Hi, Richard: thanks for the help. Zarlink DPLL is widely used in many companies, so hardware itself has no issue. I didn't use custom vendor linux driver, Zarlink provided steps to adjust its DPLL frequency and I implement it by my self. the function to adjust frequency is ok, as I can let the board run in freerun mode and according to the ptp4l dump for the frequency ppb, manually adjust the frequency and from dump result, it takes effect.
if the function to adjust frequency adj is ok, what else shall I pay attention to make servo working? Thanks Alex Richard Cochran <richardcoch...@gmail.com> 于2022年9月3日周六 00:32写道： > On Fri, Sep 02, 2022 at 08:38:08AM +0800, Hamilton Alex wrote: > > Hi, my friends: > > I got an issue for linux ptp servo. my board is using zarlink DPLL, > > I'm not familiar with "zarlink DPLL". I guess this is using a custom > vendor Linux driver? > > If so, your issue is likely a bug in the driver and/or hardware itself. > > Good luck, > Richard >
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