diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
index 279cce4f5dd7..4c699c35bdda 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/Makefile
@@ -15,6 +15,7 @@ dtbo-y += \
 	pwm8.dtbo \
 	rknpu.dtbo \
 	spi0.dtbo \
+	ttyfiq0_115200.dtbo \
 	uart0-with-ctsrts.dtbo \
 	uart0.dtbo \
 	uart1.dtbo \
diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm2/ttyfiq0_115200.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/ttyfiq0_115200.dts
new file mode 100644
index 000000000000..edbe64d08b60
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm2/ttyfiq0_115200.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2024 Hardkernel Co., Ltd.
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&fiq_debugger>;
+
+		__overlay__ {
+			rockchip,baudrate = <115200>;
+		};
+	};
+};