diff --git a/include/linux/platform_data/mlxreg.h b/include/linux/platform_data/mlxreg.h
index 19f5cb618c55..31f7c25a44da 100644
--- a/include/linux/platform_data/mlxreg.h
+++ b/include/linux/platform_data/mlxreg.h
@@ -35,6 +35,19 @@
 #define __LINUX_PLATFORM_DATA_MLXREG_H
 
 #define MLXREG_CORE_LABEL_MAX_SIZE	32
+#define MLXREG_CORE_WD_FEATURE_NOWAYOUT		BIT(0)
+#define MLXREG_CORE_WD_FEATURE_START_AT_BOOT	BIT(1)
+
+/**
+ * enum mlxreg_wdt_type - type of HW watchdog
+ *
+ * TYPE1 HW watchdog implementation exist in old systems.
+ * All new systems have TYPE2 HW watchdog.
+ */
+enum mlxreg_wdt_type {
+	MLX_WDT_TYPE1,
+	MLX_WDT_TYPE2,
+};
 
 /**
  * struct mlxreg_hotplug_device - I2C device data:
@@ -110,11 +123,17 @@ struct mlxreg_core_item {
  * @led_data: led private data;
  * @regmap: register map of parent device;
  * @counter: number of led instances;
+ * @features: supported features of device;
+ * @version: implementation version;
+ * @identity: device identity name;
  */
 struct mlxreg_core_platform_data {
 	struct mlxreg_core_data *data;
 	void *regmap;
 	int counter;
+	u32 features;
+	u32 version;
+	char identity[MLXREG_CORE_LABEL_MAX_SIZE];
 };
 
 /**