usb: gadget: bcm63xx UDC driver

Driver for the "USB20D" / "USBD" block on BCM6328, BCM6368, BCM6816,
BCM6362, BCM3383, and others.

The hardware block was designed to support networking applications
(direct connection of a home router to a PC), and the endpoint
configuration is fixed.

[ balbi@ti.com : dropped USB_GADGET_DUALSPEED from Kconfig ]

Signed-off-by: Kevin Cernekee <cernekee@gmail.com>
Acked-by: Sebastian Andrzej Siewior <sebastian@breakpoint.cc>
Signed-off-by: Felipe Balbi <balbi@ti.com>

drivers/usb/gadget/Kconfig

@@ -159,6 +159,17 @@ config USB_ATMEL_USBA
 	  USBA is the integrated high-speed USB Device controller on
 	  the AT32AP700x, some AT91SAM9 and AT91CAP9 processors from Atmel.
 
+config USB_BCM63XX_UDC
+	tristate "Broadcom BCM63xx Peripheral Controller"
+	depends on BCM63XX
+	help
+	   Many Broadcom BCM63xx chipsets (such as the BCM6328) have a
+	   high speed USB Device Port with support for four fixed endpoints
+	   (plus endpoint zero).
+
+	   Say "y" to link the driver statically, or "m" to build a
+	   dynamically linked module called "bcm63xx_udc".
+
 config USB_FSL_USB2
 	tristate "Freescale Highspeed USB DR Peripheral Controller"
 	depends on FSL_SOC || ARCH_MXC

drivers/usb/gadget/Makefile

@@ -16,6 +16,7 @@ obj-$(CONFIG_USB_OMAP)		+= omap_udc.o
 obj-$(CONFIG_USB_S3C2410)	+= s3c2410_udc.o
 obj-$(CONFIG_USB_AT91)		+= at91_udc.o
 obj-$(CONFIG_USB_ATMEL_USBA)	+= atmel_usba_udc.o
+obj-$(CONFIG_USB_BCM63XX_UDC)	+= bcm63xx_udc.o
 obj-$(CONFIG_USB_FSL_USB2)	+= fsl_usb2_udc.o
 fsl_usb2_udc-y			:= fsl_udc_core.o
 fsl_usb2_udc-$(CONFIG_ARCH_MXC)	+= fsl_mxc_udc.o