On Wed, Oct 25, 2017 at 09:16:01PM +0800, Chen Zhong wrote:
> This patch adds the device tree binding documentation for the MediaTek
> pmic keys found on PMIC MT6397/MT6323.
>
> Acked-by: Rob Herring <robh@xxxxxxxxxx>
> Signed-off-by: Chen Zhong <chen.zhong@xxxxxxxxxxxx>
Acked-by: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> ---
> .../devicetree/bindings/input/mtk-pmic-keys.txt | 43 ++++++++++++++++++++
> 1 file changed, 43 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..2888d07
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/input/mtk-pmic-keys.txt
> @@ -0,0 +1,43 @@
> +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: See Documentation/devicetree/bindings/input/keys.txt
> +
> +Optional Properties:
> +- wakeup-source: See Documentation/devicetree/bindings/power/wakeup-source.txt
> +- mediatek,long-press-mode: Long press key shutdown setting, 1 for
> + pwrkey only, 2 for pwrkey/homekey together, others for disabled.
> +- power-off-time-sec: See Documentation/devicetree/bindings/input/keys.txt
> +
> +Example:
> +
> + pmic: mt6397 {
> + compatible = "mediatek,mt6397";
> +
> + ...
> +
> + mt6397keys: mt6397keys {
> + compatible = "mediatek,mt6397-keys";
> + mediatek,long-press-mode = <1>;
> + power-off-time-sec = <0>;
> +
> + power {
> + linux,keycodes = <116>;
> + wakeup-source;
> + };
> +
> + home {
> + linux,keycodes = <114>;
> + };
> + };
> +
> + };
> --
> 1.7.9.5
>
--
Dmitry
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