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Message-ID: <20220413073456.GC2015@thinkpad>
Date: Wed, 13 Apr 2022 13:04:56 +0530
From: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To: Rohit Agarwal <quic_rohiagar@...cinc.com>
Cc: agross@...nel.org, bjorn.andersson@...aro.org, kishon@...com,
vkoul@...nel.org, robh+dt@...nel.org, krzk+dt@...nel.org,
linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] phy: qcom-qmp: Add support for SDX65 QMP PHY
On Tue, Apr 12, 2022 at 10:47:32AM +0530, Rohit Agarwal wrote:
> Add support for USB3 QMP PHY found in SDX65 platform. SDX65 uses
> version 5.0.0 of the QMP PHY IP.
>
> Signed-off-by: Rohit Agarwal <quic_rohiagar@...cinc.com>
I don't have access to SDX65 downstream devicetree source but overall it looks
good to me.
Acked-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
Thanks,
Mani
> ---
> drivers/phy/qualcomm/phy-qcom-qmp.c | 76 +++++++++++++++++++++++++++++++++++++
> 1 file changed, 76 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 8ea87c6..58506b8 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -2535,6 +2535,50 @@ static const struct qmp_phy_init_tbl sdx55_qmp_pcie_pcs_misc_tbl[] = {
> QMP_PHY_INIT_CFG(QPHY_V4_20_PCS_LANE1_INSIG_MX_CTRL2, 0x00),
> };
>
> +static const struct qmp_phy_init_tbl sdx65_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),
> + QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_3, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_TX_LANE_MODE_4, 0x3f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_TX_PI_QEC_CTRL, 0x21),
> + QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_TX, 0x1f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_TX_RES_CODE_LANE_OFFSET_RX, 0x0b),
> +};
> +
> +static const struct qmp_phy_init_tbl sdx65_usb3_uniphy_rx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH4, 0xdb),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH3, 0xbd),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH2, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_HIGH, 0x7f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_00_LOW, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH4, 0xa9),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH3, 0x7b),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH2, 0xe4),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_HIGH, 0x24),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_MODE_01_LOW, 0x64),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_PI_CONTROLS, 0x99),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH1, 0x08),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_THRESH2, 0x08),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN1, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SB2_GAIN2, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_FO_GAIN, 0x2f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_LOW, 0xff),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FASTLOCK_COUNT_HIGH, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_FO_GAIN, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL1, 0x54),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_VGA_CAL_CNTRL2, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL2, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQU_ADAPTOR_CNTRL4, 0x0a),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x47),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_CNTRL, 0x04),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_DEGLITCH_CNTRL, 0x0e),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_DFE_CTLE_POST_CAL_OFFSET, 0x38),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_UCDR_SO_GAIN, 0x05),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_GM_CAL, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_V5_RX_SIGDET_ENABLES, 0x00),
> +};
> +
> static const struct qmp_phy_init_tbl sm8350_ufsphy_serdes_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_V5_COM_SYSCLK_EN_SEL, 0xd9),
> QMP_PHY_INIT_CFG(QSERDES_V5_COM_HSCLK_SEL, 0x11),
> @@ -4217,6 +4261,35 @@ static const struct qmp_phy_cfg sdx55_qmp_pciephy_cfg = {
> .pwrdn_delay_max = 1005, /* us */
> };
>
> +static const struct qmp_phy_cfg sdx65_usb3_uniphy_cfg = {
> + .type = PHY_TYPE_USB3,
> + .nlanes = 1,
> +
> + .serdes_tbl = sm8150_usb3_uniphy_serdes_tbl,
> + .serdes_tbl_num = ARRAY_SIZE(sm8150_usb3_uniphy_serdes_tbl),
> + .tx_tbl = sdx65_usb3_uniphy_tx_tbl,
> + .tx_tbl_num = ARRAY_SIZE(sdx65_usb3_uniphy_tx_tbl),
> + .rx_tbl = sdx65_usb3_uniphy_rx_tbl,
> + .rx_tbl_num = ARRAY_SIZE(sdx65_usb3_uniphy_rx_tbl),
> + .pcs_tbl = sm8350_usb3_uniphy_pcs_tbl,
> + .pcs_tbl_num = ARRAY_SIZE(sm8350_usb3_uniphy_pcs_tbl),
> + .clk_list = qmp_v4_sdx55_usbphy_clk_l,
> + .num_clks = ARRAY_SIZE(qmp_v4_sdx55_usbphy_clk_l),
> + .reset_list = msm8996_usb3phy_reset_l,
> + .num_resets = ARRAY_SIZE(msm8996_usb3phy_reset_l),
> + .vreg_list = qmp_phy_vreg_l,
> + .num_vregs = ARRAY_SIZE(qmp_phy_vreg_l),
> + .regs = sm8350_usb3_uniphy_regs_layout,
> +
> + .start_ctrl = SERDES_START | PCS_START,
> + .pwrdn_ctrl = SW_PWRDN,
> + .phy_status = PHYSTATUS,
> +
> + .has_pwrdn_delay = true,
> + .pwrdn_delay_min = POWER_DOWN_DELAY_US_MIN,
> + .pwrdn_delay_max = POWER_DOWN_DELAY_US_MAX,
> +};
> +
> static const struct qmp_phy_cfg sm8350_ufsphy_cfg = {
> .type = PHY_TYPE_UFS,
> .nlanes = 2,
> @@ -6044,6 +6117,9 @@ static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
> .compatible = "qcom,sdx55-qmp-usb3-uni-phy",
> .data = &sdx55_usb3_uniphy_cfg,
> }, {
> + .compatible = "qcom,sdx65-qmp-usb3-uni-phy",
> + .data = &sdx65_usb3_uniphy_cfg,
> + }, {
> .compatible = "qcom,sm8350-qmp-usb3-phy",
> .data = &sm8350_usb3phy_cfg,
> }, {
> --
> 2.7.4
>
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