diff --git a/drivers/mfd/mt6397-core.c b/drivers/mfd/mt6397-core.c
index 4fd4a2da5ad73c9c57c7c5f0d356d54892f6dd20..c2939e785818fc0bd132789cd28a51b02cb6d82c 100644
--- a/drivers/mfd/mt6397-core.c
+++ b/drivers/mfd/mt6397-core.c
@@ -135,6 +135,9 @@ static const struct mfd_cell mt6323_devs[] = {
 
 static const struct mfd_cell mt6357_devs[] = {
 	{
+		.name = "mt6359-auxadc",
+		.of_compatible = "mediatek,mt6357-auxadc"
+	}, {
 		.name = "mt6357-regulator",
 	}, {
 		.name = "mt6357-rtc",
@@ -175,6 +178,9 @@ static const struct mfd_cell mt6331_mt6332_devs[] = {
 
 static const struct mfd_cell mt6358_devs[] = {
 	{
+		.name = "mt6359-auxadc",
+		.of_compatible = "mediatek,mt6358-auxadc"
+	}, {
 		.name = "mt6358-regulator",
 		.of_compatible = "mediatek,mt6358-regulator"
 	}, {
@@ -194,6 +200,10 @@ static const struct mfd_cell mt6358_devs[] = {
 };
 
 static const struct mfd_cell mt6359_devs[] = {
+	{
+		.name = "mt6359-auxadc",
+		.of_compatible = "mediatek,mt6359-auxadc"
+	},
 	{ .name = "mt6359-regulator", },
 	{
 		.name = "mt6359-rtc",