diff --git a/drivers/iio/dac/ad5686.c b/drivers/iio/dac/ad5686.c
index 5840fda4b011..e2ebabca6887 100644
--- a/drivers/iio/dac/ad5686.c
+++ b/drivers/iio/dac/ad5686.c
@@ -8,6 +8,8 @@
 #include <linux/array_size.h>
 #include <linux/bitfield.h>
 #include <linux/bitops.h>
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
 #include <linux/errno.h>
 #include <linux/export.h>
 #include <linux/kstrtox.h>
@@ -484,12 +486,28 @@ int ad5686_probe(struct device *dev,
 	st->ops = ops;
 	st->chip_info = chip_info;
 
-	ret = devm_regulator_get_enable_read_voltage(dev, "vcc");
+	ret = devm_regulator_get_enable(dev, "vdd");
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to enable vdd supply\n");
+
+	ret = devm_regulator_get_enable(dev, "vlogic");
+	if (ret)
+		return dev_err_probe(dev, ret, "failed to enable vlogic supply\n");
+
+	ret = devm_regulator_get_enable_read_voltage(dev, "vref");
+	if (ret == -ENODEV) /* vcc-supply is deprecated, but supported still */
+		ret = devm_regulator_get_enable_read_voltage(dev, "vcc");
 	if (ret < 0 && ret != -ENODEV)
-		return ret;
+		return dev_err_probe(dev, ret, "failed to read vref voltage\n");
 
 	st->use_internal_vref = ret == -ENODEV;
 	st->vref_mv = st->use_internal_vref ? st->chip_info->int_vref_mv : ret / 1000;
+	if (!st->vref_mv)
+		return dev_err_probe(dev, -EINVAL,
+				     "invalid or not provided vref voltage\n");
+
+	/* 4.5us power-up time: Datasheet Table 4: Timing Characteristics */
+	fsleep(5);
 
 	/* Initialize masks to all ones */
 	st->pwr_down_mask = ~0;