Add compatible string for the supported eDP PHY on sc7280 platform.

Signed-off-by: Sankeerth Billakanti quic_sbillaka@quicinc.com --- Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml index 9076e19..a5850ff 100644 --- a/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml +++ b/Documentation/devicetree/bindings/phy/qcom,edp-phy.yaml @@ -16,7 +16,9 @@ description:

properties: compatible: - const: qcom,sc8180x-edp-phy + enum: + - qcom,sc7280-edp-phy + - qcom,sc8180x-edp-phy

reg: items:

The sc7280 platform supports native eDP controller and PHY. This change will add support for the eDP PHY on sc7280.

Signed-off-by: Sankeerth Billakanti quic_sbillaka@quicinc.com --- drivers/phy/qualcomm/phy-qcom-edp.c | 1 + 1 file changed, 1 insertion(+)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c index 17d5653..6d9404d 100644 --- a/drivers/phy/qualcomm/phy-qcom-edp.c +++ b/drivers/phy/qualcomm/phy-qcom-edp.c @@ -654,6 +654,7 @@ static int qcom_edp_phy_probe(struct platform_device *pdev) }

static const struct of_device_id qcom_edp_phy_match_table[] = { + { .compatible = "qcom,sc7280-edp-phy" }, { .compatible = "qcom,sc8180x-edp-phy" }, { } };

Some legacy eDP sinks may not support SSC. The support for SSC is indicated through an opts flag from the controller driver. This change will enable SSC only if the sink supports it.

Signed-off-by: Sankeerth Billakanti quic_sbillaka@quicinc.com --- drivers/phy/qualcomm/phy-qcom-edp.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/phy/qualcomm/phy-qcom-edp.c b/drivers/phy/qualcomm/phy-qcom-edp.c index 6d9404d..06ba609 100644 --- a/drivers/phy/qualcomm/phy-qcom-edp.c +++ b/drivers/phy/qualcomm/phy-qcom-edp.c @@ -335,9 +335,11 @@ static int qcom_edp_phy_power_on(struct phy *phy) writel(0x00, edp->tx0 + TXn_LANE_MODE_1); writel(0x00, edp->tx1 + TXn_LANE_MODE_1);

- ret = qcom_edp_configure_ssc(edp); - if (ret) - return ret; + if (edp->dp_opts.ssc) { + ret = qcom_edp_configure_ssc(edp); + if (ret) + return ret; + }

ret = qcom_edp_configure_pll(edp); if (ret)