Index: head/sys/modules/am335x_dmtpps/Makefile
===================================================================
--- head/sys/modules/am335x_dmtpps/Makefile	(revision 286914)
+++ head/sys/modules/am335x_dmtpps/Makefile	(revision 286915)
@@ -1,8 +1,10 @@
 # $FreeBSD$
 
 .PATH: ${.CURDIR}/../../arm/ti/am335x
 
 KMOD=	am335x_dmtpps
 SRCS=	am335x_dmtpps.c
 
+SRCS+= bus_if.h device_if.h ofw_bus_if.h
+
 .include <bsd.kmod.mk>