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devicetree:bindings:nvpps: Add ptp_tsc_sync_trig_interval param to doc.

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Add ptp_tsc_sync_trig_interval param to nvpps doc.
This is used to define the sync trigger interval

Bug 5042311
Bug 4899241

Signed-off-by: Sheetal Tigadoli <stigadoli@nvidia.com>
Change-Id: I881d4a57af857345adfc3e854ea06bb00e3d3a6f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3294330
(cherry picked from commit 9c14041a4f394a203f0b8f4a8afdf9053011c14a)
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/3293843
Reviewed-by: Amlan Kundu <akundu@nvidia.com>
GVS: buildbot_gerritrpt <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Sheetal Tigadoli
2025-01-30 17:57:45 +00:00
committed by Jon Hunter
parent ef2e125868
commit 2318f8689a
1 changed files with 6 additions and 0 deletions
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6
Documentation/devicetree/bindings/nvpps/nvpps.txt
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@@ -39,6 +39,12 @@ Optional properties:
Max value(16777215) correspond to approx 16.77ms
- ptp_tsc_sync_dis: boolean flag to indicate if nvpps should disable PTP TSC sync logic.
The default behaviour is to keep PTP TSC sync logic enabled.
- ptp_tsc_sync_trig_interval: Defines interval(in terms of PPS edge count) at which PTP-TSC sync
alignment should be triggered eg: if value 3 is provided, then an attempt is
made to sync TSC with PTP(if not synchronized) on every 3rd PPS edge.
Supported min & max values are 1 & 8 respectively and by default, value
of 1 is used to trigger TSC sync on every PPS edge.
- reg: specifies start address and registers count details of TSC module. It is only applicable for Orin.
- nvpps-gpios: specifies GPIO number for PPS input signal.
- timestamps: specifies timestamp for the GPIO provided by HTE.