ARM: dts: Add Vbus regulator for USB 3.0 on exynos5420-peach-pit

Add required fixed-regulator for VBUS supply for USB 3.0
controller phy.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>

arch/arm/boot/dts/exynos5420-peach-pit.dts

@@ -65,6 +65,28 @@ sound {
 		samsung,i2s-controller = <&i2s0>;
 		samsung,audio-codec = <&max98090>;
 	};
+
+	usb300_vbus_reg: regulator-usb300 {
+		compatible = "regulator-fixed";
+		regulator-name = "P5.0V_USB3CON0";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gph0 0 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb300_vbus_en>;
+		enable-active-high;
+	};
+
+	usb301_vbus_reg: regulator-usb301 {
+		compatible = "regulator-fixed";
+		regulator-name = "P5.0V_USB3CON1";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		gpio = <&gph0 1 0>;
+		pinctrl-names = "default";
+		pinctrl-0 = <&usb301_vbus_en>;
+		enable-active-high;
+	};
 };
 
 &pinctrl_0 {
@@ -97,6 +119,22 @@ hdmi_hpd_irq: hdmi-hpd-irq {
 	};
 };
 
+&pinctrl_3 {
+	usb300_vbus_en: usb300-vbus-en {
+		samsung,pins = "gph0-0";
+		samsung,pin-function = <1>;
+		samsung,pin-pud = <0>;
+		samsung,pin-drv = <0>;
+	};
+
+	usb301_vbus_en: usb301-vbus-en {
+		samsung,pins = "gph0-1";
+		samsung,pin-function = <1>;
+		samsung,pin-pud = <0>;
+		samsung,pin-drv = <0>;
+	};
+};
+
 &rtc {
 	status = "okay";
 };
@@ -186,6 +224,14 @@ &hdmi {
 	ddc = <&i2c_2>;
 };
 
+&usbdrd3_0 {
+	vbus-supply = <&usb300_vbus_reg>;
+};
+
+&usbdrd3_1 {
+	vbus-supply = <&usb301_vbus_reg>;
+};
+
 /*
  * Use longest HW watchdog in SoC (32 seconds) since the hardware
  * watchdog provides no debugging information (compared to soft/hard