clkconf: move clkconf from libgpio to it's own lib

Clock configuration will be needed by other/future subsystems such as i2c.
Extract the functionality from libgpio and put it into it's own library.

Change-Id: I6f6de0b3fb4d305ddfeac74123b78c983d1318dd

distrib/sets/lists/minix/md.evbarm

@@ -92,6 +92,8 @@
 ./usr/include/evbarm/vmparam.h		minix-sys
 ./usr/include/evbarm/wchar_limits.h	minix-sys
 ./usr/include/i386			minix-sys	obsolete
+./usr/lib/libclkconf.a			minix-sys
+./usr/lib/libclkconf_pic.a		minix-sys
 ./usr/lib/libgpio.a			minix-sys
 ./usr/lib/libgpio_pic.a			minix-sys
 ./usr/lib/libpadconf.a			minix-sys

distrib/sets/lists/minix/mi

@@ -625,6 +625,7 @@
 ./usr/include/minix/btrace.h		minix-sys
 ./usr/include/minix/callnr.h		minix-sys
 ./usr/include/minix/chardriver.h	minix-sys
+./usr/include/minix/clkconf.h		minix-sys
 ./usr/include/minix/com.h		minix-sys
 ./usr/include/minix/compiler.h		minix-sys
 ./usr/include/minix/config.h		minix-sys

drivers/gpio/Makefile

@@ -3,7 +3,7 @@ PROG=	gpio
 SRCS=	gpio.c
 
 DPADD+=	${LIBBLOCKDRIVER} ${LIBSYS}
-LDADD+=	-lvtreefs -lsys -lgpio -lpadconf
+LDADD+=	-lvtreefs -lsys -lgpio -lpadconf -lclkconf
 
 #
 # This is a system driver.

include/minix/Makefile

@@ -6,7 +6,7 @@ INCS+=	dirent.h paths.h param.h
 INCS+=	acpi.h audio_fw.h bitmap.h \
 	bdev.h blockdriver.h blockdriver_mt.h \
 	btrace.h \
-	callnr.h chardriver.h com.h compiler.h \
+	callnr.h chardriver.h clkconf.h com.h compiler.h \
 	config.h const.h cpufeature.h crtso.h \
 	debug.h devio.h devman.h dmap.h \
 	driver.h drivers.h drvlib.h ds.h \

lib/Makefile

@@ -54,7 +54,7 @@ SUBDIR += libvassert libhgfs libvboxfs libvirtio
 .endif
 
 .if (${MACHINE_ARCH} == "earm")
-SUBDIR += libgpio libpadconf
+SUBDIR += libclkconf libgpio libpadconf
 .endif
 
 .if (${MKRUMP} != "no")

lib/libclkconf/Makefile

@@ -0,0 +1,10 @@
+# Makefile for libclkconf
+
+CPPFLAGS+= -D_SYSTEM
+
+LIB=	clkconf
+
+SRCS=	\
+	clkconf.c
+
+.include <bsd.lib.mk>

lib/libclkconf/clkconf.c

@@ -3,6 +3,7 @@
 #include <minix/drvlib.h>
 #include <minix/log.h>
 #include <minix/mmio.h>
+#include <minix/clkconf.h>
 
 /* system headers */
 #include <sys/mman.h>
@@ -16,9 +17,6 @@
 #include <errno.h>
 #include <assert.h>
 
-/* local headers */
-#include "clkconf.h"
-
 /* used for logging */
 static struct log log = {
 	.name = "omap_clkconf",

lib/libgpio/Makefile

@@ -5,7 +5,7 @@ CPPFLAGS+= -D_SYSTEM
 LIB=	gpio
 
 SRCS=	\
-	gpio_omap.c  clkconf.c
+	gpio_omap.c
 
 WARNS?=	5
 

lib/libgpio/gpio_omap.c

@@ -4,6 +4,7 @@
 #include <minix/log.h>
 #include <minix/mmio.h>
 #include <minix/gpio.h>
+#include <minix/clkconf.h>
 
 /* system headers */
 #include <sys/mman.h>
@@ -17,8 +18,6 @@
 #include <errno.h>
 #include <assert.h>
 
-#include "clkconf.h"
-
 /* local headers */
 
 /* used for logging */