diff --git a/dts/common/nordic/nrf54h20.dtsi b/dts/common/nordic/nrf54h20.dtsi
index c84e88646e3..5087fa44491 100644
--- a/dts/common/nordic/nrf54h20.dtsi
+++ b/dts/common/nordic/nrf54h20.dtsi
@@ -28,6 +28,7 @@
 			device_type = "cpu";
 			clocks = <&cpuapp_hsfll>;
 			clock-frequency = <DT_FREQ_M(320)>;
+			cpu-power-states = <&idle &s2ram>;
 		};
 
 		cpurad: cpu@3 {
@@ -122,6 +123,20 @@
 				nordic,tasks-mask = <0xffff0000>;
 			};
 		};
+
+		power-states {
+			idle: idle {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-idle";
+				min-residency-us = <100000>;
+			};
+
+			s2ram: s2ram {
+				compatible = "zephyr,power-state";
+				power-state-name = "suspend-to-ram";
+				min-residency-us = <800000>;
+			};
+		};
 	};
 
 	reserved-memory {
diff --git a/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.conf b/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.conf
new file mode 100644
index 00000000000..09f887e0650
--- /dev/null
+++ b/tests/drivers/uart/uart_pm/boards/nrf54h20dk_nrf54h20_cpuapp.conf
@@ -0,0 +1 @@
+CONFIG_PM_DEVICE_SYSTEM_MANAGED=n