Hi,
Richard Cochran <richardcoch...@gmail.com> writes: > On Tue, Jul 16, 2019 at 10:20:33AM +0300, Felipe Balbi wrote: >> TGPIO is a new IP which allows for time synchronization between systems >> without any other means of synchronization such as PTP or NTP. The >> driver is implemented as part of the PTP framework since its features >> covered most of what this controller can do. > > Can you provide some background on this new HW? Is the interface > copper wires between chips? Or is it perhaps coax between hosts? It's just a pin, like a GPIO. So it would be a PCB trace, flat flex, copper wire... Anything, really. I think most of the usecases will involve devices somehow on the same PCB, so a trace or flat flex would be more common. Perhaps Chris has a better idea in mind? :-) -- balbi
