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Message-ID: <YGKbAOzT5XWm4kR3@builder.lan>
Date: Mon, 29 Mar 2021 22:29:04 -0500
From: Bjorn Andersson <bjorn.andersson@...aro.org>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Cc: Andy Gross <agross@...nel.org>, Vinod Koul <vkoul@...nel.org>,
Kishon Vijay Abraham I <kishon@...com>,
Rob Herring <robh+dt@...nel.org>,
Manu Gautam <mgautam@...eaurora.org>,
Stephen Boyd <sboyd@...nel.org>,
Jonathan Marek <jonathan@...ek.ca>,
linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org
Subject: Re: [PATCH v5 4/7] phy: qcom-qmp: rename common registers
On Sun 28 Mar 15:52 CDT 2021, Dmitry Baryshkov wrote:
> A plenty of DP PHY registers are common between V3 and V4. To simplify
> V4 code, rename all common registers.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
Regards,
Bjorn
> ---
> drivers/phy/qualcomm/phy-qcom-qmp.c | 50 ++++++++++++++---------------
> drivers/phy/qualcomm/phy-qcom-qmp.h | 37 ++++++++++-----------
> 2 files changed, 44 insertions(+), 43 deletions(-)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.c b/drivers/phy/qualcomm/phy-qcom-qmp.c
> index 4150096fd350..097bc005ba43 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.c
> @@ -2435,20 +2435,20 @@ static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
> {
> writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
> DP_PHY_PD_CTL_PLL_PWRDN | DP_PHY_PD_CTL_DP_CLAMP_EN,
> - qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> + qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>
> /* Turn on BIAS current for PHY/PLL */
> writel(QSERDES_V3_COM_BIAS_EN | QSERDES_V3_COM_BIAS_EN_MUX |
> QSERDES_V3_COM_CLKBUF_L_EN | QSERDES_V3_COM_EN_SYSCLK_TX_SEL,
> qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
>
> - writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> + writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>
> writel(DP_PHY_PD_CTL_PWRDN | DP_PHY_PD_CTL_AUX_PWRDN |
> DP_PHY_PD_CTL_LANE_0_1_PWRDN |
> DP_PHY_PD_CTL_LANE_2_3_PWRDN | DP_PHY_PD_CTL_PLL_PWRDN |
> DP_PHY_PD_CTL_DP_CLAMP_EN,
> - qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> + qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>
> writel(QSERDES_V3_COM_BIAS_EN |
> QSERDES_V3_COM_BIAS_EN_MUX | QSERDES_V3_COM_CLKBUF_R_EN |
> @@ -2456,16 +2456,16 @@ static void qcom_qmp_v3_phy_dp_aux_init(struct qmp_phy *qphy)
> QSERDES_V3_COM_CLKBUF_RX_DRIVE_L,
> qphy->serdes + QSERDES_V3_COM_BIAS_EN_CLKBUFLR_EN);
>
> - writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG0);
> - writel(0x13, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1);
> - writel(0x24, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2);
> - writel(0x00, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG3);
> - writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG4);
> - writel(0x26, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG5);
> - writel(0x0a, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG6);
> - writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG7);
> - writel(0xbb, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG8);
> - writel(0x03, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG9);
> + writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG0);
> + writel(0x13, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
> + writel(0x24, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
> + writel(0x00, qphy->pcs + QSERDES_DP_PHY_AUX_CFG3);
> + writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG4);
> + writel(0x26, qphy->pcs + QSERDES_DP_PHY_AUX_CFG5);
> + writel(0x0a, qphy->pcs + QSERDES_DP_PHY_AUX_CFG6);
> + writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG7);
> + writel(0xbb, qphy->pcs + QSERDES_DP_PHY_AUX_CFG8);
> + writel(0x03, qphy->pcs + QSERDES_DP_PHY_AUX_CFG9);
> qphy->dp_aux_cfg = 0;
>
> writel(PHY_AUX_STOP_ERR_MASK | PHY_AUX_DEC_ERR_MASK |
> @@ -2556,9 +2556,9 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
> * writel(0x4c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
> */
> val |= DP_PHY_PD_CTL_LANE_2_3_PWRDN;
> - writel(val, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> + writel(val, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
>
> - writel(0x5c, qphy->pcs + QSERDES_V3_DP_PHY_MODE);
> + writel(0x5c, qphy->pcs + QSERDES_DP_PHY_MODE);
> writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX0_TX1_LANE_CTL);
> writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_TX2_TX3_LANE_CTL);
>
> @@ -2588,11 +2588,11 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
> clk_set_rate(dp_clks->dp_link_hw.clk, dp_opts->link_rate * 100000);
