arm64: dts: qcom: sm8750-mtp: Enable DisplayPort over USB

Hook up DisplayPort parts over Type-C USB on MTP8750.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260317-sm8750-display-dts-v5-4-fb53371e251c@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

diff --git a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
index 6107a4ed2c80addfc50753787e936eb1e6e22cd4..3837f6785320df06e211963d07005550eb4a6289 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-mtp.dts
@@ -987,6 +987,14 @@
        status = "okay";
 };
 
+&mdss_dp0 {
+       status = "okay";
+};
+
+&mdss_dp0_out {
+       link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
+};
+
 &mdss_dsi0 {
        vdda-supply = <&vreg_l3g_1p2>;
 

diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 480a7a827d7d60d5e7c3a324020431367d9564f5..74b29db27b8ef2d58992e7d3c2c6036a2585d040 100644 (file)
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -2789,6 +2789,7 @@
                                        reg = <2>;
 
                                        usb_dp_qmpphy_dp_in: endpoint {
+                                               remote-endpoint = <&mdss_dp0_out>;
                                        };
                                };
                        };
@@ -3398,6 +3399,7 @@
 
                                                mdss_dp0_out: endpoint {
                                                        data-lanes = <0 1 2 3>;
+                                                       remote-endpoint = <&usb_dp_qmpphy_dp_in>;
                                                };
                                        };
                                };