diff --git a/include/zephyr/device.h b/include/zephyr/device.h
index 2ea95a2d563..ce9b6c1312e 100644
--- a/include/zephyr/device.h
+++ b/include/zephyr/device.h
@@ -848,6 +848,17 @@ static inline bool z_impl_device_is_ready(const struct device *dev)
 
 #endif /* CONFIG_DEVICE_DEPS */
 
+/**
+ * @brief Init sub-priority of the device
+ *
+ * The sub-priority is defined by the devicetree ordinal, which ensures that
+ * multiple drivers running at the same priority level run in an order that
+ * respects the devicetree dependencies.
+ */
+#define Z_DEVICE_INIT_SUB_PRIO(node_id)                                        \
+	COND_CODE_1(DT_NODE_EXISTS(node_id),                                   \
+		    (DT_DEP_ORD_STR_SORTABLE(node_id)), (0))
+
 /**
  * @brief Maximum device name length.
  *
@@ -923,14 +934,17 @@ static inline bool z_impl_device_is_ready(const struct device *dev)
 /**
  * @brief Define the init entry for a device.
  *
+ * @param node_id Devicetree node id for the device (DT_INVALID_NODE if a
+ * software device).
  * @param dev_id Device identifier.
  * @param init_fn_ Device init function.
  * @param level Initialization level.
  * @param prio Initialization priority.
  */
-#define Z_DEVICE_INIT_ENTRY_DEFINE(dev_id, init_fn_, level, prio)              \
-	static const Z_DECL_ALIGN(struct init_entry)                           \
-		Z_INIT_ENTRY_SECTION(level, prio) __used __noasan              \
+#define Z_DEVICE_INIT_ENTRY_DEFINE(node_id, dev_id, init_fn_, level, prio)     \
+	static const Z_DECL_ALIGN(struct init_entry) __used __noasan           \
+		Z_INIT_ENTRY_SECTION(level, prio,                              \
+				     Z_DEVICE_INIT_SUB_PRIO(node_id))          \
 		Z_INIT_ENTRY_NAME(DEVICE_NAME_GET(dev_id)) = {                 \
 			.init_fn = {.dev = (init_fn_)},                        \
 			.dev = &DEVICE_NAME_GET(dev_id),                       \
@@ -967,7 +981,7 @@ static inline bool z_impl_device_is_ready(const struct device *dev)
 	Z_DEVICE_BASE_DEFINE(node_id, dev_id, name, pm, data, config, level,   \
 			     prio, api, state, Z_DEVICE_DEPS_NAME(dev_id));    \
                                                                                \
-	Z_DEVICE_INIT_ENTRY_DEFINE(dev_id, init_fn, level, prio)
+	Z_DEVICE_INIT_ENTRY_DEFINE(node_id, dev_id, init_fn, level, prio)
 
 #if defined(CONFIG_HAS_DTS) || defined(__DOXYGEN__)
 /**
diff --git a/include/zephyr/init.h b/include/zephyr/init.h
index 77e8fddc0cc..9b0d2993d62 100644
--- a/include/zephyr/init.h
+++ b/include/zephyr/init.h
@@ -128,10 +128,12 @@ struct init_entry {
  * @brief Init entry section.
  *
  * Each init entry is placed in a section with a name crafted so that it allows
- * linker scripts to sort them according to the specified level/priority.
+ * linker scripts to sort them according to the specified
+ * level/priority/sub-priority.
  */
-#define Z_INIT_ENTRY_SECTION(level, prio)                                      \
-	__attribute__((__section__(".z_init_" #level STRINGIFY(prio)"_")))
+#define Z_INIT_ENTRY_SECTION(level, prio, sub_prio)                           \
+	__attribute__((__section__(                                           \
+		".z_init_" #level STRINGIFY(prio)"_" STRINGIFY(sub_prio)"_")))
 
 /** @endcond */
 
@@ -186,7 +188,7 @@ struct init_entry {
  */
 #define SYS_INIT_NAMED(name, init_fn_, level, prio)                            \
 	static const Z_DECL_ALIGN(struct init_entry)                           \
-		Z_INIT_ENTRY_SECTION(level, prio) __used __noasan              \
+		Z_INIT_ENTRY_SECTION(level, prio, 0) __used __noasan           \
 		Z_INIT_ENTRY_NAME(name) = {                                    \
 			.init_fn = {.sys = (init_fn_)},                        \
 			.dev = NULL,                                           \