Hello!
Just my 2 cents on this issue. PTP is very often used in embedded systems, where the PTP timestamps will go into some dedicated hardware, for instance an FPGA.I'm curious if its possible to do the PTP hardware offset/adjustment calculation in a module internally to the kernel? That would allow the PPS interface to still be used to sync the system time, and not expose additional interfaces.
I'm currently working on a project where it is not necessary to adjust the Linux system time via PTP (although it would be a nice to have), but we only need the timestamps from the PHY to put them into our FPGA device. So we need some kind of API to access the PTP timestamp registers.
Kind regards, Stephan
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