On Thu, 2017-08-31 at 14:52 -0500, Rob Herring wrote:
> 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.
Hi Rob,
Could I modify it as this?
mediatek,wakeup-keys = <1>, <0>;
wakeup-source;
Thanks.
>
> > +- 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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