arm64: dts: rockchip: add usb3 support to the radxa rock3 model a

The Radxa ROCK3 Model A features one USB 3.0 host port and one USB 3.0
OTG/DRD port. Enable them in the device tree.
Signed-off-by: Michael Riesch <michael.riesch@wolfvision.net>
Link: https://lore.kernel.org/r/20220425133502.405512-2-michael.riesch@wolfvision.netSigned-off-by: Heiko Stuebner <heiko@sntech.de>

arch/arm64/boot/dts/rockchip/rk3568-rock-3a.dts

@@ -96,6 +96,26 @@ vcc5v0_usb_host: vcc5v0-usb-host {
 		regulator-max-microvolt = <5000000>;
 		vin-supply = <&vcc5v0_usb>;
 	};
+
+	vcc5v0_usb_otg: vcc5v0-usb-otg-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 RK_PA5 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&vcc5v0_usb_otg_en>;
+		regulator-name = "vcc5v0_usb_otg";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc5v0_usb>;
+	};
+};
+
+&combphy0 {
+	status = "okay";
+};
+
+&combphy1 {
+	status = "okay";
 };
 
 &cpu0 {
@@ -416,6 +436,9 @@ usb {
 		vcc5v0_usb_host_en: vcc5v0_usb_host_en {
 			rockchip,pins = <0 RK_PA6 RK_FUNC_GPIO &pcfg_pull_none>;
 		};
+		vcc5v0_usb_otg_en: vcc5v0_usb_otg_en {
+			rockchip,pins = <0 RK_PA5 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
 	};
 };
 
@@ -479,6 +502,11 @@ &usb_host0_ohci {
 	status = "okay";
 };
 
+&usb_host0_xhci {
+	extcon = <&usb2phy0>;
+	status = "okay";
+};
+
 &usb_host1_ehci {
 	status = "okay";
 };
@@ -487,6 +515,24 @@ &usb_host1_ohci {
 	status = "okay";
 };
 
+&usb_host1_xhci {
+	status = "okay";
+};
+
+&usb2phy0 {
+	status = "okay";
+};
+
+&usb2phy0_host {
+	phy-supply = <&vcc5v0_usb_host>;
+	status = "okay";
+};
+
+&usb2phy0_otg {
+	vbus-supply = <&vcc5v0_usb_otg>;
+	status = "okay";
+};
+
 &usb2phy1 {
 	status = "okay";
 };