usb: add clock support to r8a66597 gadget driver

Add support for the clock framework to the r8a66597 gadget driver.
This is needed to control the clock driving the USB block.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/drivers/usb/gadget/r8a66597-udc.h b/drivers/usb/gadget/r8a66597-udc.h
index a2464bf337c8..7d9a325e7b6d 100644
--- a/drivers/usb/gadget/r8a66597-udc.h
+++ b/drivers/usb/gadget/r8a66597-udc.h
@@ -23,6 +23,10 @@
 #ifndef __R8A66597_H__
 #define __R8A66597_H__
 
+#ifdef CONFIG_HAVE_CLK
+#include <linux/clk.h>
+#endif
+
 #include <linux/usb/r8a66597.h>
 
 #define R8A66597_MAX_SAMPLING   10
@@ -88,6 +92,9 @@ struct r8a66597 {
         spinlock_t              lock;
         unsigned long           reg;
 
+#ifdef CONFIG_HAVE_CLK
+        struct clk *clk;
+#endif
         struct r8a66597_platdata        *pdata;
 
         struct usb_gadget               gadget;