arm64: dts: allwinner: a64: Orange Pi Win: Enable USB hub regulator

The Orange Pi Win has four standard USB-A sockets, connected to an
on-board USB hub. The hub's and socket's power regulators are enabled by
GPIO PD7.

Add the regulator to the DT to enable the power supply.
Signed-off-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>

arch/arm64/boot/dts/allwinner/sun50i-a64-orangepi-win.dts

@@ -57,6 +57,17 @@ aliases {
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
+
+	reg_usb1_vbus: usb1-vbus {
+		compatible = "regulator-fixed";
+		regulator-name = "usb1-vbus";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-boot-on;
+		enable-active-high;
+		gpio = <&pio 3 7 GPIO_ACTIVE_HIGH>; /* PD7 */
+		status = "okay";
+	};
 };
 
 &ehci1 {
@@ -204,6 +215,7 @@ &uart0 {
 };
 
 &usbphy {
+	usb1_vbus-supply = <&reg_usb1_vbus>;
 	status = "okay";
 };