diff --git a/arm_compute/core/Types.h b/arm_compute/core/Types.h
index 24c73ca..143ee02 100644
--- a/arm_compute/core/Types.h
+++ b/arm_compute/core/Types.h
@@ -109,10 +109,20 @@
 /** Supported tensor data layouts */
 enum class DataLayout
 {
+    UNKNOWN,
     NCHW,
     NHWC
 };
 
+/** Supported tensor data layout dimensions */
+enum class DataLayoutDimension
+{
+    CHANNEL,
+    HEIGHT,
+    WIDTH,
+    BATCHES
+};
+
 /** Quantization settings (used for QASYMM8 data type) */
 struct QuantizationInfo
 {