diff --git a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
index d811d34a4221..cd5eaac9558c 100644
--- a/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/Makefile
@@ -15,6 +15,7 @@ dtbo-$(CONFIG_ARCH_ROCKCHIP_ODROIDM1) += \
 	pwm9.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/odroidm1/ttyfiq0_115200.dts b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/ttyfiq0_115200.dts
new file mode 100644
index 000000000000..f448a8959952
--- /dev/null
+++ b/arch/arm64/boot/dts/rockchip/overlays/odroidm1/ttyfiq0_115200.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2021 Hardkernel Co., Ltd.
+ *
+ */
+
+/dts-v1/;
+/plugin/;
+
+/ {
+	fragment@0 {
+		target = <&fiq_debugger>;
+
+		__overlay__ {
+			rockchip,baudrate = <115200>;
+		};
+	};
+};
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-linux.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-linux.dtsi
index c7e309645099..29c5bc8ace0c 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-linux.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-linux.dtsi
@@ -16,7 +16,7 @@
 		bootargs = "earlycon=uart8250,mmio32,0xfe660000 console=ttyFIQ0 root=PARTUUID=614e0000-0000 rw rootwait";
 	};
 
-	fiq-debugger {
+	fiq_debugger: fiq-debugger {
 		compatible = "rockchip,fiq-debugger";
 		rockchip,serial-id = <2>;
 		rockchip,wake-irq = <0>;