arm64: dts: qcom: sdm845: describe connections of USB/DP port

Describe links between the first USB3 host and the DisplayPort that is
routed to the same pins.
Reviewed-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20240614-yoga-ec-driver-v7-5-9f0b9b40ae76@linaro.orgSigned-off-by: Bjorn Andersson <andersson@kernel.org>

arch/arm64/boot/dts/qcom/sdm845.dtsi

@@ -4031,6 +4031,35 @@ usb_1_qmpphy: phy@88e8000 {
 
 			#clock-cells = <1>;
 			#phy-cells = <1>;
+			orientation-switch;
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					usb_1_qmpphy_out: endpoint {
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					usb_1_qmpphy_usb_ss_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_ss>;
+					};
+				};
+
+				port@2 {
+					reg = <2>;
+
+					usb_1_qmpphy_dp_in: endpoint {
+						remote-endpoint = <&dp_out>;
+					};
+				};
+			};
 		};
 
 		usb_2_qmpphy: phy@88eb000 {
@@ -4111,6 +4140,26 @@ usb_1_dwc3: usb@a600000 {
 				snps,dis_enblslpm_quirk;
 				phys = <&usb_1_hsphy>, <&usb_1_qmpphy QMP_USB43DP_USB3_PHY>;
 				phy-names = "usb2-phy", "usb3-phy";
+
+				ports {
+					#address-cells = <1>;
+					#size-cells = <0>;
+
+					port@0 {
+						reg = <0>;
+
+						usb_1_dwc3_hs: endpoint {
+						};
+					};
+
+					port@1 {
+						reg = <1>;
+
+						usb_1_dwc3_ss: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_usb_ss_in>;
+						};
+					};
+				};
 			};
 		};
 
@@ -4601,7 +4650,9 @@ dp_in: endpoint {
 
 					port@1 {
 						reg = <1>;
-						dp_out: endpoint { };
+						dp_out: endpoint {
+							remote-endpoint = <&usb_1_qmpphy_dp_in>;
+						};
 					};
 				};