pmaports/device/linux-samsung-i927/0030-TRATS2-dts-exynos4412-m0.dts-Add-mcs-touchkey-node.patch

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From ecda374fe948e278635b6146320e5a569097b6a6 Mon Sep 17 00:00:00 2001
From: Beomho Seo <beomho.seo@samsung.com>
Date: Mon, 12 Aug 2013 21:51:45 +0900
Subject: [PATCH 30/34] 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>
---
.../bindings/input/mcs-touchkey.txt | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)
create mode 100644 Documentation/devicetree/bindings/input/mcs-touchkey.txt
diff --git a/Documentation/devicetree/bindings/input/mcs-touchkey.txt b/Documentation/devicetree/bindings/input/mcs-touchkey.txt
new file mode 100644
index 000000000000..545454112a43
--- /dev/null
+++ b/Documentation/devicetree/bindings/input/mcs-touchkey.txt
@@ -0,0 +1,26 @@
+* 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>;
+ };
+
+ /* ... */
+ };
--
2.20.1