On 21/06/2024 09:45, Jacobe Zang wrote: >> That's DTS, not binding. I ask about Devicetree binding. > > Ok... I have grep in all dts files and can't find wifi node which is under pcie node has clock. So should I add an example in the yaml file? No, that's example, not binding. Validate your DTS with dtbs_check. Best regards, Krzysztof