On Sun, Jul 03, 2016 at 02:43:56PM +0100, Jonathan Cameron wrote:
> On 01/07/16 22:30, Alexandre Belloni wrote:
> > Add documentation for ADC keys
> >
> > Signed-off-by: Alexandre Belloni <alexandre.bell...@free-electrons.com>
> Clean looking binding to me - one comment inline.
>
> Jonathan
> > ---
> > Cc: Rob Herring <robh...@kernel.org>
> > Cc: devicet...@vger.kernel.org
> >
> > .../devicetree/bindings/input/adc-keys.txt | 45
> > ++++++++++++++++++++++
> > 1 file changed, 45 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/input/adc-keys.txt
> >
> > diff --git a/Documentation/devicetree/bindings/input/adc-keys.txt
> > b/Documentation/devicetree/bindings/input/adc-keys.txt
> > new file mode 100644
> > index 000000000000..873476bb4eab
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/input/adc-keys.txt
> > @@ -0,0 +1,45 @@
> > +Allwinner sun4i low res adc attached tablet keys
> What is allwinner specific in here? Looks pretty general purpose to me!
> > +------------------------------------------------
> > +
> > +Required properties:
> > + - compatible: "adc-keys"
> > + - io-channels: Phandle to an ADC channel
> > + - io-channel-names = "buttons";
> > + - voltage-keyup-mvolt: Voltage at which all the keys are considered up.
> > +
> > +Each key is represented as a sub-node of "adc-keys":
> > +
> > +Required subnode-properties:
> > + - label: Descriptive name of the key.
> > + - linux,code: Keycode to emit.
> > + - voltage-mvolt: Voltage adc input when this key is pressed.
voltage-mcvoltface?
"voltage" is redundant and use standard units. How about
{press,up}-threshold-microvolt?
Rob
