When I use dmesg command, one line shows "PTP clock support registered". Besides, I try to use ethtool to check the PTP setup, but this command does not exist.
For quick access, can Bela support PTP synchronization? How should I implement to enable this function? Thanks

hmmm I remember from looking into this in 2015 that the ethernet interface on it has hardware support for it, but I don't know any details about the Linux support for it on that specific interface. I know that it's used by Linux to update the board's time and date when you connect it to the internet (via ethernet port or wifi or USB host's network sharing) but that doesn't necessarily use the high-resolution accuracy achievable on the ethernet peripheral. What do you need PTP for?

    giuliomoro I would like to use PTP to sync the clock between the Bela board and other sensors.

      4 days later

      giuliomoro Which Linux kernel does the image use?
      I feel that the driver on the stale kernel may not support USB software timestamp. The Jetson board and my desktop can both support usb software timestamp. It will be nice to use a new version of the Linux kernel to build the image.