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authorAlexander Gordeev <lasaine@lvk.cs.msu.su>2011-01-12 17:00:59 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-13 08:03:21 -0800
commit46b402a0e5e4b4d81b11c32dfb2312bf5828ecb5 (patch)
treef04bdc9a375a0f6c7447de58800dd2cd95be9ca5 /drivers/pps/generators/Kconfig
parenta10203c691eac287664f531b149ddc23056c2f61 (diff)
downloadop-kernel-dev-46b402a0e5e4b4d81b11c32dfb2312bf5828ecb5.zip
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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>
Diffstat (limited to 'drivers/pps/generators/Kconfig')
-rw-r--r--drivers/pps/generators/Kconfig17
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/pps/generators/Kconfig b/drivers/pps/generators/Kconfig
new file mode 100644
index 0000000..5fbd614
--- /dev/null
+++ b/drivers/pps/generators/Kconfig
@@ -0,0 +1,17 @@
+#
+# PPS generators configuration
+#
+
+if PPS
+
+comment "PPS generators support"
+
+config PPS_GENERATOR_PARPORT
+ tristate "Parallel port PPS signal generator"
+ depends on PARPORT != n && GENERIC_TIME
+ help
+ If you say yes here you get support for a 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.
+
+endif
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