On 18/04/2022 10:27, Jacky Huang wrote: > +properties: > + $nodename: > + const: '/' > + compatible: > + items: > + - enum: > + - nuvoton,ma35d1 > + - nuvoton,ma35d1-evb > + - nuvoton,ma35d1-iot > + - nuvoton,ma35d1-som512 > + - nuvoton,ma35d1-som1g This does not match your DTS and does not look reasonable (SoC compatible should not be part of this enum). Check some other board bindings for examples. Best regards, Krzysztof