> clk_set_rate(dp_clks->dp_pixel_hw.clk, pixel_freq);
>
> - writel(0x04, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG2);
> - writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> - writel(0x05, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> - writel(0x01, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> - writel(0x09, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> + writel(0x04, qphy->pcs + QSERDES_DP_PHY_AUX_CFG2);
> + writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
> + writel(0x05, qphy->pcs + QSERDES_DP_PHY_CFG);
> + writel(0x01, qphy->pcs + QSERDES_DP_PHY_CFG);
> + writel(0x09, qphy->pcs + QSERDES_DP_PHY_CFG);
>
> writel(0x20, qphy->serdes + QSERDES_V3_COM_RESETSM_CNTRL);
>
> @@ -2603,7 +2603,7 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
> 10000))
> return -ETIMEDOUT;
>
> - writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> + writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
>
> if (readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
> status,
> @@ -2612,9 +2612,9 @@ static int qcom_qmp_v3_phy_configure_dp_phy(struct qmp_phy *qphy)
> 10000))
> return -ETIMEDOUT;
>
> - writel(0x18, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> + writel(0x18, qphy->pcs + QSERDES_DP_PHY_CFG);
> udelay(2000);
> - writel(0x19, qphy->pcs + QSERDES_V3_DP_PHY_CFG);
> + writel(0x19, qphy->pcs + QSERDES_DP_PHY_CFG);
>
> return readl_poll_timeout(qphy->pcs + QSERDES_V3_DP_PHY_STATUS,
> status,
> @@ -2636,7 +2636,7 @@ static int qcom_qmp_v3_dp_phy_calibrate(struct qmp_phy *qphy)
> qphy->dp_aux_cfg %= ARRAY_SIZE(cfg1_settings);
> val = cfg1_settings[qphy->dp_aux_cfg];
>
> - writel(val, qphy->pcs + QSERDES_V3_DP_PHY_AUX_CFG1);
> + writel(val, qphy->pcs + QSERDES_DP_PHY_AUX_CFG1);
>
> return 0;
> }
> @@ -3898,7 +3898,7 @@ static int qcom_qmp_phy_power_off(struct phy *phy)
>
> if (cfg->type == PHY_TYPE_DP) {
> /* Assert DP PHY power down */
> - writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_V3_DP_PHY_PD_CTL);
> + writel(DP_PHY_PD_CTL_PSR_PWRDN, qphy->pcs + QSERDES_DP_PHY_PD_CTL);
> } else {
> /* PHY reset */
> if (!cfg->no_pcs_sw_reset)
> diff --git a/drivers/phy/qualcomm/phy-qcom-qmp.h b/drivers/phy/qualcomm/phy-qcom-qmp.h
> index 71ce3aa174ae..981d8ee891c0 100644
> --- a/drivers/phy/qualcomm/phy-qcom-qmp.h
> +++ b/drivers/phy/qualcomm/phy-qcom-qmp.h
> @@ -349,13 +349,13 @@
> #define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG4 0x5c
> #define QPHY_V3_PCS_MISC_OSC_DTCT_MODE2_CONFIG5 0x60
>
> -/* Only for QMP V3 PHY - DP PHY registers */
> -#define QSERDES_V3_DP_PHY_REVISION_ID0 0x000
> -#define QSERDES_V3_DP_PHY_REVISION_ID1 0x004
> -#define QSERDES_V3_DP_PHY_REVISION_ID2 0x008
> -#define QSERDES_V3_DP_PHY_REVISION_ID3 0x00c
> -#define QSERDES_V3_DP_PHY_CFG 0x010
> -#define QSERDES_V3_DP_PHY_PD_CTL 0x018
> +/* QMP PHY - DP PHY registers */
> +#define QSERDES_DP_PHY_REVISION_ID0 0x000
> +#define QSERDES_DP_PHY_REVISION_ID1 0x004
> +#define QSERDES_DP_PHY_REVISION_ID2 0x008
> +#define QSERDES_DP_PHY_REVISION_ID3 0x00c
> +#define QSERDES_DP_PHY_CFG 0x010
> +#define QSERDES_DP_PHY_PD_CTL 0x018
> # define DP_PHY_PD_CTL_PWRDN 0x001
> # define DP_PHY_PD_CTL_PSR_PWRDN 0x002
> # define DP_PHY_PD_CTL_AUX_PWRDN 0x004
> @@ -363,18 +363,19 @@
> # define DP_PHY_PD_CTL_LANE_2_3_PWRDN 0x010
> # define DP_PHY_PD_CTL_PLL_PWRDN 0x020
> # define DP_PHY_PD_CTL_DP_CLAMP_EN 0x040
> -#define QSERDES_V3_DP_PHY_MODE 0x01c
> -#define QSERDES_V3_DP_PHY_AUX_CFG0 0x020
> -#define QSERDES_V3_DP_PHY_AUX_CFG1 0x024
> -#define QSERDES_V3_DP_PHY_AUX_CFG2 0x028
> -#define QSERDES_V3_DP_PHY_AUX_CFG3 0x02c
> -#define QSERDES_V3_DP_PHY_AUX_CFG4 0x030
> -#define QSERDES_V3_DP_PHY_AUX_CFG5 0x034
> -#define QSERDES_V3_DP_PHY_AUX_CFG6 0x038
> -#define QSERDES_V3_DP_PHY_AUX_CFG7 0x03c
> -#define QSERDES_V3_DP_PHY_AUX_CFG8 0x040
> -#define QSERDES_V3_DP_PHY_AUX_CFG9 0x044
> +#define QSERDES_DP_PHY_MODE 0x01c
> +#define QSERDES_DP_PHY_AUX_CFG0 0x020
> +#define QSERDES_DP_PHY_AUX_CFG1 0x024
> +#define QSERDES_DP_PHY_AUX_CFG2 0x028
> +#define QSERDES_DP_PHY_AUX_CFG3 0x02c
> +#define QSERDES_DP_PHY_AUX_CFG4 0x030
> +#define QSERDES_DP_PHY_AUX_CFG5 0x034
> +#define QSERDES_DP_PHY_AUX_CFG6 0x038
> +#define QSERDES_DP_PHY_AUX_CFG7 0x03c
> +#define QSERDES_DP_PHY_AUX_CFG8 0x040
> +#define QSERDES_DP_PHY_AUX_CFG9 0x044
>
> +/* Only for QMP V3 PHY - DP PHY registers */
> #define QSERDES_V3_DP_PHY_AUX_INTERRUPT_MASK 0x048
> # define PHY_AUX_STOP_ERR_MASK 0x01
> # define PHY_AUX_DEC_ERR_MASK 0x02
> --
> 2.30.2
>
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