Messages in this thread | | | From | Felipe Balbi <> | Subject | Re: [RFC PATCH 0/5] PTP: add support for Intel's TGPIO controller | Date | Wed, 17 Jul 2019 09:52:55 +0300 |
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Hi,
Richard Cochran <richardcochran@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
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