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| author | Daniel Hung-yu Wu <hywu@google.com> | 2016-05-18 14:55:12 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2016-05-18 15:08:19 -0700 |
| commit | b06d43f7a3db3ea4d62b3e0a299855c2a29ea18d (patch) | |
| tree | 1bbc3d310dfe4c87785b7554820ddcaebb8f76b3 /Documentation/devicetree | |
| parent | db36ae8516ac70dd3f889f2448b6191f06f15f20 (diff) | |
| download | op-kernel-dev-b06d43f7a3db3ea4d62b3e0a299855c2a29ea18d.zip op-kernel-dev-b06d43f7a3db3ea4d62b3e0a299855c2a29ea18d.tar.gz | |
Input: add Atmel Captouch Button driver
Add I2C driver for Atmel Capacitive Touch Button device.
Signed-off-by: Hung-yu Wu <hywu@google.com>
Signed-off-by: Grant Grundler <grundler@chromium.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree')
| -rw-r--r-- | Documentation/devicetree/bindings/input/atmel,captouch.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/atmel,captouch.txt b/Documentation/devicetree/bindings/input/atmel,captouch.txt new file mode 100644 index 0000000..fe9ee5c --- /dev/null +++ b/Documentation/devicetree/bindings/input/atmel,captouch.txt @@ -0,0 +1,36 @@ +Device tree bindings for Atmel capacitive touch device, typically +an Atmel touch sensor connected to AtmegaXX MCU running firmware +based on Qtouch library. + +The node for this device must be a child of a I2C controller node, as the +device communicates via I2C. + +Required properties: + + compatible: Must be "atmel,captouch". + reg: The I2C slave address of the device. + interrupts: Property describing the interrupt line the device + is connected to. The device only has one interrupt + source. + linux,keycodes: Specifies an array of numeric keycode values to + be used for reporting button presses. The array can + contain up to 8 entries. + +Optional properties: + + autorepeat: Enables the Linux input system's autorepeat + feature on the input device. + +Example: + + atmel-captouch@51 { + compatible = "atmel,captouch"; + reg = <0x51>; + interrupt-parent = <&tlmm>; + interrupts = <67 IRQ_TYPE_EDGE_FALLING>; + linux,keycodes = <BTN_0>, <BTN_1>, + <BTN_2>, <BTN_3>, + <BTN_4>, <BTN_5>, + <BTN_6>, <BTN_7>; + autorepeat; + }; |
