arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13: Set up 4-lane DP

Allow up to 4 lanes for the DisplayPort link from the PHYs to the
controllers and allow mode-switch events to reach the QMP Combo PHYs.

Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
[konrad: reword]
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Tested-by: Neil Armstrong <neil.armstrong@linaro.org> # on Lenovo Thinkpad T14S
Link: https://lore.kernel.org/r/20250807-topic-4ln_dp_respin-v4-6-43272d6eca92@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
index 73447a2e897e24812d9e68d9800c2a4479c94303..637430719e6d7d3c0eeb4abf2b80eea1f8289530 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -738,7 +738,7 @@
 };
 
 &mdss0_dp0_out {
-       data-lanes = <0 1>;
+       data-lanes = <0 1 2 3>;
        remote-endpoint = <&usb_0_qmpphy_dp_in>;
 };
 
@@ -747,7 +747,7 @@
 };
 
 &mdss0_dp1_out {
-       data-lanes = <0 1>;
+       data-lanes = <0 1 2 3>;
        remote-endpoint = <&usb_1_qmpphy_dp_in>;
 };
 
@@ -1367,6 +1367,7 @@
        vdda-phy-supply = <&vreg_l9d>;
        vdda-pll-supply = <&vreg_l4d>;
 
+       mode-switch;
        orientation-switch;
 
        status = "okay";
@@ -1404,6 +1405,7 @@
        vdda-phy-supply = <&vreg_l4b>;
        vdda-pll-supply = <&vreg_l3b>;
 
+       mode-switch;
        orientation-switch;
 
        status = "okay";