Hi everyone,
On 7/22/23 03:49, Fabio Estevam wrote:
On Fri, Jul 21, 2023 at 12:51 AM Johannes Zink <j.zink@xxxxxxxxxxxxxx> wrote:
The i.MX8MP Reference Manual rev 1 06/2021, section 11.7.2.5 "Timestamp
Support" indicates the PTP timestamp clock expects a typical frequency
of 125MHz.
As this also improves the precision of the measured timestamps: assign
appropriate 125MHz Clock parent. As no one except the timestamping
counter uses this clock, there are no side-effects of this change in
other peripherals.
Signed-off-by: Johannes Zink <j.zink@xxxxxxxxxxxxxx>
Reviewed-by: Fabio Estevam <festevam@xxxxxxxxx>
please scratch this patch, the PTP Timestamping clock cannot be supplied with a
125MHz clock, there is no 125MHz source in the MUX input and I misinterpreted
the clocksummary when testing this patch.
Sorry for the noise,
Johannes
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