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authorBeomho Seo <beomho.seo@samsung.com>2013-08-12 21:51:45 +0900
committerChanho Park <chanho61.park@samsung.com>2014-03-20 17:34:44 +0900
commit40633b3cd4611ecbe08d368bfc2df592f54edd81 (patch)
tree15e92b9f06c61a1cc80a8e890413b32692b6437a /Documentation
parentb61f5b33184f16e10dc0f1edb4aad422298a4ab9 (diff)
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TRATS2: dts: exynos4412-m0.dts: Add mcs-touchkey node
Support melfas 2 touchkey device for TRATS2 board Adds also the binding documentation file Signed-off-by: Beomho Seo <beomho.seo@samsung.com>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/input/mcs-touchkey.txt26
1 files changed, 26 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/mcs-touchkey.txt b/Documentation/devicetree/bindings/input/mcs-touchkey.txt
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+++ b/Documentation/devicetree/bindings/input/mcs-touchkey.txt
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+* mcs_touchkey MELFAS MCS5000/5080 controller
+
+Required properties:
+- compatible: must be "mcs5000_touchkey" or "mcs5080_touchkey"
+- reg : I2C address of the chip
+- interrupts: interrupt to which the chop is connected
+- key_maxval: size of keycode table
+- interrupts: interrupt to which the chip is connected
+- code: key code for this device
+
+Example:
+
+ i2c_touch_key: i2c-gpio-0 {
+ /* ... */
+
+ touch_key@20 {
+ compatible = "mcs5080_touchkey";
+ reg = <0x20>;
+ interrupt-patrent = <gpj0>;
+ key_maxval = <2>;
+ linux, code = <0x0000009e
+ 0x000000a9>;
+ };
+
+ /* ... */
+ };