On 20/05/2022 10:23, Herve Codina wrote: > The yaml has the following structure and so has 2 AllOf: > ... > allOf: > - $ref: /schemas/pci/pci-bus.yaml# > > properties: > compatible: > ... > allOf: > - if: (...) > > Is having a 'allOf' for schemas inclusion and a 'allOf' for conditionnal > parts allowed ? Only one allOf for all of such (ref + if), located before additionalProperties: https://elixir.bootlin.com/linux/v5.18-rc7/source/Documentation/devicetree/bindings/example-schema.yaml#L211 Best regards, Krzysztof