dt-bindings: pps: pps-gpio PPS ECHO implementation
This patch implements the device tree binding changes required for the PPS ECHO functionality for pps-gpio, that sysfs claims is available already. It adds two DT properties for configuring the PPS ECHO functionality. This patch is provided separated from the rest of the patch per Documentation/devicetree/bindings/submitting-patches.txt. This patch was originally written by Lukas Senger as part of a masters thesis project and modified for inclusion into the linux kernel by Tom Burkart. Link: http://lkml.kernel.org/r/20190324043305.6627-3-tom@aussec.com Signed-off-by:Tom Burkart <tom@aussec.com> Signed-off-by:
Lukas Senger <lukas@fridolin.com> Acked-by:
Rodolfo Giometti <giometti@enneenne.com> Reviewed-by:
Rob Herring <robh@kernel.org> Cc: Philipp Zabel <philipp.zabel@gmail.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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4461d651
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