On Fri, Aug 25, 2017 at 02:32:30PM +0800, Chen Zhong wrote:
> This patch adds the device tree binding documentation for the MediaTek
> pmic keys found on PMIC MT6397/MT6323.
>
> Signed-off-by: Chen Zhong <chen.zhong@xxxxxxxxxxxx>
> ---
> .../devicetree/bindings/input/mtk-pmic-keys.txt | 38 ++++++++++++++++++++
> 1 file changed, 38 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
>
> diff --git a/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
> new file mode 100644
> index 0000000..100ec44
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
> @@ -0,0 +1,38 @@
> +MediaTek MT6397/MT6323 PMIC Keys Device Driver
> +
> +There are two key functions provided by MT6397/MT6323 PMIC, pwrkey
> +and homekey. The key functions are defined as the subnode of the function
> +node provided by MT6397/MT6323 PMIC that is being defined as one kind
> +of Muti-Function Device (MFD)
> +
> +For MT6397/MT6323 MFD bindings see:
> +Documentation/devicetree/bindings/mfd/mt6397.txt
> +
> +Required properties:
> +- compatible: "mediatek,mt6397-keys" or "mediatek,mt6323-keys"
> +- linux,keycodes: Specifies the numeric keycode values to
> + be used for reporting keys presses. The array can
> + contain up to 2 entries.
> +
> +Optional Properties:
> +- wakeup-source: each key can be used as a wakeup source.
wakeup-source is defined as a boolean.
> +- mediatek,long-press-mode: Long press key shutdown setting, 1 for
> + pwrkey only, 2 for pwrkey/homekey together, others for disabled.
> +- debounce-interval: Long press key shutdown debouncing interval time
> + in seconds. 0/1/2/3 for 8/11/14/5 seconds. If not specified defaults to 0.
> +
> +Example:
> +
> + pmic: mt6397 {
> + compatible = "mediatek,mt6397";
> +
> + ...
> +
> + mt6397keys: mt6397keys {
> + compatible = "mediatek,mt6397-keys";
> + linux,keycodes = <KEY_POWER>, <KEY_VOLUMEDOWN>;
> + wakeup-source = <1>, <0>;
> + mediatek,long-press-mode = <1>;
> + debounce-interval = <0>;
> + };
> + };
> --
> 1.7.9.5
>
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