[time-nuts] Beaglebone NTP server

[Doug Calvert]

Can you explain what is different in this approach  versus the
traditional gps/pps without needing a custom clocksource?

On Fri, Jun 14, 2013 at 8:13 PM, Gabs Ricalde <gsricalde at gmail.com> wrote:
> As an alternative to the Net4501, the AM335x in the Beaglebone has
> timers that accept an external clock up to 25 MHz (TCLKIN) and can
> timestamp events on an input pin (TIMER4-TIMER7). Both sets of pins are
> available on the headers after an appropriate pinmux configuration.
>
> I'm finishing the clocksource driver for Linux, I'm testing it using the
> 10 MHz and PPS outputs of a LEA-6T. ntpd loopstats show +/- 0.1 us
> offsets, frequency is a flat 0.000 PPM as expected.
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