ARM: dts: imx6sx-sdb: Add USB support

Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NShawn Guo <shawn.guo@freescale.com>

arch/arm/boot/dts/imx6sx-sdb.dts

@@ -58,6 +58,30 @@
 			gpio = <&gpio2 11 GPIO_ACTIVE_HIGH>;
 			enable-active-high;
 		};
+
+		reg_usb_otg1_vbus: regulator@1 {
+			compatible = "regulator-fixed";
+			reg = <1>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_otg1>;
+			regulator-name = "usb_otg1_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
+
+		reg_usb_otg2_vbus: regulator@2 {
+			compatible = "regulator-fixed";
+			reg = <2>;
+			pinctrl-names = "default";
+			pinctrl-0 = <&pinctrl_usb_otg2>;
+			regulator-name = "usb_otg2_vbus";
+			regulator-min-microvolt = <5000000>;
+			regulator-max-microvolt = <5000000>;
+			gpio = <&gpio1 12 GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+		};
 	};
 };
 
@@ -81,6 +105,19 @@
 	status = "okay";
 };
 
+&usbotg1 {
+	vbus-supply = <&reg_usb_otg1_vbus>;
+	pinctrl-names = "default";
+	pinctrl-0 = <&pinctrl_usb_otg1_id>;
+	status = "okay";
+};
+
+&usbotg2 {
+	vbus-supply = <&reg_usb_otg2_vbus>;
+	dr_mode = "host";
+	status = "okay";
+};
+
 &usdhc2 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_usdhc2>;
@@ -163,6 +200,24 @@
 			>;
 		};
 
+		pinctrl_usb_otg1: usbotg1grp {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO09__GPIO1_IO_9	0x10b0
+			>;
+		};
+
+		pinctrl_usb_otg1_id: usbotg1idgrp {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO10__ANATOP_OTG1_ID	0x17059
+			>;
+		};
+
+		pinctrl_usb_otg2: usbot2ggrp {
+			fsl,pins = <
+				MX6SX_PAD_GPIO1_IO12__GPIO1_IO_12	0x10b0
+			>;
+		};
+
 		pinctrl_usdhc2: usdhc2grp {
 			fsl,pins = <
 				MX6SX_PAD_SD2_CMD__USDHC2_CMD		0x17059