Re: [PATCH 1/2] Input: Add binding document for a generic ADC keypad

[Andrew Bresticker]

On Sat, Mar 28, 2015 at 9:00 PM, Dmitry Torokhov
<dmitry.torokhov@xxxxxxxxx> wrote:
> On Fri, Mar 27, 2015 at 05:43:17PM -0700, Andrew Bresticker wrote:
>> Add a binding document for a generic ADC keypad.  Buttons on an ADC
>> keypad are connected in a resistor ladder to an ADC.  The binding
>> describes the mapping of ADC channel and voltage ranges to buttons.
>>
>> Signed-off-by: Andrew Bresticker <abrestic@xxxxxxxxxxxx>
>> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
>> Cc: Pawel Moll <pawel.moll@xxxxxxx>
>> Cc: Mark Rutland <mark.rutland@xxxxxxx>
>> Cc: Ian Campbell <ijc+devicetree@xxxxxxxxxxxxxx>
>> Cc: Kumar Gala <galak@xxxxxxxxxxxxxx>
>> ---
>>  .../devicetree/bindings/input/adc-keys.txt         | 43 ++++++++++++++++++++++
>>  1 file changed, 43 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 0000000..c9a57de
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/input/adc-keys.txt
>> @@ -0,0 +1,43 @@
>> +Generic ADC keypad
>> +==================
>> +
>> +Required properties:
>> + - compatible: "adc-keys"
>> + - poll-interval: Polling interval time in ms.
>> + - io-channels: List of IIO channels used by the keypad.
>> +   See ../iio/iio-bindings.txt for details.
>> +
>> +Optional properties:
>> + - autorepeat: Enable auto-repeat.
>> +
>> +Each button on the ADC keypad is represented by a sub-node.
>> +
>> +Required sub-node properties:
>> + - label: Descriptive name for the key.
>> + - linux,code: Keycode to emit.
>> + - channel: IIO channel (index into the 'io-channels' above) to which this
>> +   button is attached.
>> + - min-voltage: Minimum voltage in uV when this key is pressed.
>> + - max-voltage: Maximum voltage in uV when this key is pressed.
>> +
>> +Optional sub-node properties:
>> + - linux,input-type: Event type this key generates.  Defaults to 1 (EV_KEY) if
>> +   not specified.
>
> I'd rather we have it defined explicitly in the binding, i.e. make it a
> required property?

Sure, will do.
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/