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Message-ID: <CAA8EJpqsKpcABmkR0+ciOxhohTSmhL4SSxBj6BijMVLfkMv02A@mail.gmail.com>
Date: Thu, 21 Sep 2023 15:06:48 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Rohit Agarwal <quic_rohiagar@...cinc.com>
Cc: agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
vkoul@...nel.org, kishon@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
gregkh@...uxfoundation.org, abel.vesa@...aro.org,
quic_wcheng@...cinc.com, linux-arm-msm@...r.kernel.org,
linux-phy@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-usb@...r.kernel.org,
kernel@...cinc.com
Subject: Re: [PATCH v3 5/5] phy: qcom-qmp-usb: Add Qualcomm SDX75 USB3 PHY support
On Thu, 21 Sept 2023 at 13:21, Rohit Agarwal <quic_rohiagar@...cinc.com> wrote:
>
> Add support for USB3 QMP PHY found in SDX75 platform.
>
> Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
> ---
> drivers/phy/qualcomm/phy-qcom-qmp-usb.c | 165 ++++++++++++++++++++++++++++++++
> 1 file changed, 165 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> index 2a094f2..3145814 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-usb.c
> @@ -24,6 +24,7 @@
> #include "phy-qcom-qmp-pcs-misc-v4.h"
> #include "phy-qcom-qmp-pcs-usb-v4.h"
> #include "phy-qcom-qmp-pcs-usb-v5.h"
> +#include "phy-qcom-qmp-pcs-usb-v6.h"
>
> /* QPHY_SW_RESET bit */
> #define SW_RESET BIT(0)
> @@ -151,6 +152,17 @@ static const unsigned int qmp_v5_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
> [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V5_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
> };
>
> +static const unsigned int qmp_v6_usb3phy_regs_layout[QPHY_LAYOUT_SIZE] = {
> + [QPHY_SW_RESET] = QPHY_V6_PCS_SW_RESET,
> + [QPHY_START_CTRL] = QPHY_V6_PCS_START_CONTROL,
> + [QPHY_PCS_STATUS] = QPHY_V6_PCS_PCS_STATUS1,
> + [QPHY_PCS_POWER_DOWN_CONTROL] = QPHY_V6_PCS_POWER_DOWN_CONTROL,
> +
> + /* In PCS_USB */
> + [QPHY_PCS_AUTONOMOUS_MODE_CTRL] = QPHY_V6_PCS_USB3_AUTONOMOUS_MODE_CTRL,
> + [QPHY_PCS_LFPS_RXTERM_IRQ_CLEAR] = QPHY_V6_PCS_USB3_LFPS_RXTERM_IRQ_CLEAR,
> +};
> +
> static const struct qmp_phy_init_tbl ipq9574_usb3_serdes_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x1a),
> QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
> @@ -871,6 +883,134 @@ static const struct qmp_phy_init_tbl sdx65_usb3_uniphy_rx_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_ENABLES, 0x00),
> };
>
> +static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_serdes_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE1, 0x9e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE1, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x16),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x36),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORECLK_DIV_MODE1, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x2e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x82),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x82),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE1, 0xab),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE1, 0xea),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE1, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_HSCLK_SEL_1, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE1_MODE1, 0x25),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE2_MODE1, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE1_MODE1, 0xb7),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE2_MODE1, 0x1e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE1_MODE0, 0xb7),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BIN_VCOCAL_CMP_CODE2_MODE0, 0x1e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE1_MODE0, 0x9e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_STEP_SIZE2_MODE0, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x16),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x36),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x12),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x34),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x82),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START1_MODE0, 0xab),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START2_MODE0, 0xea),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_DIV_FRAC_START3_MODE0, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE1_MODE0, 0x25),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE2_MODE0, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_BG_TIMER, 0x0e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_EN_CENTER, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER1, 0x31),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SSC_PER2, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_BUF_ENABLE, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_SYSCLK_EN_SEL, 0x1a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP_CFG, 0x14),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CORE_CLK_EN, 0x20),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_CMN_CONFIG_1, 0x16),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_AUTO_GAIN_ADJ_CTRL_1, 0xb6),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_AUTO_GAIN_ADJ_CTRL_2, 0x4b),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_AUTO_GAIN_ADJ_CTRL_3, 0x37),
> + QMP_PHY_INIT_CFG(QSERDES_V6_COM_ADDITIONAL_MISC, 0x0c),
> +};
> +
