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| author | Alexandre Pereira da Silva <aletes.xgr@gmail.com> | 2012-07-31 22:08:45 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2012-08-21 22:29:50 -0700 |
| commit | a2f25245269d754a9fd687a15db975271a58c5e0 (patch) | |
| tree | 06f8849b00f16f657334309155a460ad53c235fd /Documentation/devicetree/bindings/input | |
| parent | 2976f247989cbff1019fa3740938b0b086de5659 (diff) | |
Input: gpio_keys_polled - convert to dt
Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
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-polled.txt | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys-polled.txt b/Documentation/devicetree/bindings/input/gpio-keys-polled.txt new file mode 100644 index 00000000000..313abefa37c --- /dev/null +++ b/Documentation/devicetree/bindings/input/gpio-keys-polled.txt @@ -0,0 +1,38 @@ +Device-Tree bindings for input/gpio_keys_polled.c keyboard driver + +Required properties: + - compatible = "gpio-keys-polled"; + - poll-interval: Poll interval time in milliseconds + +Optional properties: + - autorepeat: Boolean, Enable auto repeat feature of Linux input + subsystem. + +Each button (key) is represented as a sub-node of "gpio-keys-polled": +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_polled { + compatible = "gpio-keys-polled"; + #address-cells = <1>; + #size-cells = <0>; + poll-interval = <100>; + autorepeat; + button@21 { + label = "GPIO Key UP"; + linux,code = <103>; + gpios = <&gpio1 0 1>; + }; + ... |