Input: add driver FSL MPR121 capacitive touch sensor
This patch adds basic support for Freescale MPR121 capacitive touch
sensor. It's an i2c controller with up to 12 capacitance sensing inputs.
Product information (data sheet, application notes) can be found here:
http://www.freescale.com/webapp/sps/site/prod_summary.jsp?code=MPR121
Signed-off-by: Zhang Jiejing <jiejing.zhang@freescale.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
diff --git a/drivers/input/keyboard/Kconfig b/drivers/input/keyboard/Kconfig
index b16bed0..dec090a 100644
--- a/drivers/input/keyboard/Kconfig
+++ b/drivers/input/keyboard/Kconfig
@@ -325,6 +325,18 @@
To compile this driver as a module, choose M here: the
module will be called mcs_touchkey.
+config KEYBOARD_MPR121
+ tristate "Freescale MPR121 Touchkey"
+ depends on I2C
+ help
+ Say Y here if you have Freescale MPR121 touchkey controller
+ chip in your system.
+
+ If unsure, say N.
+
+ To compile this driver as a module, choose M here: the
+ module will be called mpr121_touchkey.
+
config KEYBOARD_IMX
tristate "IMX keypad support"
depends on ARCH_MXC