[PATCH v3 6/6] arm64: dts: qcom: sc8280xp-lenovo-thinkpad-x13: Set up 4-lane DP
Konrad Dybcio
konradybcio at kernel.org
Tue May 27 13:40:08 PDT 2025
From: Neil Armstrong <neil.armstrong at linaro.org>
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 at linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov at linaro.org>
[konrad: reword]
Signed-off-by: Konrad Dybcio <konrad.dybcio at oss.qualcomm.com>
---
arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
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 ae7a275fd2236a2c71808b003fbcb66687e6e45e..336704e2a806e74c98a8dd483d8da0311df95389 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
+++ b/arch/arm64/boot/dts/qcom/sc8280xp-lenovo-thinkpad-x13s.dts
@@ -726,7 +726,7 @@ &mdss0_dp0 {
};
&mdss0_dp0_out {
- data-lanes = <0 1>;
+ data-lanes = <0 1 2 3>;
remote-endpoint = <&usb_0_qmpphy_dp_in>;
};
@@ -735,7 +735,7 @@ &mdss0_dp1 {
};
&mdss0_dp1_out {
- data-lanes = <0 1>;
+ data-lanes = <0 1 2 3>;
remote-endpoint = <&usb_1_qmpphy_dp_in>;
};
@@ -1358,6 +1358,7 @@ &usb_0_qmpphy {
vdda-phy-supply = <&vreg_l9d>;
vdda-pll-supply = <&vreg_l4d>;
+ mode-switch;
orientation-switch;
status = "okay";
@@ -1395,6 +1396,7 @@ &usb_1_qmpphy {
vdda-phy-supply = <&vreg_l4b>;
vdda-pll-supply = <&vreg_l3b>;
+ mode-switch;
orientation-switch;
status = "okay";
--
2.49.0
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