On 21/12/2023 12:38, Dumitru Ceclan wrote: > > +allOf: > + - if: > + properties: > + compatible: > + contains: > + const: adi,ltc6373 > + > + then: > + properties: > + ctrl-gpios: > + minItems: 3 > + maxItems: 3 Test your DTS first. This leads to errors. :( You miss minItems top-level and here else:. Best regards, Krzysztof