** Also affects: linux-intel-5.13 (Ubuntu)
Importance: Undecided
Status: New
** Also affects: linux-intel (Ubuntu Focal)
Importance: Undecided
Status: New
** Also affects: linux-intel-5.13 (Ubuntu Focal)
Importance: Undecided
Status: New
** Changed in: linux-intel-5.13 (Ubuntu Focal)
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1929890
Title:
[EHL][TGL] PMC Time-aware GPIO
Status in intel:
Fix Committed
Status in linux-intel package in Ubuntu:
Fix Committed
Status in linux-intel-5.13 package in Ubuntu:
New
Status in linux-intel source package in Focal:
New
Status in linux-intel-5.13 source package in Focal:
Fix Committed
Bug description:
Description
GPIO controller on CNL PCH has a new feature which allows for timed trigger
of GPIO events.
We should consider at least following aspects and if needed we can create
subtasks:
Translation of ART->System Time on input
Any output GPIO
Cross-timestamp and/or edge counting of input GPIOs supporting high frequency
input
Similar feature to input, counting output edges
Time Aware GPIO Frequency Discipline - GPIO Frequency Adjustment
Time Aware GPIO Output - Fire on Trigger
Time Aware GPIO Input - Stamp on Edge Detection
Hardware: Tiger Lake & Elkhart Lake
Target Release: 21.04
Target Kernel: TBD
External links:
https://github.com/intel/linux-intel-quilt/tree/mainline-tracking-v5.11-yocto-210223T083754Z
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