mfd: da9063: Add device tree support

Add device tree support for DA9063 regulators; Real-Time Clock
and Watchdog.

Signed-off-by: Steve Twiss <stwiss.opensource@diasemi.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
index 21fd8d9..6f3a7c0 100644
--- a/drivers/mfd/da9063-i2c.c
+++ b/drivers/mfd/da9063-i2c.c
@@ -25,6 +25,9 @@
 #include <linux/mfd/da9063/pdata.h>
 #include <linux/mfd/da9063/registers.h>
 
+#include <linux/of.h>
+#include <linux/regulator/of_regulator.h>
+
 static const struct regmap_range da9063_ad_readable_ranges[] = {
 	{
 		.range_min = DA9063_REG_PAGE_CON,
@@ -203,6 +206,11 @@
 	.cache_type = REGCACHE_RBTREE,
 };
 
+static const struct of_device_id da9063_dt_ids[] = {
+	{ .compatible = "dlg,da9063", },
+	{ }
+};
+MODULE_DEVICE_TABLE(of, da9063_dt_ids);
 static int da9063_i2c_probe(struct i2c_client *i2c,
 	const struct i2c_device_id *id)
 {
@@ -257,6 +265,7 @@
 	.driver = {
 		.name = "da9063",
 		.owner = THIS_MODULE,
+		.of_match_table = of_match_ptr(da9063_dt_ids),
 	},
 	.probe    = da9063_i2c_probe,
 	.remove   = da9063_i2c_remove,