ARM: dts: omap4-kc1: USB OTG support

This adds support for USB OTG on the Kindle Fire (first generation).
Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Signed-off-by: Tony Lindgren <tony@atomide.com>

arch/arm/boot/dts/omap4-kc1.dts

@@ -71,6 +71,14 @@ OMAP4_IOPAD(0x082, PIN_INPUT_PULLUP | MUX_MODE1)	/* sdmmc2_clk */
 			OMAP4_IOPAD(0x084, PIN_INPUT_PULLUP | MUX_MODE1)	/* sdmmc2_cmd */
 		>;
 	};
+
+	usb_otg_hs_pins: pinmux_usb_otg_hs_pins {
+		pinctrl-single,pins = <
+			OMAP4_IOPAD(0x194, PIN_OUTPUT_PULLDOWN | MUX_MODE0)	/* usba0_otg_ce */
+			OMAP4_IOPAD(0x196, PIN_INPUT | MUX_MODE0)		/* usba0_otg_dp */
+			OMAP4_IOPAD(0x198, PIN_INPUT | MUX_MODE0)		/* usba0_otg_dm */
+		>;
+	};
 };
 
 &uart3 {
@@ -136,5 +144,18 @@ &mmc4 {
 	status = "disabled";
 };
 
+&usb_otg_hs {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb_otg_hs_pins>;
+
+	interface-type = <1>;
+	mode = <3>;
+	power = <50>;
+};
+
 #include "twl6030.dtsi"
 #include "twl6030_omap4.dtsi"
+
+&twl_usb_comparator {
+	usb-supply = <&vusb>;
+};