diff --git a/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.overlay b/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
new file mode 100644
index 00000000000..d01ebce4c8a
--- /dev/null
+++ b/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.overlay
@@ -0,0 +1,31 @@
+/*
+ * Copyright (c) 2024 Nordic Semiconductor ASA
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+&pinctrl {
+	uart135_default_alt: uart135_default_alt {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 6)>,
+				<NRF_PSEL(UART_RX, 0, 7)>;
+		};
+	};
+
+	uart135_sleep_alt: uart135_sleep_alt {
+		group1 {
+			psels = <NRF_PSEL(UART_TX, 0, 6)>,
+				<NRF_PSEL(UART_RX, 0, 7)>;
+			low-power-enable;
+		};
+	};
+};
+
+dut: &uart135 {
+	status = "okay";
+	current-speed = <115200>;
+	pinctrl-0 = <&uart135_default_alt>;
+	pinctrl-1 = <&uart135_sleep_alt>;
+	pinctrl-names = "default", "sleep";
+	memory-regions = <&cpuapp_dma_region>;
+};
diff --git a/tests/drivers/uart/uart_pm/testcase.yaml b/tests/drivers/uart/uart_pm/testcase.yaml
index 355bb3c4282..c7c7b803442 100644
--- a/tests/drivers/uart/uart_pm/testcase.yaml
+++ b/tests/drivers/uart/uart_pm/testcase.yaml
@@ -6,6 +6,7 @@ common:
   platform_allow:
     - nrf52840dk/nrf52840
     - nrf54l15pdk/nrf54l15/cpuapp
+    - nrf54h20dk/nrf54h20/cpuapp
     - nrf52_bsim
   harness_config:
     fixture: gpio_loopback
@@ -27,6 +28,7 @@ tests:
     extra_args: DTC_OVERLAY_FILE="boards/nrf52840dk_nrf52840.overlay;nrf_rx_disable.overlay"
     platform_exclude:
       - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
 
   drivers.uart.pm.enhanced_poll:
     extra_configs:
@@ -36,6 +38,7 @@ tests:
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
     platform_exclude:
       - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
 
   drivers.uart.pm.int_driven:
     extra_configs:
@@ -54,6 +57,7 @@ tests:
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
     platform_exclude:
       - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp
 
   drivers.uart.pm.async:
     extra_configs:
@@ -78,3 +82,4 @@ tests:
       - CONFIG_UART_NRFX_UARTE_LEGACY_SHIM=y
     platform_exclude:
       - nrf54l15pdk/nrf54l15/cpuapp
+      - nrf54h20dk/nrf54h20/cpuapp