diff --git a/arch/arm/boot/dts/amlogic/g12a_s905y2_u221.dts b/arch/arm/boot/dts/amlogic/g12a_s905y2_u221.dts
index c4703a648969..7d6551891675 100644
--- a/arch/arm/boot/dts/amlogic/g12a_s905y2_u221.dts
+++ b/arch/arm/boot/dts/amlogic/g12a_s905y2_u221.dts
@@ -1373,5 +1373,5 @@
 };
 
 &amhdmitx {
-	dongle_mode = <1>;
+	dongle_mode = <0>;
 };
diff --git a/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts b/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
index 48bc6a39c0ec..b2bb78e7ca34 100644
--- a/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
+++ b/arch/arm64/boot/dts/amlogic/g12a_s905y2_u221.dts
@@ -1370,5 +1370,5 @@
 };
 
 &amhdmitx {
-	dongle_mode = <1>;
+	dongle_mode = <0>;
 };