On Wed, Aug 31, 2022 at 3:34 PM Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx> wrote: > If you have specific+fallback compatible (e.g. diodes,pi4ioe5v6534q, > nxp,pcal6534), you can always introduce changes in the driver because it > will match to the specific one (diodes). You could even introduce > incompatible changes, if you insist, and the effect would be the same as > adding now two compatibles in the driver. I know, what I mean is that this binding should probably have fallback compatibles for the TI, Exar, Onnn and Maxim compatibles listed in the bindings, I bet they are all compatible with some nxp,pcaNNNN. We could fix that, perhaps. Yours, Linus Walleij