + .start_ctrl = SERDES_START,
> + .pwrdn_ctrl = SW_PWRDN,
> +
> + .is_dual_lane_phy = true,
> +};
> +
> static const struct qmp_phy_cfg sm8350_usb3phy_cfg = {
> .type = PHY_TYPE_USB3,
> .nlanes = 1,
> @@ -4379,6 +4503,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
> }, {
> .compatible = "qcom,sm8250-qmp-modem-pcie-phy",
> .data = &sm8250_qmp_gen3x2_pciephy_cfg,
> + }, {
> + .compatible = "qcom,sm8350-qmp-ufs-phy",
> + .data = &sm8350_ufsphy_cfg,
> }, {
> .compatible = "qcom,sm8350-qmp-usb3-phy",
> .data = &sm8350_usb3phy_cfg,
> --
> 2.26.2
>