Re: [Linuxptp-users] ptp4l support for multiple time domains

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

On Wed, Apr 05, 2023 at 07:04:12PM +0000, Nemo Crypto wrote:
> Hi All,
> 
> I have a use case where my SoC needs to be configured as two Time Follower or Slave to 2 different PTP Domains (Domain 0 & Domain 1) through a single interface.
> 
> SoC supports HW timestamping on this interface.
> 
> How to configure the ptp4l to achieve this? Is this supported by linuxptp?

It's supported in the latest development code. It's using virtual
clocks provided by the kernel, each having its own ptp4l instance. You
can create the vclocks and start ptp4l+phc2sys instances manually or
let timemaster handle it. See the man page.

-- 
Miroslav Lichvar