arm64: dts: rockchip: Enable USB for Khadas Edge 2L

The Khadas Edge 2L board provides one USB 3.0 Host port and
one USB 2.0 port (connected via an internal hub). Enable the
corresponding DWC3 controllers and PHYs.

Signed-off-by: Gray Huang <gray.huang@wesion.com>
Link: https://patch.msgid.link/20260507033541.2576335-2-gray.huang@wesion.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

Author: WesionGray

arch/arm64/boot/dts/rockchip/rk3576-khadas-edge-2l.dts

@@ -30,6 +30,29 @@
 		};
 	};
 
+	vcc5v0_device: regulator-vcc5v0-device {
+		compatible = "regulator-fixed";
+		regulator-name = "vcc5v0_device";
+		regulator-always-on;
+		regulator-boot-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+	};
+
+	vcc5v0_host: regulator-vcc5v0-host {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio2 RK_PD3 GPIO_ACTIVE_HIGH>;
+		regulator-name = "vcc5v0_host";
+		regulator-boot-on;
+		regulator-always-on;
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb_host_pwren>;
+		vin-supply = <&vcc5v0_device>;
+	};
+
 	vcc_sys: regulator-vcc5v0-sys {
 		compatible = "regulator-fixed";
 		regulator-name = "vcc_sys";
@@ -78,6 +101,10 @@
 	status = "okay";
 };
 
+&combphy1_psu {
+	status = "okay";
+};
+
 &cpu_l0 {
 	cpu-supply = <&vdd_cpu_lit_s0>;
 };
@@ -531,6 +558,12 @@
 		};
 	};
 
+	usb {
+		usb_host_pwren: usb-host-pwren {
+			rockchip,pins = <2 RK_PD3 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
+
 	wifi {
 		wifi_reg_on: wifi-reg-on {
 			rockchip,pins = <4 RK_PA2 RK_FUNC_GPIO &pcfg_pull_up>;
@@ -552,10 +585,24 @@
 	status = "okay";
 };
 
+&u2phy1 {
+	status = "okay";
+};
+
+&u2phy1_otg {
+	phy-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
 &uart0 {
 	status = "okay";
 };
 
+&usb_drd1_dwc3 {
+	dr_mode = "host";
+	status = "okay";
+};
+
 &vop {
 	status = "okay";
 };