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author | Ezequiel Garcia <ezequiel.garcia@free-electrons.com> | 2014-05-19 00:41:57 +0400 |
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committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-05-19 00:43:18 +0400 |
commit | 90550e6fb19f42cd6184e56006206ca8296d596b (patch) | |
tree | b5adbd39771617c901af6b7d5d1ef5777cbe23fd /Documentation/devicetree/bindings/input | |
parent | d51ddb2bf64433195cd0fc21d894d703c5d5ecf9 (diff) | |
download | linux-90550e6fb19f42cd6184e56006206ca8296d596b.tar.xz |
Input: gpio-keys - move the gpio-keys bindings documentation
This is an input driver and belongs to input not gpio.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
-rw-r--r-- | Documentation/devicetree/bindings/input/gpio-keys.txt | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt new file mode 100644 index 000000000000..5c2c02140a62 --- /dev/null +++ b/Documentation/devicetree/bindings/input/gpio-keys.txt @@ -0,0 +1,36 @@ +Device-Tree bindings for input/gpio_keys.c keyboard driver + +Required properties: + - compatible = "gpio-keys"; + +Optional properties: + - autorepeat: Boolean, Enable auto repeat feature of Linux input + subsystem. + +Each button (key) is represented as a sub-node of "gpio-keys": +Subnode properties: + + - gpios: OF device-tree gpio specification. + - label: Descriptive name of the key. + - linux,code: Keycode to emit. + +Optional subnode-properties: + - linux,input-type: Specify event type this button/key generates. + If not specified defaults to <1> == EV_KEY. + - debounce-interval: Debouncing interval time in milliseconds. + If not specified defaults to 5. + - gpio-key,wakeup: Boolean, button can wake-up the system. + +Example nodes: + + gpio_keys { + compatible = "gpio-keys"; + #address-cells = <1>; + #size-cells = <0>; + autorepeat; + button@21 { + label = "GPIO Key UP"; + linux,code = <103>; + gpios = <&gpio1 0 1>; + }; + ... |