[C61] add usb support

arch/arm64/boot/dts/seco/seco-imx8mm-c61.dts

@@ -59,6 +59,27 @@ reg_gpio_exp_rst: gpio_exp_reset {
 		regulator-always-on;
 	};
 
+	reg_usb_pwr_en: usb2_pwren_regulator {
+		compatible = "regulator-fixed";
+		regulator-name = "USB_PWR_EN";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&gpio4 2 GPIO_ACTIVE_HIGH>;
+		enable-active-low;
+		regulator-boot-on;
+		regulator-always-on;
+	};
+
+	vbus_otg_on: vbusotgon {
+		compatible = "regulator-fixed";
+		regulator-name = "VBUS_OTG_ON";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		gpio = <&pca6416_20 14 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
 	sound-micfil {
 		compatible = "fsl,imx-audio-micfil";
 		model = "imx-audio-micfil";
@@ -389,7 +410,13 @@ &uart3 {
 };
 
 &usbotg1 {
-	dr_mode = "otg";
+	vbus-supply = <&vbus_otg_on>;
+	dr_mode = "host";
+	status = "okay";
+};
+
+&usbotg2 {
+	dr_mode = "host";
 	status = "okay";
 };