On 27/04/2022 22:30, Stephen Boyd wrote: > If the device is a detachable, this device won't have a matrix keyboard > but it may have some button switches, e.g. volume buttons and power > buttons. Let's add a more specific compatible for this type of device > that indicates to the OS that there are only switches and no matrix > keyboard present. > > Cc: Krzysztof Kozlowski <krzk@xxxxxxxxxx> > Cc: Rob Herring <robh+dt@xxxxxxxxxx> > Cc: <devicetree@xxxxxxxxxxxxxxx> > Cc: Benson Leung <bleung@xxxxxxxxxxxx> > Cc: Guenter Roeck <groeck@xxxxxxxxxxxx> > Cc: Douglas Anderson <dianders@xxxxxxxxxxxx> > Cc: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> > Cc: "Joseph S. Barrera III" <joebar@xxxxxxxxxxxx> > Signed-off-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > --- > .../bindings/input/google,cros-ec-keyb.yaml | 12 +++++++++--- > 1 file changed, 9 insertions(+), 3 deletions(-) > > diff --git a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml > index e8f137abb03c..edc1194d558d 100644 > --- a/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml > +++ b/Documentation/devicetree/bindings/input/google,cros-ec-keyb.yaml > @@ -15,14 +15,20 @@ description: | > Google's ChromeOS EC Keyboard is a simple matrix keyboard > implemented on a separate EC (Embedded Controller) device. It provides > a message for reading key scans from the EC. These are then converted > - into keycodes for processing by the kernel. > + into keycodes for processing by the kernel. This device also supports > + switches/buttons like power and volume buttons. > > allOf: > - $ref: "/schemas/input/matrix-keymap.yaml#" > > properties: > compatible: > - const: google,cros-ec-keyb > + oneOf: > + - items: > + - const: google,cros-ec-keyb-switches > + - const: google,cros-ec-keyb > + - items: > + - const: google,cros-ec-keyb > In such case matrix-keymap properties are not valid, right? The matrix-keymap should not be referenced, IOW, you need to move allOf below "required" and add: if:not:...then: $ref: "/schemas/input/matrix-keymap.yaml Best regards, Krzysztof