On 04/25/2012 03:26 AM, Sourav Poddar wrote:
> Update the Documentation with omap4 keypad device tree
> binding information.
> Add device tree support for omap4 keypad driver.
> diff --git a/Documentation/devicetree/bindings/input/omap-keypad.txt b/Documentation/devicetree/bindings/input/omap-keypad.txt
> +Required Board Specific Properties, in addition to those specified by
> +the shared matrix-keyboard bindings:
> +- keypad,num-rows: Number of row lines connected to the keypad
> + controller.
> +
> +- keypad,num-columns: Number of column lines connected to the
> + keypad controller.
I'm not sure if "keypad," is the appropriate prefix here. If the
properties are specific to this one TI/OMAP binding, "ti," might be a
better prefix. However, if they're more generally applicable, maybe
"linux," to match "linux,keymap"?
> +Optional Properties specific to linux:
> +- linux,keypad-no-autorepeat: do no enable autorepeat feature.
It's probably worth considering whether num-rows/columns should be part
of matrix-keyboard.txt, and whether linux,keypad-no-autorepeat should be
part of some core keyboard binding. Some of the properties in
tegra-kbc.txt might be worth generalizing too (debounce/repeat delay,
ghost filter)?
> +Example:
> + keypad@4ae1c000{
> + compatible = "ti,omap4-keypad";
> + keypad,num-rows = <2>;
> + keypad,num-columns = <8>;
> + linux,keypad-no-autorepeat;
> + };
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