On 04/01/2024 12:42, Jingbao Qiu wrote: ties: false >>>>> + >>>>> +examples: >>>>> + - | >>>>> + #include <dt-bindings/interrupt-controller/irq.h> >>>>> + >>>>> + misc@5025000 { >>>> >>>> >>>> misc can be anything. >>> >>> Actually, there are RTC and (Power On Reset/POR) here. I can't find a suitable >>> word to describe him. Can you give me some advice? >> >> Then maybe just rtc? If there is nothing else, why RTC is separate subnode? >> > > There is also a por submodule used to provide power off and restart functions. > Do you mean to use RTC as the parent node like this. > rtc{ > //something > por{ > } por is empty in your binding, so there is little point in having it as subnode. Best regards, Krzysztof