Re: PPS functionality for Intel Timed I/O

[Rodolfo Giometti]

On 30/01/23 15:11, N, Pandith wrote:
> Here is a presentation link for Timed I/O device
> https://lpc.events/event/16/contributions/1387/attachments/1051/2010/Timed_IO_LPC.pdf

Thanks. I'll take a look at it.

> Intel Timed I/O PIN has both generator functionality and input capability.
> Wanted to ask if it’s better to have two separate drivers, one under client
> for input and other as generator driver for PPS output.
> OR
> Have a single client driver and user can choose the functionality (either
> PPS output or as PPS source to capture pulses with timestamps).
Within kernel sources PPS clients and PPS generators are placed into different 
directories, so I suppose is better to deploy two different pieces of code.

However pay attention to the fact that a PPS generator should be referred to 
system's main clock and not to peripherals' clock.

Ciao,

Rodolfo

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