pps: add parallel port PPS signal generator
authorAlexander Gordeev <lasaine@lvk.cs.msu.su>
Thu, 13 Jan 2011 01:01:00 +0000 (17:01 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 13 Jan 2011 16:03:21 +0000 (08:03 -0800)
commit563558b2c7350371551bf08348ac61be62200505
treee7f767bf68efd16a8784c8875d885ba6ea9ecf6d
parent46b402a0e5e4b4d81b11c32dfb2312bf5828ecb5
pps: add parallel port PPS signal generator

Add PPS signal generator which utilizes STROBE pin of a parallel port to
send PPS signals.  It uses parport abstraction layer and hrtimers to
precisely control the signal.

Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Cc: Rodolfo Giometti <giometti@linux.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/pps/generators/Kconfig
drivers/pps/generators/pps_gen_parport.c