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Date: Fri, 10 Apr 2020 15:18:18 -0700
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Sivaprakash Murugesan <sivaprak@...eaurora.org>
Cc: agross@...nel.org, kishon@...com, robh+dt@...nel.org,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org,
Balaji Prakash J <bjagadee@...eaurora.org>
Subject: Re: [PATCH 2/3] phy: qcom-qmp: Add USB QMP PHY support for IPQ8074
On Fri 10 Apr 11:29 PDT 2020, Sivaprakash Murugesan wrote:
> Add QMP USB PHY found in IPQ8074
>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Co-developed-by: Balaji Prakash J <bjagadee@...eaurora.org>
> Signed-off-by: Balaji Prakash J <bjagadee@...eaurora.org>
> Signed-off-by: Sivaprakash Murugesan <sivaprak@...eaurora.org>
> ---
> drivers/phy/qualcomm/phy-qcom-qmp.c | 102 ++++++++++++++++++++++++++++++++++++
> 1 file changed, 102 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index c190406..8e9a8a4 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -188,6 +188,81 @@ static const unsigned int sm8150_ufsphy_regs_layout[] = {
> [QPHY_SW_RESET] = QPHY_V4_SW_RESET,
> };
>
> +static const struct qmp_phy_init_tbl ipq8074_usb3_serdes_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_COM_SYSCLK_EN_SEL, 0x1a),
> + QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x08),
> + QMP_PHY_INIT_CFG(QSERDES_COM_CLK_SELECT, 0x30),
> + QMP_PHY_INIT_CFG(QSERDES_COM_BG_TRIM, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_FASTLOCK_FO_GAIN, 0x0b),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SVS_MODE_CLK_SEL, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_COM_HSCLK_SEL, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_CMN_CONFIG, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_COM_PLL_IVCO, 0x0f),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SYS_CLK_CTRL, 0x06),
> + /* PLL and Loop filter settings */
> + QMP_PHY_INIT_CFG(QSERDES_COM_DEC_START_MODE0, 0x82),
> + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START1_MODE0, 0x55),
> + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START2_MODE0, 0x55),
> + QMP_PHY_INIT_CFG(QSERDES_COM_DIV_FRAC_START3_MODE0, 0x03),
> + QMP_PHY_INIT_CFG(QSERDES_COM_CP_CTRL_MODE0, 0x0b),
> + 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_GAIN0_MODE0, 0x80),
> + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP1_MODE0, 0x15),
> + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP2_MODE0, 0x34),
> + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP3_MODE0, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_CORE_CLK_EN, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_LOCK_CMP_CFG, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_VCO_TUNE_MAP, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_BG_TIMER, 0x0a),
> + /* SSC settings */
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_EN_CENTER, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER1, 0x31),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_PER2, 0x01),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER1, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_ADJ_PER2, 0x00),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE1, 0xde),
> + QMP_PHY_INIT_CFG(QSERDES_COM_SSC_STEP_SIZE2, 0x07),
> +};
> +
> +static const struct qmp_phy_init_tbl ipq8074_usb3_rx_tbl[] = {
> + QMP_PHY_INIT_CFG(QSERDES_RX_UCDR_SO_GAIN, 0x06),
> + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL2, 0x02),
> + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL3, 0x4c),
> + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQU_ADAPTOR_CNTRL4, 0xb8),
> + QMP_PHY_INIT_CFG(QSERDES_RX_RX_EQ_OFFSET_ADAPTOR_CNTRL1, 0x77),
> + QMP_PHY_INIT_CFG(QSERDES_RX_RX_OFFSET_ADAPTOR_CNTRL2, 0x80),
> + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_CNTRL, 0x03),
> + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_DEGLITCH_CNTRL, 0x16),
> + QMP_PHY_INIT_CFG(QSERDES_RX_SIGDET_ENABLES, 0x0),
> +};
> +
> +static const struct qmp_phy_init_tbl ipq8074_usb3_pcs_tbl[] = {
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x15),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0e),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL2, 0x83),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNTRL1, 0x02),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_L, 0x09),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_CNT_VAL_H_TOL, 0xa2),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_FLL_MAN_CODE, 0x85),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG1, 0xd1),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG2, 0x1f),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_LOCK_DETECT_CONFIG3, 0x47),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_POWER_STATE_CONFIG2, 0x1b),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_WAIT_TIME, 0x75),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RXEQTRAINING_RUN_TIME, 0x13),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_LFPS_TX_ECSTART_EQTLOCK, 0x86),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_PWRUP_RESET_DLY_TIME_AUXCLK, 0x04),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_TSYNC_RSYNC_TIME, 0x44),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_L, 0xe7),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_P1U2_H, 0x03),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_L, 0x40),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RCVR_DTCT_DLY_U3_H, 0x00),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_RX_SIGDET_LVL, 0x88),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M6DB_V0, 0x17),
> + QMP_PHY_INIT_CFG(QPHY_V3_PCS_TXDEEMPH_M3P5DB_V0, 0x0f),
> +};
> +
> static const struct qmp_phy_init_tbl msm8996_pcie_serdes_tbl[] = {
> QMP_PHY_INIT_CFG(QSERDES_COM_BIAS_EN_CLKBUFLR_EN, 0x1c),
> QMP_PHY_INIT_CFG(QSERDES_COM_CLK_ENABLE1, 0x10),
> @@ -1467,6 +1542,30 @@ static const char * const qmp_phy_vreg_l[] = {
> "vdda-phy", "vdda-pll",
> };
>
> +static const struct qmp_phy_cfg ipq8074_usb3phy_cfg = {
> + .type = PHY_TYPE_USB3,
> + .nlanes = 1,
> +
> + .serdes_tbl = ipq8074_usb3_serdes_tbl,
> + .serdes_tbl_num = ARRAY_SIZE(ipq8074_usb3_serdes_tbl),
> + .tx_tbl = msm8996_usb3_tx_tbl,
> + .tx_tbl_num = ARRAY_SIZE(msm8996_usb3_tx_tbl),
> + .rx_tbl = ipq8074_usb3_rx_tbl,
> + .rx_tbl_num = ARRAY_SIZE(ipq8074_usb3_rx_tbl),
> + .pcs_tbl = ipq8074_usb3_pcs_tbl,
> + .pcs_tbl_num = ARRAY_SIZE(ipq8074_usb3_pcs_tbl),
> + .clk_list = msm8996_phy_clk_l,
> + .num_clks = ARRAY_SIZE(msm8996_phy_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 = usb3phy_regs_layout,
> +
> + .start_ctrl = SERDES_START | PCS_START,
> + .pwrdn_ctrl = SW_PWRDN,
> +};
> +
> static const struct qmp_phy_cfg msm8996_pciephy_cfg = {
> .type = PHY_TYPE_PCIE,
> .nlanes = 3,
> @@ -2498,6 +2597,9 @@ int qcom_qmp_phy_create(struct device *dev, struct device_node *np, int id)
>
> static const struct of_device_id qcom_qmp_phy_of_match_table[] = {
> {
> + .compatible = "qcom,ipq8074-qmp-usb3-phy",
> + .data = &ipq8074_usb3phy_cfg,
> + }, {
> .compatible = "qcom,msm8996-qmp-pcie-phy",
> .data = &msm8996_pciephy_cfg,
> }, {
> --
> 2.7.4
>
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