usb: musb: ux500: add configuration and build options for ux500 dma

Signed-off-by: NMian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>
Signed-off-by: NFelipe Balbi <balbi@ti.com>

drivers/usb/musb/Kconfig

@@ -153,6 +153,13 @@ config MUSB_PIO_ONLY
 	  you can still disable it at run time using the "use_dma=n" module
 	  parameter.
 
+config USB_UX500_DMA
+	bool
+	depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY
+	default USB_MUSB_UX500
+	help
+	  Enable DMA transfers on UX500 platforms.
+
 config USB_INVENTRA_DMA
 	bool
 	depends on USB_MUSB_HDRC && !MUSB_PIO_ONLY

drivers/usb/musb/Makefile

@@ -37,6 +37,11 @@ ifneq ($(CONFIG_MUSB_PIO_ONLY),y)
       ifeq ($(CONFIG_USB_TUSB_OMAP_DMA),y)
 	musb_hdrc-y		+= tusb6010_omap.o
 
+      else
+        ifeq ($(CONFIG_USB_UX500_DMA),y)
+	  musb_hdrc-y		+= ux500_dma.o
+
+        endif
       endif
     endif
   endif