Hello Krzysztof, On 12/27/22 08:44, Krzysztof Kozlowski wrote: [...] >> +required: >> + - compatible >> + - vcc-supply >> + - iovcc-supply >> + - port > > Does not look like you tested the bindings. Please run `make > dt_binding_check` (see > Documentation/devicetree/bindings/writing-schema.rst for instructions). > Indeed. I did test in v1 but forgot to do it after addressing your comments for v2. I have fixed the example snippet now and done it: $ make dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/display/panel/himax,hx8394.yaml LINT Documentation/devicetree/bindings CHKDT Documentation/devicetree/bindings/processed-schema.json SCHEMA Documentation/devicetree/bindings/processed-schema.json DTEX Documentation/devicetree/bindings/display/panel/himax,hx8394.example.dts DTC_CHK Documentation/devicetree/bindings/display/panel/himax,hx8394.example.dtb -- Best regards, Javier Martinez Canillas Core Platforms Red Hat