On 04/08/2022 20:49, Shenwei Wang wrote: > + > +properties: > + compatible: > + enum: > + - fsl,imx8-scu-gpio > + > + "#gpio-cells": > + const: 2 > + > + gpio-controller: true > + > +required: > + - compatible > + - "#gpio-cells" > + - gpio-controller > + > +additionalProperties: false > + > +examples: > + - | > + gpio@scu { Does not look like you tested the bindings. Please run `make dt_binding_check` (see Documentation/devicetree/bindings/writing-schema.rst for instructions). Best regards, Krzysztof