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Documentation: driver-api: pps: Update PPS generator documentation

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PPS documentation has a generalized section for generators. Update the
section so any new generator documentation can be appended.

Signed-off-by: Pandith N <pandith.n@intel.com>
Signed-off-by: Lakshmi Sowjanya D <lakshmi.sowjanya.d@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20231016101953.27308-1-lakshmi.sowjanya.d@intel.com
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Pandith N 2023-10-16 15:49:53 +05:30 committed by Jonathan Corbet
parent 07d87ceaec
commit 55ed837d7c
1 changed files with 11 additions and 5 deletions
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16
Documentation/driver-api/pps.rst
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@ -200,11 +200,17 @@ Generators
Sometimes one needs to be able not only to catch PPS signals but to produce
them also. For example, running a distributed simulation, which requires
computers' clock to be synchronized very tightly. One way to do this is to
invent some complicated hardware solutions but it may be neither necessary
nor affordable. The cheap way is to load a PPS generator on one of the
computers (master) and PPS clients on others (slaves), and use very simple
cables to deliver signals using parallel ports, for example.
computers' clock to be synchronized very tightly.
Parallel port generator
------------------------
One way to do this is to invent some complicated hardware solutions but it
may be neither necessary nor affordable. The cheap way is to load a PPS
generator on one of the computers (master) and PPS clients on others
(slaves), and use very simple cables to deliver signals using parallel
ports, for example.
Parallel port cable pinout::