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| author | Beomho Seo <beomho.seo@samsung.com> | 2013-08-12 21:51:45 +0900 |
|---|---|---|
| committer | Chanho Park <chanho61.park@samsung.com> | 2014-11-18 11:43:58 +0900 |
| commit | 2a63a8442edbe33d10889811cab219462f0b18fa (patch) | |
| tree | 6933fe83993e528052c60eadc69869511f43c1c9 | |
| parent | 30d6a30483c623b821bd0e1b69b8a77b3cfd3083 (diff) | |
| download | linux-3.10-2a63a8442edbe33d10889811cab219462f0b18fa.tar.gz linux-3.10-2a63a8442edbe33d10889811cab219462f0b18fa.tar.bz2 linux-3.10-2a63a8442edbe33d10889811cab219462f0b18fa.zip | |
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>
| -rw-r--r-- | Documentation/devicetree/bindings/input/mcs-touchkey.txt | 26 | ||||
| -rw-r--r-- | arch/arm/boot/dts/exynos4412-m0.dts | 19 |
2 files changed, 45 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/mcs-touchkey.txt b/Documentation/devicetree/bindings/input/mcs-touchkey.txt new file mode 100644 index 00000000000..545454112a4 --- /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>; + }; + + /* ... */ + }; diff --git a/arch/arm/boot/dts/exynos4412-m0.dts b/arch/arm/boot/dts/exynos4412-m0.dts index 3a43790ad1b..fbefee62c68 100644 --- a/arch/arm/boot/dts/exynos4412-m0.dts +++ b/arch/arm/boot/dts/exynos4412-m0.dts @@ -71,6 +71,25 @@ }; }; + i2c_touch_key: i2c-gpio-3 { + compatible = "i2c-gpio"; + gpios = <&gpl0 2 0>, <&gpl0 1 0>; + i2c-gpio,delay-us = <2>; + #address-cells = <1>; + #size-cells = <0>; + status = "okay"; + + touch_key@20 { + compatible = "mcs5080_touchkey"; + reg = <0x20>; + interrupt-parent = <&gpj0>; + interrupts = <3 0>; + key_maxval = <2>; + linux,code = <0x0000009e /* KEY_BACK */ + 0x000000a9>; /* KEY_MENU */ + }; + }; + camera { status = "okay"; |