CONFIG_USB_ATMEL_USBA (not configurable)

modulename: atmel_usba_udc.ko

configname: CONFIG_USB_ATMEL_USBA

USB Peripheral Controller
└─>USB_ATMEL_USBA
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
source code:
drivers/usb/gadget/atmel_usba_udc.c