On 20/07/2023 03:28, Jacky Huang wrote: > From: Jacky Huang <ychuang3@xxxxxxxxxxx> > > Add documentation to describe nuvoton ma35d1 rtc driver. > > Signed-off-by: Jacky Huang <ychuang3@xxxxxxxxxxx> > --- > .../bindings/rtc/nuvoton,ma35d1-rtc.yaml | 45 +++++++++++++++++++ > 1 file changed, 45 insertions(+) > create mode 100644 Documentation/devicetree/bindings/rtc/nuvoton,ma35d1-rtc.yaml > > diff --git a/Documentation/devicetree/bindings/rtc/nuvoton,ma35d1-rtc.yaml b/Documentation/devicetree/bindings/rtc/nuvoton,ma35d1-rtc.yaml > new file mode 100644 > index 000000000000..08c30f3018fb > --- /dev/null > +++ b/Documentation/devicetree/bindings/rtc/nuvoton,ma35d1-rtc.yaml > @@ -0,0 +1,45 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/rtc/nuvoton,ma35d1-rtc.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Nuvoton MA35D1 Read Time Clock > + > +maintainers: > + - Min-Jen Chen <mjchen@xxxxxxxxxxx> > + Missing ref to rtc.yaml. > +properties: > + compatible: > + enum: > + - nuvoton,ma35d1-rtc > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + > +additionalProperties: false And then use unevaluatedProperties: false instead. Best regards, Krzysztof