> +static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_tx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_TX, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_RX, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x1f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RES_CODE_LANE_OFFSET_RX, 0x09),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_1, 0xf5),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_3, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_4, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_5, 0x5f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_RCV_DETECT_LVL_2, 0x12),
> + QMP_PHY_INIT_CFG(QSERDES_V6_TX_PI_QEC_CTRL, 0x21),
> +};
> +
> +static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_rx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FO_GAIN, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_GAIN, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SO_SATURATION_AND_ENABLE, 0x7f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_PI_CONTROLS, 0x99),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH1, 0x08),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_THRESH2, 0x08),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_GAIN1, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_UCDR_SB2_GAIN2, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_AUX_DATA_TCOARSE_TFINE, 0xa0),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL1, 0x54),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_VGA_CAL_CNTRL2, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_GM_CAL, 0x13),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_LOW, 0x07),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_IDAC_TSETTLE_HIGH, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CNTRL, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_LOW, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH, 0xbf),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH2, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH3, 0xdf),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_00_HIGH4, 0xed),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_LOW, 0xdc),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH, 0x5c),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH2, 0x9c),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH3, 0x1d),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_RX_MODE_01_HIGH4, 0x09),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_EN_TIMER, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_DCC_CTRL1, 0x0c),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_VTH_CODE, 0x10),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_CTRL1, 0x14),
> + QMP_PHY_INIT_CFG(QSERDES_V6_RX_SIGDET_CAL_TRIM, 0x08),
> +};
> +
> +static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_pcs_tbl[] = {
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_LOCK_DETECT_CONFIG1, 0xc4),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_LOCK_DETECT_CONFIG2, 0x89),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_LOCK_DETECT_CONFIG3, 0x20),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_LOCK_DETECT_CONFIG6, 0x13),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_REFGEN_REQ_CONFIG1, 0x21),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_RX_SIGDET_LVL, 0xaa),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_CDR_RESET_TIME, 0x0a),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_ALIGN_DETECT_CONFIG1, 0x88),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_ALIGN_DETECT_CONFIG2, 0x13),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_PCS_TX_RX_CONFIG, 0x0c),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_EQ_CONFIG1, 0x4b),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_EQ_CONFIG5, 0x10),
> +};
> +
> +static const struct qmp_phy_init_tbl sdx75_usb3_uniphy_pcs_usb_tbl[] = {
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_LFPS_DET_HIGH_COUNT_VAL, 0xf8),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RXEQTRAINING_DFE_TIME_S2, 0x07),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RCVR_DTCT_DLY_U3_L, 0x40),
> + QMP_PHY_INIT_CFG(QPHY_V6_PCS_USB3_RCVR_DTCT_DLY_U3_H, 0x00),
> +};
> +
> static const struct qmp_phy_init_tbl sm8350_usb3_uniphy_tx_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_1, 0xa5),
> QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_2, 0x82),
> @@ -1531,6 +1671,28 @@ static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = {
> .has_pwrdn_delay = true,
> };
>
> +static const struct qmp_phy_cfg sdx75_usb3_uniphy_cfg = {
> + .lanes = 1,
> + .offsets = &qmp_usb_offsets_v5,
This should be v6
> +
> + .serdes_tbl = sdx75_usb3_uniphy_serdes_tbl,
> + .serdes_tbl_num = ARRAY_SIZE(sdx75_usb3_uniphy_serdes_tbl),
> + .tx_tbl = sdx75_usb3_uniphy_tx_tbl,
> + .tx_tbl_num = ARRAY_SIZE(sdx75_usb3_uniphy_tx_tbl),
> + .rx_tbl = sdx75_usb3_uniphy_rx_tbl,
> + .rx_tbl_num = ARRAY_SIZE(sdx75_usb3_uniphy_rx_tbl),
> + .pcs_tbl = sdx75_usb3_uniphy_pcs_tbl,
> + .pcs_tbl_num = ARRAY_SIZE(sdx75_usb3_uniphy_pcs_tbl),
> + .pcs_usb_tbl = sdx75_usb3_uniphy_pcs_usb_tbl,
> + .pcs_usb_tbl_num = ARRAY_SIZE(sdx75_usb3_uniphy_pcs_usb_tbl),
> + .vreg_list = qmp_phy_vreg_l,
> + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
> + .regs = qmp_v6_usb3phy_regs_layout,
> + .pcs_usb_offset = 0x1000,
> +
> + .has_pwrdn_delay = true,
> +};
> +
> static const struct qmp_phy_cfg sm8350_usb3_uniphy_cfg = {
> .lanes = 1,
>
> @@ -2243,6 +2405,9 @@ static const struct of_device_id qmp_usb_of_match_table[] = {
> .compatible = "qcom,sdx65-qmp-usb3-uni-phy",
> .data = &sdx65_usb3_uniphy_cfg,
> }, {
> + .compatible = "qcom,sdx75-qmp-usb3-uni-phy",
> + .data = &sdx75_usb3_uniphy_cfg,
> + }, {
> .compatible = "qcom,sm6115-qmp-usb3-phy",
> .data = &qcm2290_usb3phy_cfg,
> }, {
> --
> 2.7.4
>
--
With best wishes
Dmitry
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