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Documentation: bindings: define DT prop to disable PTP TSC sync logic

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define DT prop to disable PTP TSC sync logic

Bug 4044583
Bug 3896607

Change-Id: I51778db4bd4203589c48bf5b3bdb0d49547fec55
Signed-off-by: Sheetal Tigadoli <stigadoli@nvidia.com>
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2877071
Reviewed-by: Sumeet Gupta <sumeetg@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Sheetal Tigadoli
2023-03-26 05:31:36 +00:00
committed by mobile promotions
parent 182768fd7b
commit 0f58bdf322
1 changed files with 4 additions and 1 deletions
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5
Documentation/devicetree/bindings/nvpps/nvpps.txt
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@@ -29,6 +29,8 @@ Optional properties:
The value is a 16bit hexa-decimal value. The minimum value(0x1F) supported
correspond to 1us and max value(0xFFFF) supported correspond to approx 2.1ms.
If unspecified, NvPPS driver uses 0x26C(corresponding to 20us) by default
- 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.
Example:
@@ -57,7 +59,8 @@ nvpps {
interface = "mgbe2_0";
sec_interface = "eqos_0";
ptp_tsc_k_int = /bits/ 8 <0x70>;
ptp_tsc_lock_threshold = /bits/ 16 <0x26C>
ptp_tsc_lock_threshold = /bits/ 16 <0x26C>;
ptp_tsc_sync_dis;
};
Example: GPIO as optional