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Diffstat (limited to 'Documentation/devicetree/bindings/input/rpmsg-keys.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/input/rpmsg-keys.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/rpmsg-keys.txt b/Documentation/devicetree/bindings/input/rpmsg-keys.txt new file mode 100644 index 000000000000..d9279802cc9c --- /dev/null +++ b/Documentation/devicetree/bindings/input/rpmsg-keys.txt @@ -0,0 +1,33 @@ +Device-Tree bindings for input/keyboard/rpmsg-keys.c keys driver over +rpmsg. On i.mx7ULP keys are connected on M4 side, so rpmsg-keys driver +needed to get the key status from M4 side by rpmsg. + +Required properties: + - compatible = "fsl,rpmsg-keys"; + +Each button/key looked as the sub node: +Required properties: + - label: the key name + - linux,code: the key value defined in + include/dt-bindings/input/input.h +Optional property: + - rpmsg-key,wakeup: wakeup feature, the keys can wakeup from + suspend if the keys with this property pressed. + +Example nodes: + rpmsg_keys: rpmsg-keys { + compatible = "fsl,rpmsg-keys"; + + volume-up { + label = "Volume Up"; + rpmsg-key,wakeup; + linux,code = <KEY_VOLUMEUP>; + }; + + volume-down { + label = "Volume Down"; + rpmsg-key,wakeup; + linux,code = <KEY_VOLUMEDOWN>; + }; + }; + |