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| author | Pandith N <pandith.n@intel.com> | 2023-10-16 13:19:53 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2023-10-26 20:38:03 +0300 |
| commit | 55ed837d7cf11a9c506f83da79d39f9ada597740 (patch) | |
| tree | 5dd12fe4c077dafc293c7726166c198e2b1584cd /Documentation/driver-api | |
| parent | 07d87ceaecdde1835866d6acd0e1c1e08500ec82 (diff) | |
| download | linux-55ed837d7cf11a9c506f83da79d39f9ada597740.tar.xz | |
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
Diffstat (limited to 'Documentation/driver-api')
| -rw-r--r-- | Documentation/driver-api/pps.rst | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/Documentation/driver-api/pps.rst b/Documentation/driver-api/pps.rst index 2d6b99766ee8..78dded03e5d8 100644 --- a/Documentation/driver-api/pps.rst +++ b/Documentation/driver-api/pps.rst @@ -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:: |