On 7/16/2020 2:20 PM, Vladimir Oltean wrote:
> While using the ancillary pin functionality of PTP hardware clocks to
> synchronize multiple DSA switches on a board, a need arised to be able
> to configure the duty cycle of the master of this PPS hierarchy.
>
> Also, the PPS master is not able to emit PPS starting from arbitrary
> absolute times, so a new flag is introduced to support such hardware
> without making guesses.
>
> With these patches, struct ptp_perout_request now basically describes a
> general-purpose square wave.
Nice!
>
> Vladimir Oltean (3):
> ptp: add ability to configure duty cycle for periodic output
> ptp: introduce a phase offset in the periodic output request
> net: mscc: ocelot: add support for PTP waveform configuration
>
> drivers/net/ethernet/mscc/ocelot_ptp.c | 74 +++++++++++++++++---------
> drivers/ptp/ptp_chardev.c | 33 +++++++++---
> include/uapi/linux/ptp_clock.h | 34 ++++++++++--
> 3 files changed, 107 insertions(+), 34 deletions(-)
>