arm64: dts: qcom: x1e80100-romulus: Enable DP over Type-C

Both ports seem to work, just like on other X1E laptops.

Tested with a Type-C-to-HDMI2.0 dock (translating into up to 2 DP lanes
worth of bandwidth).

Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250514-topic-romu_dp-v1-1-6242d6acb5e5@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
index 26ae19b34b37e0e3c67eb4543de898e94e62c678..0fd8516580b2679ee425438cb73fd4078cb20581 100644 (file)
--- a/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
+++ b/arch/arm64/boot/dts/qcom/x1e80100-microsoft-romulus.dtsi
@@ -944,6 +944,24 @@
        status = "okay";
 };
 
+&mdss_dp0 {
+       status = "okay";
+};
+
+&mdss_dp0_out {
+       data-lanes = <0 1>;
+       link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
+&mdss_dp1 {
+       status = "okay";
+};
+
+&mdss_dp1_out {
+       data-lanes = <0 1>;
+       link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
 &mdss_dp3 {
        /delete-property/ #sound-dai-cells;