Add a PPS driver that takes the timing pulse from a gpio pin. Currently

supports only ofw/fdt systems.  Some day, hinted attachment for non-fdt
systems should be possible too.

2 files changed, 41 insertions, 1 deletions

diff --git a/sys/modules/gpio/Makefile b/sys/modules/gpio/Makefile
index 648c33aba58f..666a842c8acc 100644
--- a/sys/modules/gpio/Makefile
+++ b/sys/modules/gpio/Makefile
@@ -25,6 +25,6 @@
 # SUCH DAMAGE.
 #
 
-SUBDIR = gpiobus gpioiic gpioled
+SUBDIR = gpiobus gpioiic gpioled gpiopps
 
 .include <bsd.subdir.mk>
diff --git a/sys/modules/gpio/gpiopps/Makefile b/sys/modules/gpio/gpiopps/Makefile
new file mode 100644
index 000000000000..de9294d2592f
--- /dev/null
+++ b/sys/modules/gpio/gpiopps/Makefile
@@ -0,0 +1,40 @@
+#
+# Copyright (c) 2016 Ian Lepore <ian@FreeBSD.org>
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+#    notice, this list of conditions and the following disclaimer,
+#    without modification.
+# 2. Redistributions in binary form must reproduce at minimum a disclaimer
+#    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
+#    redistribution must be conditioned upon including a substantially
+#    similar Disclaimer requirement for further binary redistribution.
+#
+# NO WARRANTY
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
+# AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+# THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
+# OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
+# IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
+# THE POSSIBILITY OF SUCH DAMAGES.
+#
+# $FreeBSD$
+#
+
+.PATH:	${.CURDIR}/../../../dev/gpio/
+
+KMOD=	gpiopps
+SRCS=	gpiopps.c
+SRCS+=	device_if.h bus_if.h gpio_if.h gpiobus_if.h opt_platform.h
+
+CFLAGS+=  -I. -I${.CURDIR}/../../../dev/gpio/
+
+.include <bsd.kmod.mk>