USB: add atmel_usba_udc driver

This is a driver for the Atmel USBA UDC which can be found integrated
on AT32AP700x AVR32 processors. For hardware documentation, please see
the AT32AP7000 data sheet:

http://www.atmel.com/dyn/resources/prod_documents/doc32003.pdf

This is a dual speed controller (connects at high or full speed).
The driver supports up to 7 control, bulk, interrupt and isochronous
endpoints with some constraints. Bulk, interrupt and isochronous
transfers are driven by DMA.

Signed-off-by: Haavard Skinnemoen <hskinnemoen@atmel.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index 767aed5..f81d08d 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -67,6 +67,17 @@
 	   driver on a new board.   Enable these files by choosing "Y"
 	   here.  If in doubt, or to conserve kernel memory, say "N".
 
+config USB_GADGET_DEBUG_FS
+	boolean "Debugging information files in debugfs"
+	depends on USB_GADGET && DEBUG_FS
+	help
+	   Some of the drivers in the "gadget" framework can expose
+	   debugging information in files under /sys/kernel/debug/.
+	   The information in these files may help when you're
+	   troubleshooting or bringing up a driver on a new board.
+	   Enable these files by choosing "Y" here.  If in doubt, or
+	   to conserve kernel memory, say "N".
+
 config	USB_GADGET_SELECTED
 	boolean
 
@@ -103,6 +114,20 @@
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
+config USB_GADGET_ATMEL_USBA
+	boolean "Atmel USBA"
+	select USB_GADGET_DUALSPEED
+	depends on AVR32
+	help
+	  USBA is the integrated high-speed USB Device controller on
+	  the AT32AP700x processors from Atmel.
+
+config USB_ATMEL_USBA
+	tristate
+	depends on USB_GADGET_ATMEL_USBA
+	default USB_GADGET
+	select USB_GADGET_SELECTED
+
 config USB_GADGET_FSL_USB2
 	boolean "Freescale Highspeed USB DR Peripheral Controller"
 	depends on MPC834x || PPC_MPC831x
@@ -228,7 +253,6 @@
 	default USB_GADGET
 	select USB_GADGET_SELECTED
 
-
 config USB_GADGET_OMAP
 	boolean "OMAP USB Device Controller"
 	depends on ARCH_OMAP