rockchip: dts: tinker: add usb host power supply node

Tinker board have a usb host. add dts node to provide power supply.

Signed-off-by: Eddie Cai <eddie.cai.linux@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/arm/dts/rk3288-tinker.dts

@@ -30,6 +30,12 @@
 
 &pinctrl {
 	u-boot,dm-pre-reloc;
+
+	usb {
+		host_vbus_drv: host-vbus-drv {
+			rockchip,pins = <0 14 RK_FUNC_GPIO &pcfg_pull_none>;
+		};
+	};
 };
 
 &pwm1 {
@@ -41,6 +47,11 @@
 	reg-shift = <2>;
 };
 
+&usb_host1 {
+	vbus-supply = <&vcc5v0_host>;
+	status = "okay";
+};
+
 &sdmmc {
 	u-boot,dm-pre-reloc;
 };

arch/arm/dts/rk3288-tinker.dtsi

@@ -110,6 +110,18 @@
 		startup-delay-us = <100000>;
 		vin-supply = <&vcc_io>;
 	};
+
+	vcc5v0_host: usb-host-regulator {
+		compatible = "regulator-fixed";
+		enable-active-high;
+		gpio = <&gpio0 14 GPIO_ACTIVE_HIGH>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&host_vbus_drv>;
+		regulator-name = "vcc5v0_host";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
 };
 
 &cpu0 {