On 20/09/2022 19:32, Laurent Pinchart wrote: >>> >>> Explicit bus types in DT indeed makes it easier for drivers, so if a >>> device can support multiple bus types (even if not implemented yet in >>> the corresponding drivers), the property should be there. >> >> Okay, I will make it required. >> >>>> Why do you have hsync-active and vsync-active if both are always zero? Can >>>> the hardware not support other configuration? >> >> Sure the device supports toggling the logic but it is not implemented. >> So the bindings needs to enforce it to 0 right now. As soon as it is >> implemented & tested, we can say that both is supported :) > > Bindings are not supposed to be limited by the existing driver > implementation, so you can already allow both polarities, and just > reject the unsupported options in the driver at probe time. Future > updates to the driver won't require a binding change. > +1 Best regards, Krzysztof
