diff --git a/drivers/mfd/axp20x.c b/drivers/mfd/axp20x.c
index e94c72c2faa2..1977a039164d 100644
--- a/drivers/mfd/axp20x.c
+++ b/drivers/mfd/axp20x.c
@@ -660,6 +660,7 @@ static struct mfd_cell axp20x_cells[] = {
 		.name		= "axp20x-regulator",
 	}, {
 		.name		= "axp20x-adc",
+		.of_compatible	= "x-powers,axp209-adc",
 	}, {
 		.name		= "axp20x-battery-power-supply",
 		.of_compatible	= "x-powers,axp209-battery-power-supply",
@@ -684,7 +685,8 @@ static struct mfd_cell axp221_cells[] = {
 	}, {
 		.name		= "axp20x-regulator",
 	}, {
-		.name		= "axp22x-adc"
+		.name		= "axp22x-adc",
+		.of_compatible	= "x-powers,axp221-adc",
 	}, {
 		.name		= "axp20x-ac-power-supply",
 		.of_compatible	= "x-powers,axp221-ac-power-supply",
@@ -708,6 +710,7 @@ static struct mfd_cell axp223_cells[] = {
 		.resources		= axp22x_pek_resources,
 	}, {
 		.name		= "axp22x-adc",
+		.of_compatible	= "x-powers,axp221-adc",
 	}, {
 		.name		= "axp20x-battery-power-supply",
 		.of_compatible	= "x-powers,axp221-battery-power-supply",