arm64: dts: verdin-imx8mp: add gpio usb-b connector

Add GPIO USB-B connector (gpio-usb-b-connector) functionality using
Verdin USB_1_ID.
Signed-off-by: NMarcel Ziswiler <marcel.ziswiler@toradex.com>
Signed-off-by: NShawn Guo <shawnguo@kernel.org>

arch/arm64/boot/dts/freescale/imx8mp-verdin.dtsi

@@ -814,18 +814,26 @@
 	pinctrl-0 = <&pinctrl_usb_1_oc_n>;
 };
 
-&usb3_phy0 {
-	vbus-supply = <&reg_usb1_vbus>;
-};
-
 &usb_dwc3_0 {
+	/* dual role only, not full featured OTG */
 	adp-disable;
 	dr_mode = "otg";
 	hnp-disable;
 	maximum-speed = "high-speed";
-	pinctrl-names = "default";
-	pinctrl-0 = <&pinctrl_usb_1_id>;
+	role-switch-default-mode = "peripheral";
 	srp-disable;
+	usb-role-switch;
+
+	connector {
+		compatible = "gpio-usb-b-connector", "usb-b-connector";
+		id-gpios = <&gpio2 10 GPIO_ACTIVE_HIGH>;
+		label = "Type-C";
+		pinctrl-names = "default";
+		pinctrl-0 = <&pinctrl_usb_1_id>;
+		self-powered;
+		type = "micro";
+		vbus-supply = <&reg_usb1_vbus>;
+	};
 };
 
 /* Verdin USB_2 */