Atmel USBA

modulename: atmel_usba_udc.ko

configname: CONFIG_USB_ATMEL_USBA

USB Peripheral Controller
└─>Atmel USBA
In linux kernel since version 2.6.24 (release Date: 2008-01-24)  
USBA is the integrated high-speed USB Device controller on
the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.

source code:
drivers/usb/gadget/atmel_usba_udc.c