> > Am I missing some w2sg004 specific bits here ? > > There is particular behaviour that the device is both turned on and turned > off by toggling a GPIO, and the only way to detect which state it is in is > to watch the RX uart line (by reconfiguring it as a GPIO). Ok so it is somewhat different to things like the Broadcom and the more usual 'wait for idle, drop power' setup. Alan -- 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