On 12/10/2023 03:15, AKASHI Takahiro wrote: >>> +additionalProperties: false >>> + >>> +examples: >>> + - | >>> + gpio0: gpio@0 { >> >> No reg, so no unit address. > > My intention was to allow for multiple nodes (instances) of > pinctrl based gpio devices. But I don't care the naming. How can you have unit address without reg? This causes warnings. Best regards, Krzysztof