diff --git a/dts/vendor/nordic/nrf54h20.dtsi b/dts/vendor/nordic/nrf54h20.dtsi
index d06cbde97e0..0f311cf016d 100644
--- a/dts/vendor/nordic/nrf54h20.dtsi
+++ b/dts/vendor/nordic/nrf54h20.dtsi
@@ -708,6 +708,7 @@
 				power-domains = <&gpd NRF_GPD_FAST_ACTIVE1>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			spi121: spi@8e7000 {
@@ -1066,6 +1067,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			i2c131: i2c@9a6000 {
@@ -1200,6 +1202,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			i2c133: i2c@9b6000 {
@@ -1246,6 +1249,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			dppic135: dppic@9c1000 {
@@ -1334,6 +1338,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			i2c135: i2c@9c6000 {
@@ -1380,6 +1385,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			dppic136: dppic@9d1000 {
@@ -1514,6 +1520,7 @@
 				nordic,clockpin-enable = <NRF_FUN_UART_TX>;
 				endtx-stoptx-supported;
 				frame-timeout-supported;
+				zephyr,pm-device-runtime-auto;
 			};
 
 			tdm130: tdm@992000 {