arm: dts: k3-am654-base-board: enable USB1

Add pinmux for USB1 and enable it as a peripheral port in U-Boot
specific dtsi since U-Boot does not support OTG.
Disable USB0 as its not available on the baseboard.

Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts
index 573ead0..7ebbf17 100644
--- a/arch/arm/dts/k3-am654-base-board.dts
+++ b/arch/arm/dts/k3-am654-base-board.dts
@@ -58,6 +58,12 @@
 			AM65X_IOPAD(0x01b0, PIN_INPUT, 0)		/* (C25) MMC0_DS */
 		>;
 	};
+
+	usb1_pins_default: usb1_pins_default {
+		pinctrl-single,pins = <
+			AM65X_IOPAD(0x02c0, PIN_OUTPUT, 0) /* (AC8) USB1_DRVVBUS */
+		>;
+	};
 };
 
 &wkup_pmx0 {
@@ -89,3 +95,25 @@
 		#gpio-cells = <2>;
 	};
 };
+
+&dwc3_1 {
+	status = "okay";
+};
+
+&usb1_phy {
+	status = "okay";
+};
+
+&usb1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb1_pins_default>;
+	dr_mode = "otg";
+};
+
+&dwc3_0 {
+	status = "disabled";
+};
+
+&usb0_phy {
+	status = "disabled";
+};