Re: [Linuxptp-users] Linuxptp - Supported Hardware

[Miroslav L. <mli...@re...>]

On Wed, Sep 27, 2023 at 04:10:53PM +0100, Fernando Gomes wrote:
> Hi Wolfgang, thanks! 10ns is excellent! I saw many references to DP83640
> for PTP but we need to support Gb ethernet, I've found some Vitesse PHYs
> (VSC8572, VSC8574,  VSC8582, VSC8584) that should also work for 1Gb
> ethernet, but I'm trying to find other alternatives, mainly because these
> PHYs have a limited temperature range (but similar to DP83640, 0 to 100C or
> -40 to 85C) and are a bit expensive. If you know any similar solutions for
> Gb ethernet please let me know.

If MAC timestamping is sufficient, I think the Intel I210/211 would be
a good choice. It's well supported, timestamping is stable to few tens
of nanoseconds and asymmetries are already compensated in the driver.
It has PPS input/output, so you can verify the accuracy.

-- 
Miroslav Lichvar