diff --git a/include/device.h b/include/device.h
index 69465790442..79b5927b55c 100644
--- a/include/device.h
+++ b/include/device.h
@@ -831,27 +831,10 @@ BUILD_ASSERT(sizeof(device_handle_t) == 2, "fix the linker scripts");
 		(&DEVICE_NAME_GET(dev_name)), level, prio)
 
 #ifdef CONFIG_PM_DEVICE
-/* Use of DT_PROP_OR here is because we cant assume that 'wakeup-source`
- * will be a defined property for the binding of the devicetree node that
- * is associated with the device
- */
 #define Z_DEVICE_STATE_DEFINE(node_id, dev_name)			\
 	static struct device_state Z_DEVICE_STATE_NAME(dev_name)	\
 	__attribute__((__section__(".z_devstate"))) = {			\
-		.pm = {						        \
-			.usage = 0U,					\
-			.lock = Z_MUTEX_INITIALIZER(			\
-				Z_DEVICE_STATE_NAME(dev_name).pm.lock),	\
-			.condvar = Z_CONDVAR_INITIALIZER(		\
-				Z_DEVICE_STATE_NAME(dev_name).pm.condvar),\
-			.state = PM_DEVICE_STATE_ACTIVE,		\
-			.flags = ATOMIC_INIT(COND_CODE_1(		\
-					DT_NODE_EXISTS(node_id),	\
-					(DT_PROP_OR(			\
-					node_id, wakeup_source, 0)),	\
-					(0)) <<			        \
-				PM_DEVICE_FLAGS_WS_CAPABLE),		\
-		},                                                      \
+		.pm = Z_PM_DEVICE_INIT(Z_DEVICE_STATE_NAME(dev_name), node_id) \
 	};
 
 #define Z_DEVICE_DEFINE_PM_INIT(dev_name, pm_control_fn)	\
diff --git a/include/pm/device.h b/include/pm/device.h
index 831d0930836..9a1c00ac8a2 100644
--- a/include/pm/device.h
+++ b/include/pm/device.h
@@ -114,6 +114,27 @@ struct pm_device {
 	struct k_condvar condvar;
 };
 
+/**
+ * @brief Utility macro to initialize #pm_device.
+ *
+ * @note DT_PROP_OR is used to retrieve the wakeup_source property because
+ * it may not be defined on all devices.
+ *
+ * @param obj Name of the #pm_device structure being initialized.
+ * @param node_id Devicetree node for the initialized device (can be invalid).
+ */
+#define Z_PM_DEVICE_INIT(obj, node_id)					\
+	{								\
+		.usage = 0U,						\
+		.lock = Z_MUTEX_INITIALIZER(obj.pm.lock),		\
+		.condvar = Z_CONDVAR_INITIALIZER(obj.pm.condvar),	\
+		.state = PM_DEVICE_STATE_ACTIVE,			\
+		.flags = ATOMIC_INIT(COND_CODE_1(			\
+				DT_NODE_EXISTS(node_id),		\
+				(DT_PROP_OR(node_id, wakeup_source, 0)),\
+				(0)) << PM_DEVICE_FLAGS_WS_CAPABLE),	\
+	}
+
 /**
  * @brief Device power management control function callback.
  *