usb: gadget: R8A66597 peripheral controller support.

While in-tree support for the R8A66597 host side has been supported for
some time, the peripheral side has so far been unsupported. This adds a
new USB gadget driver which bridges the gap and finally wires up the
peripheral side as well.

Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com>
Tested-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 18 insertions, 0 deletions

diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig
index b7f10bc25c2c..9f986b417c5b 100644
--- a/drivers/usb/gadget/Kconfig
+++ b/drivers/usb/gadget/Kconfig
@@ -251,6 +251,24 @@ config USB_PXA25X_SMALL
         default y if USB_ETH
         default y if USB_G_SERIAL
 
+config USB_GADGET_R8A66597
+        boolean "Renesas R8A66597 USB Peripheral Controller"
+        select USB_GADGET_DUALSPEED
+        help
+           R8A66597 is a discrete USB host and peripheral controller chip that
+           supports both full and high speed USB 2.0 data transfers.
+           It has nine configurable endpoints, and endpoint zero.
+
+           Say "y" to link the driver statically, or "m" to build a
+           dynamically linked module called "r8a66597_udc" and force all
+           gadget drivers to also be dynamically linked.
+
+config USB_R8A66597
+        tristate
+        depends on USB_GADGET_R8A66597
+        default USB_GADGET
+        select USB_GADGET_SELECTED
+
 config USB_GADGET_PXA27X
         boolean "PXA 27x"
         depends on ARCH_PXA && (PXA27x || PXA3xx)