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| -rw-r--r-- | Documentation/devicetree/bindings/input/omap-keypad.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/omap-keypad.txt b/Documentation/devicetree/bindings/input/omap-keypad.txt new file mode 100644 index 000000000..34ed1c60f --- /dev/null +++ b/Documentation/devicetree/bindings/input/omap-keypad.txt @@ -0,0 +1,28 @@ +* TI's Keypad Controller device tree bindings + +TI's Keypad controller is used to interface a SoC with a matrix-type +keypad device. The keypad controller supports multiple row and column lines. +A key can be placed at each intersection of a unique row and a unique column. +The keypad controller can sense a key-press and key-release and report the +event using a interrupt to the cpu. + +This binding is based on the matrix-keymap binding with the following +changes: + +keypad,num-rows and keypad,num-columns are required. + +Required SoC Specific Properties: +- compatible: should be one of the following + - "ti,omap4-keypad": For controllers compatible with omap4 keypad + controller. + +Optional Properties specific to linux: +- linux,keypad-no-autorepeat: do no enable autorepeat feature. + +Example: + keypad@4ae1c000{ + compatible = "ti,omap4-keypad"; + keypad,num-rows = <2>; + keypad,num-columns = <8>; + linux,keypad-no-autorepeat; + }; |