On 30/07/2024 09:44, Hui-Ping Chen wrote: > >>> + >>> + nuvoton,sys: >>> + $ref: /schemas/types.yaml#/definitions/phandle >>> + description: >>> + phandle of the system-management node. >> Describe what is it for. > > Because this driver has some status bits located in the sys, it is > necessary to reference the sys link. Describe it in the binding - what usb2 phy needs to do in sysmgmt node. Best regards, Krzysztof