Documentation: driver-api: pps: Update PPS generator documentation
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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@ -200,11 +200,17 @@ Generators
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Sometimes one needs to be able not only to catch PPS signals but to produce
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them also. For example, running a distributed simulation, which requires
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computers' clock to be synchronized very tightly. One way to do this is to
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invent some complicated hardware solutions but it may be neither necessary
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nor affordable. The cheap way is to load a PPS generator on one of the
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computers (master) and PPS clients on others (slaves), and use very simple
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cables to deliver signals using parallel ports, for example.
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computers' clock to be synchronized very tightly.
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Parallel port generator
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------------------------
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One way to do this is to invent some complicated hardware solutions but it
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may be neither necessary nor affordable. The cheap way is to load a PPS
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generator on one of the computers (master) and PPS clients on others
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(slaves), and use very simple cables to deliver signals using parallel
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ports, for example.
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Parallel port cable pinout::
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