Tom Burkart 4c69add45f pps: pps-gpio PPS ECHO implementation ... This patch implements the PPS ECHO functionality for pps-gpio, that sysfs claims is available already. Configuration is done via device tree bindings. No changes are made to userspace interfaces. 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/20190324043305.6627-4-tom@aussec.com Signed-off-by: Tom Burkart <tom@aussec.com> Acked-by: Rodolfo Giometti <giometti@enneenne.com> Signed-off-by: Lukas Senger <lukas@fridolin.com> Cc: Philipp Zabel <philipp.zabel@gmail.com> Cc: Rob Herring <robh@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2019-05-14 19:52:51 -07:00
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Kconfig	drivers/pps: use surrounding "if PPS" to remove numerous dependency checks	2017-09-08 18:26:51 -07:00
Makefile	pps: new client driver using GPIO	2011-11-02 16:07:02 -07:00
pps_parport.c	pps: using ERR_PTR instead of NULL while pps_register_source fails	2018-11-27 10:05:36 +01:00
pps-gpio.c	pps: pps-gpio PPS ECHO implementation	2019-05-14 19:52:51 -07:00
pps-ktimer.c	pps: using ERR_PTR instead of NULL while pps_register_source fails	2018-11-27 10:05:36 +01:00
pps-ldisc.c	pps: using ERR_PTR instead of NULL while pps_register_source fails	2018-11-27 10:05:36 +01:00