On 11/05/2022 11:12, Krzysztof Kozlowski wrote: > On 10/05/2022 18:50, Nícolas F. R. A. Prado wrote: >>>> Also I had to add a description to the global reg-names, since it >>>> couldn't be neither missing nor empty. >>> >>> It is possible: >>> https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/example-schema.yaml#L91 >>> >>> Keep constraints and list of names in properties. Then in allOf:if:then >>> raise minItems or lower maxItems, depending on the variant. >> >> Hi Krzysztof, >> >> that example only shows setting minItems to override the default value, but the >> issue here is that it's not possible to override minItems/maxItems (after >> they're already set, even if implicitly) with a different value in the if. > > No, this example shows exactly what you need in first step - make one > item on the list optional. > > There are several other examples for the entire picture or different > aproach: > https://elixir.bootlin.com/linux/latest/source/Documentation/devicetree/bindings/example-schema.yaml#L91 Wait, this is the same link... because it exactly matches your case. Best regards, Krzysztof