Hi Camel, On Tue, Oct 25, 2022 at 03:52:40PM +0200, Camel Guo wrote: > +additionalProperties: true I don't think the switch schema should have additionalProperties: true. Only shared schemas should. WHat should be here is "unevaluatedProperties: false". > + port@5 { > + reg = <5>; > + label = "cpu"; Please drop label = "cpu" for the CPU port, it is not needed/not parsed. > + ethernet = <ð0>; > + phy-mode = "rgmii-id"; > + > + fixed-link { > + speed = <1000>; > + full-duplex; > + pause; > + }; > + }; > + };