drivers/rtc/rtc-pcf8563.c: add device tree support

Set the of_match_table for this driver so that devices can be described
in the device tree.

Signed-off-by: Nick Bowler <nbowler@elliptictech.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/rtc/rtc-pcf8563.c b/drivers/rtc/rtc-pcf8563.c
index 24a9d6a..c2fe426 100644 (file)
--- a/drivers/rtc/rtc-pcf8563.c
+++ b/drivers/rtc/rtc-pcf8563.c
@@ -19,6 +19,7 @@
 #include <linux/rtc.h>
 #include <linux/slab.h>
 #include <linux/module.h>
+#include <linux/of.h>
 
 #define DRV_VERSION "0.4.3"
 
@@ -285,10 +286,19 @@ static const struct i2c_device_id pcf8563_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, pcf8563_id);
 
+#ifdef CONFIG_OF
+static const struct of_device_id pcf8563_of_match[] __devinitconst = {
+       { .compatible = "nxp,pcf8563" },
+       {}
+};
+MODULE_DEVICE_TABLE(of, pcf8563_of_match);
+#endif
+
 static struct i2c_driver pcf8563_driver = {
        .driver         = {
                .name   = "rtc-pcf8563",
                .owner  = THIS_MODULE,
+               .of_match_table = of_match_ptr(pcf8563_of_match),
        },
        .probe          = pcf8563_probe,
        .remove         = pcf8563_remove,