diff --git a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0.dts b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0.dts
index 5b29efecadf..14ba04fa448 100644
--- a/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0.dts
+++ b/boards/arm/lpcxpresso55s69/lpcxpresso55s69_cpu0.dts
@@ -204,3 +204,7 @@ i2s1: &flexcomm7 {
 &dma1 {
 	status = "okay";
 };
+
+&mrt_channel0 {
+	status = "okay";
+};
diff --git a/dts/arm/nxp/nxp_lpc55S6x_common.dtsi b/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
index 411f8ac8f5f..5095a96738f 100644
--- a/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
+++ b/dts/arm/nxp/nxp_lpc55S6x_common.dtsi
@@ -410,6 +410,38 @@
 		prescaler = <2>;
 		#pwm-cells = <3>;
 	};
+
+	mrt: mrt@d000 {
+		compatible = "nxp,mrt";
+		reg = <0xd000 0x100>;
+		interrupts = <9 0>;
+		num-channels = <4>;
+		num-bits = <24>;
+		clocks = <&syscon MCUX_MRT_CLK>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		mrt_channel0: mrt_channel@0 {
+			compatible = "nxp,mrt-channel";
+			reg = <0>;
+			status = "disabled";
+		};
+		mrt_channel1: mrt_channel@1 {
+			compatible = "nxp,mrt-channel";
+			reg = <1>;
+			status = "disabled";
+		};
+		mrt_channel2: mrt_channel@2 {
+			compatible = "nxp,mrt-channel";
+			reg = <2>;
+			status = "disabled";
+		};
+		mrt_channel3: mrt_channel@3 {
+			compatible = "nxp,mrt-channel";
+			reg = <3>;
+			status = "disabled";
+		};
+	};
 };
 
 &nvic {
diff --git a/soc/arm/nxp_lpc/lpc55xxx/soc.c b/soc/arm/nxp_lpc/lpc55xxx/soc.c
index e3620782acb..6730c6cfcff 100644
--- a/soc/arm/nxp_lpc/lpc55xxx/soc.c
+++ b/soc/arm/nxp_lpc/lpc55xxx/soc.c
@@ -347,6 +347,10 @@ DT_FOREACH_STATUS_OKAY(nxp_lpc_ctimer, CTIMER_CLOCK_SETUP)
 #endif /* SOC platform */
 #endif /* DAC */
 
+#ifdef CONFIG_COUNTER_NXP_MRT
+	RESET_PeripheralReset(kMRT_RST_SHIFT_RSTn);
+#endif
+
 }
 
 /**
diff --git a/tests/drivers/counter/counter_basic_api/boards/lpcxpresso55s69_cpu0.overlay b/tests/drivers/counter/counter_basic_api/boards/lpcxpresso55s69_cpu0.overlay
new file mode 100644
index 00000000000..968741c5148
--- /dev/null
+++ b/tests/drivers/counter/counter_basic_api/boards/lpcxpresso55s69_cpu0.overlay
@@ -0,0 +1,15 @@
+/*
+ * Copyright 2023 NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&mrt_channel1 {
+	status = "okay";
+};
+
+/* channel 2 disabled to test disabled channel not breaking things */
+
+&mrt_channel3 {
+	status = "okay";
+};