Hi Nikita, On Mittwoch, 27. Oktober 2021 20:13:49 CEST Nikita Travkin wrote: > In some configrations the touch controller can support the touch-keys. > Doucument the linux,keycodes property that enables those keys and > specifies the keycodes that should be used to report the key events. > > Signed-off-by: Nikita Travkin <nikita@xxxxxxx> > --- > .../bindings/input/touchscreen/zinitix,bt400.yaml | 8 ++++++++ > 1 file changed, 8 insertions(+) > > diff --git > a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml > b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml > index b4e5ba7c0b49..40b243c07fd4 100644 > --- a/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml > +++ > b/Documentation/devicetree/bindings/input/touchscreen/zinitix,bt400.yaml @@ > -79,6 +79,14 @@ properties: > $ref: /schemas/types.yaml#/definitions/uint32 > enum: [1, 2] > > + linux,keycodes: > + description: | > + This property specifies an array of keycodes assigned to the > + touch-keys that can be present in some touchscreen configurations. > + $ref: /schemas/input/input.yaml#/properties/linux,keycodes > + minItems: 1 I think this would suggest all devices using the driver must have at least keycode declared which doesn't seem to be the desired behavior? Regards, Luca > + maxItems: 8 > + > touchscreen-size-x: true > touchscreen-size-y: true > touchscreen-fuzz-x: true