diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dtsi
index daaba0d9e02a..b720ca8608ce 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid-m1.dtsi
@@ -378,3 +378,7 @@
 	pinctrl-0 = <&uart1m1_xfer>;
 	pinctrl-1 = <&uart1m1_xfer &uart1m1_ctsn &uart1m1_rtsn>;
 };
+
+&dmc {
+	status = "disabled";
+};