arm64: dts: qcom: sm8350-hdk: add pmic glink node

Add the pmic glink node linked with the DWC3 USB controller
switched to OTG mode and tagged with usb-role-switch.
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230130-topic-sm8450-upstream-pmic-glink-v5-9-552f3b721f9e@linaro.org

arch/arm64/boot/dts/qcom/sm8350-hdk.dts

@@ -31,6 +31,40 @@ hdmi_con: endpoint {
 		};
 	};
 
+	pmic-glink {
+		compatible = "qcom,sm8350-pmic-glink", "qcom,pmic-glink";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		connector@0 {
+			compatible = "usb-c-connector";
+			reg = <0>;
+			power-role = "dual";
+			data-role = "dual";
+
+			ports {
+				#address-cells = <1>;
+				#size-cells = <0>;
+
+				port@0 {
+					reg = <0>;
+
+					pmic_glink_hs_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_hs>;
+					};
+				};
+
+				port@1 {
+					reg = <1>;
+
+					pmic_glink_ss_in: endpoint {
+						remote-endpoint = <&usb_1_dwc3_ss>;
+					};
+				};
+			};
+		};
+	};
+
 	vph_pwr: vph-pwr-regulator {
 		compatible = "regulator-fixed";
 		regulator-name = "vph_pwr";
@@ -674,8 +708,16 @@ &usb_1 {
 };
 
 &usb_1_dwc3 {
-	/* TODO: Define USB-C connector properly */
-	dr_mode = "peripheral";
+	dr_mode = "otg";
+	usb-role-switch;
+};
+
+&usb_1_dwc3_hs {
+	remote-endpoint = <&pmic_glink_hs_in>;
+};
+
+&usb_1_dwc3_ss {
+	remote-endpoint = <&pmic_glink_ss_in>;
 };
 
 &usb_1_hsphy {