// Initialization return 0;
CONFIG_USB=y CONFIG_USB_DWC2=y CONFIG_USB_DWC2_HOST=y (or _PERIPHERAL or _DUAL) CONFIG_PHY_SUN4I_USB=y CONFIG_USB_EHCI_HCD=y CONFIG_USB_OHCI_HCD=y CONFIG_USB_ROLE_SWITCH=y CONFIG_EXTCON=y For peripheral mode gadgets: allwinner usb driver
static int my_probe(struct usb_interface *intf, const struct usb_device_id *id) // Initialization return 0