Input: add support for enhanced rotary controller on pxa930 and pxa935

Signed-off-by: Yong Yao <yaoyong@marvell.com>
Signed-off-by: Eric Miao <eric.miao@marvell.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index efd70a9..3556168 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -268,6 +268,15 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called pxa27x_keypad.
 
+config KEYBOARD_PXA930_ROTARY
+	tristate "PXA930/PXA935 Enhanced Rotary Controller Support"
+	depends on CPU_PXA930 || CPU_PXA935
+	help
+	  Enable support for PXA930/PXA935 Enhanced Rotary Controller.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called pxa930_rotary.
+
 config KEYBOARD_AAED2000
 	tristate "AAED-2000 keyboard"
 	depends on MACH_AAED2000