> + properties: > + reg: > + description: > + "reg indicates the LED group for this LED" > + enum: [0, 1, 2, 3] Having read the code, i don't think the binding needs to say anything about the group. It is implicit. Port LED 0 is in group 0. Port LED 1 is in group 1. So there is nothing here which is outside of the standard LED binding. So as Linus said, i don't think you need any YAML at all, the DSA port binding should be sufficient. Andrew