On 21/12/2022 08:02, Jianhua Lu wrote: > Add device tree bindings for the Kinetic KTZ8866 backlight driver. 1. Your patches are not properly threaded which makes it difficult to review and handle them. Resend with proper threads. 2. Subject: drop second, redundant "binding for". > > Signed-off-by: Jianhua Lu <lujianhua000@xxxxxxxxx> > --- > .../leds/backlight/kinetic,ktz8866.yaml | 37 +++++++++++++++++++ > 1 file changed, 37 insertions(+) > create mode 100644 Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml > > diff --git a/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml > new file mode 100644 > index 000000000000..7286c3fc7f5d > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/backlight/kinetic,ktz8866.yaml > @@ -0,0 +1,37 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/leds/backlight/kinetic,ktz8866.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Kinetic Technologies KTZ8866 backlight > + > +maintainers: > + - Jianhua Lu <lujianhua000@xxxxxxxxx> > + > +description: | > + The Kinetic Technologies KTZ8866 is a high efficiency 6-sinks led backlight > + with dual lcd bias power. > + https://www.kinet-ic.com/ktz8866/ > + > +allOf: > + - $ref: common.yaml# > + > +properties: > + compatible: > + items: > + const: kinetic,ktz8866 Does not look like you tested the bindings. Please run `make dt_binding_check` (see Documentation/devicetree/bindings/writing-schema.rst for instructions). > + > +required: > + - compatible > + > +additionalProperties: false This should be rather unevaluatedProperties: false, otherwise you do not allow any other properties, except compatible. Was this the intention? Best regards, Krzysztof