ARM: dts: am437x: cm-t43: add USB support

Add USB support for CompuLab sbc-t43 single board computer,
defaulting to host mode.
Signed-off-by: NNikita Kiryanov <nikita@compulab.co.il>
Cc: Tony Lindgren <tony@atomide.com>
Cc: Benoit Cousson <bcousson@baylibre.com>
Cc: Rob Herring <robh@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Dmitry Lifshitz <lifshitz@compulab.co.il>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Signed-off-by: NTony Lindgren <tony@atomide.com>

arch/arm/boot/dts/am437x-cm-t43.dts

@@ -327,6 +327,36 @@
 	dual_emac_res_vlan = <2>;
 };
 
+&dwc3_1 {
+	status = "okay";
+};
+
+&usb2_phy1 {
+	status = "okay";
+};
+
+&usb1 {
+	dr_mode = "host";
+	status = "okay";
+};
+
+&dwc3_2 {
+	status = "okay";
+};
+
+&usb2_phy2 {
+	status = "okay";
+};
+
+&usb2 {
+	dr_mode = "host";
+	status = "okay";
+	interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
+		     <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
+		     <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
+	interrupt-names = "peripheral", "host", "otg";
+};
+
 &elm {
 	status = "okay";
 };

arch/arm/boot/dts/am437x-sbc-t43.dts

@@ -36,6 +36,18 @@
 			AM4372_IOPAD(0x97c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE3)  /* uart1_rtsn.i2c2_scl */
 		>;
 	};
+
+	usb2_phy1_default: usb2_phy1_default {
+		pinctrl-single,pins = <
+			AM4372_IOPAD(0xac0, DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE0)
+		>;
+	};
+
+	usb2_phy2_default: usb2_phy2_default {
+		pinctrl-single,pins = <
+			AM4372_IOPAD(0xac4, DS0_PULL_UP_DOWN_EN | PIN_INPUT_PULLDOWN | MUX_MODE0)
+		>;
+	};
 };
 
 &i2c1 {
@@ -54,3 +66,13 @@
 	pinctrl-names = "default";
 	pinctrl-0 = <&uart0_pins_default>;
 };
+
+&dwc3_1 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb2_phy1_default>;
+};
+
+&dwc3_2 {
+	pinctrl-names = "default";
+	pinctrl-0 = <&usb2_phy2_default>;
+};