Re: [Linuxptp-users] AM571x linuxptp support

[Dale S. <dal...@gm...>]

Sent from my iPhone

> On Nov 19, 2016, at 2:23 AM, Richard Cochran <ric...@gm...> wrote:



> The frequency adjustment logic on the am335x is broken.  The driver
> implements frequency adjustment in SW.  So the HW functions are
> useless.

Interesting.  Do you think it's possible to rewrite the driver to use whatever HW support is available?  Or is the HW so broken that they had to do it in SW?


>  Even if the HW frequency worked, still the resolution of the
> capture/compare logic is so coarse as to be 

Yeah, if you can't wiggle an I/o pin precisely based of the 1588 clock, what's the point of the clock?

-Dale