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&ehci0 {
        status = "okay";
};

&ohci0 {
        status = "okay";
};


&usb_otg {
        status = "okay";
        dr_mode = "peripheral";
};

&usbphy {
        usb0_id_det-gpios = <&pio 6 12 GPIO_ACTIVE_HIGH>; /* PG12 */
        status = "okay";
};

Device Drivers
	USB support
		<*>   Inventra Highspeed Dual Role Controller (TI, ADI, AW, ...)
			MUSB Mode Selection (Dual Role mode)
			*** Platform Glue Layer ***
			<*>     Allwinner (sunxi)
		<*>   USB Gadget Support
			[*]   Serial gadget console support
			<*>   USB Gadget precomposed configurations (Serial Gadget (with CDC ACM and CDC OBEX support))

[    1.087159] udc-core: couldn't find an available UDC - added [g_serial] to list of pending drivers
[    1.910676] g_serial gadget: Gadget Serial v2.4
[    1.915232] g_serial gadget: g_serial ready