> >>> I can't understand your meaning. > >>> Do you mean I can't use rtd1xxx ? > >> > >> You can't, indeed. > >> > > The namr rtd1xxx is represent the name of SoCs, for rtd129x, rtd139x, > rtd16xx, ... etc. > > > > Must I use a real chip name, example rtd129x? > > Yes but iff x is not also a wildcard. rtd1290 would fit iff that SoC actually > exists. > > > Or can I use "rtd" only to represent all Socs? > > If you have a fallback value of the "compatible" prop, you can use it... I will use the name "rtd" to instead the "rtd1xxx". Thanks, Stanley