pps: add parallel port PPS signal generator
authorAlexander Gordeev <lasaine@lvk.cs.msu.su>
Thu, 13 Jan 2011 01:00:59 +0000 (17:00 -0800)
committerLinus Torvalds <torvalds@linux-foundation.org>
Thu, 13 Jan 2011 16:03:21 +0000 (08:03 -0800)
commit46b402a0e5e4b4d81b11c32dfb2312bf5828ecb5
treef04bdc9a375a0f6c7447de58800dd2cd95be9ca5
parenta10203c691eac287664f531b149ddc23056c2f61
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.

[akpm@linux-foundation.org: fix build]
Signed-off-by: Alexander Gordeev <lasaine@lvk.cs.msu.su>
Acked-by: Rodolfo Giometti <giometti@linux.it>
Cc: john stultz <johnstul@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Documentation/pps/pps.txt
drivers/pps/Kconfig
drivers/pps/Makefile
drivers/pps/generators/Kconfig [new file with mode: 0644]
drivers/pps/generators/Makefile [new file with mode: 0644]
drivers/pps/generators/pps_gen_parport.c [new file with mode: 0644]