On Sunday 07 December 2014 18:38:32 Ray Jui wrote: > +Required properties: > + > +- compatible: > + Currently supported Cygnus GPIO controllers include: > + "brcm,cygnus-ccm-gpio": ChipcommonG GPIO controller > + "brcm,cygnus-asiu-gpio": ASIU GPIO controller > + "brcm,cygnus-crmu-gpio": CRMU GPIO controller How different are these? If they are almost the same, would it be better to use the same compatible string for all of them and describe the differences in extra properties? If they are rather different, maybe you should have a separate binding and driver for each? Arnd -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html