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Date:   Fri, 1 Dec 2023 09:42:43 +0200
From:   Abel Vesa <abel.vesa@linaro.org>
To:     Can Guo <quic_cang@quicinc.com>
Cc:     bvanassche@acm.org, mani@kernel.org, adrian.hunter@intel.com,
        vkoul@kernel.org, beanhuo@micron.com, avri.altman@wdc.com,
        junwoo80.lee@samsung.com, martin.petersen@oracle.com,
        linux-scsi@vger.kernel.org, linux-arm-msm@vger.kernel.org,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Konrad Dybcio <konrad.dybcio@linaro.org>,
        Kishon Vijay Abraham I <kishon@kernel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@linaro.org>,
        Johan Hovold <johan+linaro@kernel.org>,
        "open list:GENERIC PHY FRAMEWORK" <linux-phy@lists.infradead.org>,
        open list <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH v7 09/10] phy: qualcomm: phy-qcom-qmp-ufs: Rectify SM8550
 UFS HS-G4 PHY Settings
Message-ID: <ZWmOc/L/2najkwKf@linaro.org>
References: <1701407001-471-1-git-send-email-quic_cang@quicinc.com>
 <1701407001-471-10-git-send-email-quic_cang@quicinc.com>
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In-Reply-To: <1701407001-471-10-git-send-email-quic_cang@quicinc.com>
Precedence: bulk

On 23-11-30 21:03:19, Can Guo wrote:
> The registers, which are being touched in current SM8550 UFS PHY settings,
> and the values being programmed are mainly the ones working for HS-G4 mode,
> meanwhile, there are also a few ones somehow taken from HS-G5 PHY settings.
> However, even consider HS-G4 mode only, some of them are incorrect and some
> are missing. Rectify the HS-G4 PHY settings by strictly aligning with the
> SM8550 UFS PHY Hardware Programming Guide suggested HS-G4 PHY settings.
> 
> Fixes: 1679bfef906f ("phy: qcom-qmp-ufs: Add SM8550 support")
> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
> Reviewed-by: Abel Vesa <abel.vesa@linaro.org>
> Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> Signed-off-by: Can Guo <quic_cang@quicinc.com>
> ---

Hi Can,

Since you are not CC'ing everyone on all patches from this series,
please write the changes made since the last version in every patch (if
applicable) from now on.

Thanks,
Abel

>  .../qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h    |  1 +
>  drivers/phy/qualcomm/phy-qcom-qmp-ufs.c            | 28 +++++++++++++++-------
>  2 files changed, 20 insertions(+), 9 deletions(-)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h
> index ae220fd..35d497f 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-qserdes-txrx-ufs-v6.h
> @@ -11,6 +11,7 @@
>  #define QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_TX		0x30
>  #define QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_RX		0x34
>  #define QSERDES_UFS_V6_TX_LANE_MODE_1				0x7c
> +#define QSERDES_UFS_V6_TX_FR_DCC_CTRL				0x108
>  
>  #define QSERDES_UFS_V6_RX_UCDR_FASTLOCK_FO_GAIN_RATE2		0x08
>  #define QSERDES_UFS_V6_RX_UCDR_FASTLOCK_FO_GAIN_RATE4		0x10
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> index 5f79d18..3c2e625 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp-ufs.c
> @@ -763,22 +763,26 @@ static const struct qmp_phy_init_tbl sm8550_ufsphy_serdes[] = {
>  	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x14),
>  	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x7f),
>  	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x06),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE0, 0x4c),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE0, 0x0a),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE0, 0x18),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE0, 0x14),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE0, 0x99),
> -	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE0, 0x07),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_DEC_START_MODE1, 0x4c),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_CP_CTRL_MODE1, 0x0a),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_RCTRL_MODE1, 0x18),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_PLL_CCTRL_MODE1, 0x14),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP1_MODE1, 0x99),
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_LOCK_CMP2_MODE1, 0x07),
> +};
> +
> +static const struct qmp_phy_init_tbl sm8550_ufsphy_hs_b_serdes[] = {
> +	QMP_PHY_INIT_CFG(QSERDES_V6_COM_VCO_TUNE_MAP, 0x44),
>  };
>  
>  static const struct qmp_phy_init_tbl sm8550_ufsphy_tx[] = {
> -	QMP_PHY_INIT_CFG(QSERDES_V6_TX_LANE_MODE_1, 0x05),
> +	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_LANE_MODE_1, 0x05),
>  	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_RES_CODE_LANE_OFFSET_TX, 0x07),
> +	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_TX_FR_DCC_CTRL, 0x4c),
>  };
>  
>  static const struct qmp_phy_init_tbl sm8550_ufsphy_rx[] = {
> -	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FASTLOCK_FO_GAIN_RATE2, 0x0c),
> -	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FASTLOCK_FO_GAIN_RATE4, 0x0f),
> +	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_UCDR_FO_GAIN_RATE2, 0x0c),
>  	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_VGA_CAL_MAN_VAL, 0x0e),
>  
>  	QMP_PHY_INIT_CFG(QSERDES_UFS_V6_RX_MODE_RATE_0_1_B0, 0xc2),
> @@ -801,6 +805,8 @@ static const struct qmp_phy_init_tbl sm8550_ufsphy_pcs[] = {
>  	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_MID_TERM_CTRL1, 0x43),
>  	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_PLL_CNTL, 0x2b),
>  	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_MULTI_LANE_CTRL1, 0x02),
> +	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_TX_HSGEAR_CAPABILITY, 0x04),
> +	QMP_PHY_INIT_CFG(QPHY_V6_PCS_UFS_RX_HSGEAR_CAPABILITY, 0x04),
>  };
>  
>  static const struct qmp_phy_init_tbl sm8650_ufsphy_serdes[] = {
> @@ -1357,6 +1363,10 @@ static const struct qmp_phy_cfg sm8550_ufsphy_cfg = {
>  		.pcs		= sm8550_ufsphy_pcs,
>  		.pcs_num	= ARRAY_SIZE(sm8550_ufsphy_pcs),
>  	},
> +	.tbls_hs_b = {
> +		.serdes		= sm8550_ufsphy_hs_b_serdes,
> +		.serdes_num	= ARRAY_SIZE(sm8550_ufsphy_hs_b_serdes),
> +	},
>  	.clk_list		= sdm845_ufs_phy_clk_l,
>  	.num_clks		= ARRAY_SIZE(sdm845_ufs_phy_clk_l),
>  	.vreg_list		= qmp_phy_vreg_l,
> -- 
> 2.7.4
>