On Tue, Jul 23, 2013 at 5:18 PM, Simon Guinot <simon.guinot@xxxxxxxxxxxx> wrote: > (...) I am > thinking about moving the GPIO extension bus support into a separate > driver. The problem is that I can't find a proper location for a such > driver. AFAIK, it doesn't fit with anything existing supported by Linux. > Maybe I should consider drivers/bus ? Or even drivers/misc ? This is a question to Greg, the device core maintainer. AFAICT they go into drivers/base/foo-bus.c In this case I would first consider using MFD though, please make a case for why this is not simply a multi function device with a few cells (== platform devices). > Also from a DT point, it not clear to me how the resulting bus and LEDs > driver are going to work together. Buses are nodes in the device tree and subdevices are subnodes. Yours, Linus Walleij -- To unsubscribe from this list: send the line "unsubscribe linux-leds" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html