On Wed, 11 Sept 2024 at 13:08, Soutrik Mukhopadhyay
<quic_mukhopad@xxxxxxxxxxx> wrote:
>
> Add support for eDP PHY v5 found on the Qualcomm SA8775P platform.
>
> Signed-off-by: Soutrik Mukhopadhyay <quic_mukhopad@xxxxxxxxxxx>
> ---
> drivers/phy/qualcomm/phy-qcom-edp.c | 47 +++++++++++++++++++++++++++++
> 1 file changed, 47 insertions(+)
>
> diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c
> index 0f860a807d1b..34a47cd2919d 100644
> --- a/drivers/phy/qualcomm/phy-qcom-edp.c
> +++ b/drivers/phy/qualcomm/phy-qcom-edp.c
> @@ -191,6 +191,45 @@ static u8 edp_phy_aux_cfg_v4[10] = {
> 0x00, 0x13, 0x24, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
> };
>
> +static const u8 edp_swing_hbr_rbr_v5[4][4] = {
> + { 0x07, 0x0f, 0x16, 0x1f },
> + { 0x0d, 0x16, 0x1e, 0xff },
> + { 0x11, 0x1b, 0xff, 0xff },
> + { 0x16, 0xff, 0xff, 0xff }
> +};
Same as v4
> +
> +static const u8 edp_pre_emp_hbr_rbr_v5[4][4] = {
> + { 0x05, 0x11, 0x17, 0x1d },
> + { 0x05, 0x11, 0x18, 0xff },
> + { 0x06, 0x11, 0xff, 0xff },
> + { 0x00, 0xff, 0xff, 0xff }
> +};
Could you please confirm that there is a single value difference?
> +
> +static const u8 edp_swing_hbr2_hbr3_v5[4][4] = {
> + { 0x0b, 0x11, 0x17, 0x1c },
> + { 0x10, 0x19, 0x1f, 0xff },
> + { 0x19, 0x1f, 0xff, 0xff },
> + { 0x1f, 0xff, 0xff, 0xff }
> +};
Same as v4
> +
> +static const u8 edp_pre_emp_hbr2_hbr3_v5[4][4] = {
> + { 0x0c, 0x15, 0x19, 0x1e },
> + { 0x0b, 0x15, 0x19, 0xff },
> + { 0x0e, 0x14, 0xff, 0xff },
> + { 0x0d, 0xff, 0xff, 0xff }
> +};
This one looks fine
> +
> +static const struct qcom_edp_swing_pre_emph_cfg edp_phy_swing_pre_emph_cfg_v5 = {
> + .swing_hbr_rbr = &edp_swing_hbr_rbr_v5,
> + .swing_hbr3_hbr2 = &edp_swing_hbr2_hbr3_v5,
> + .pre_emphasis_hbr_rbr = &edp_pre_emp_hbr_rbr_v5,
> + .pre_emphasis_hbr3_hbr2 = &edp_pre_emp_hbr2_hbr3_v5,
> +};
> +
> +static u8 edp_phy_aux_cfg_v5[10] = {
> + 0x00, 0x13, 0xa4, 0x00, 0x0a, 0x26, 0x0a, 0x03, 0x37, 0x03
> +};
> +
> static int qcom_edp_phy_init(struct phy *phy)
> {
> struct qcom_edp *edp = phy_get_drvdata(phy);
> @@ -520,6 +559,13 @@ static const struct phy_ver_ops qcom_edp_phy_ops_v4 = {
> .com_configure_ssc = qcom_edp_com_configure_ssc_v4,
> };
>
> +static const struct qcom_edp_phy_cfg sa8775p_dp_phy_cfg = {
> + .is_edp = false,
> + .aux_cfg = edp_phy_aux_cfg_v5,
> + .swing_pre_emph_cfg = &edp_phy_swing_pre_emph_cfg_v5,
> + .ver_ops = &qcom_edp_phy_ops_v4,
> +};
> +
> static const struct qcom_edp_phy_cfg sc7280_dp_phy_cfg = {
> .aux_cfg = edp_phy_aux_cfg_v4,
> .ver_ops = &qcom_edp_phy_ops_v4,
> @@ -1114,6 +1160,7 @@ static int qcom_edp_phy_probe(struct platform_device *pdev)
> }
>
> static const struct of_device_id qcom_edp_phy_match_table[] = {
> + { .compatible = "qcom,sa8775p-edp-phy", .data = &sa8775p_dp_phy_cfg, },
> { .compatible = "qcom,sc7280-edp-phy", .data = &sc7280_dp_phy_cfg, },
> { .compatible = "qcom,sc8180x-edp-phy", .data = &sc7280_dp_phy_cfg, },
> { .compatible = "qcom,sc8280xp-dp-phy", .data = &sc8280xp_dp_phy_cfg, },
> --
> 2.17.1
>
--
With best wishes
Dmitry
