Input: Add ATMEL QT602240 touchscreen driver

The chip's full name is AT42QT602240 or ATMXT224. This is a capacitive
touchscreen supporting 10-contact multitouch and using I2C interface.

Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Acked-by: Henrik Rydberg <rydberg@euromail.se>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/touchscreen/Kconfig b/drivers/input/touchscreen/Kconfig
index ff18d89..7bfcfdf 100644
--- a/drivers/input/touchscreen/Kconfig
+++ b/drivers/input/touchscreen/Kconfig
@@ -291,6 +291,18 @@
 	  To compile this driver as a module, choose M here: the
 	  module will be called penmount.
 
+config TOUCHSCREEN_QT602240
+	tristate "QT602240 I2C Touchscreen"
+	depends on I2C
+	help
+	  Say Y here if you have the AT42QT602240/ATMXT224 I2C touchscreen
+	  connected to your system.
+
+	  If unsure, say N.
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called qt602240_ts.
+
 config TOUCHSCREEN_MIGOR
 	tristate "Renesas MIGO-R touchscreen"
 	depends on SH_MIGOR && I2C