diff --git a/fw/EF_Driver_Common.h b/fw/EF_Driver_Common.h
new file mode 100644
index 0000000..00c1074
--- /dev/null
+++ b/fw/EF_Driver_Common.h
@@ -0,0 +1,70 @@
+/*
+	Copyright 2025 Efabless Corp.
+
+
+	Licensed under the Apache License, Version 2.0 (the "License");
+	you may not use this file except in compliance with the License.
+	You may obtain a copy of the License at
+
+	    www.apache.org/licenses/LICENSE-2.0
+
+	Unless required by applicable law or agreed to in writing, software
+	distributed under the License is distributed on an "AS IS" BASIS,
+	WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+	See the License for the specific language governing permissions and
+	limitations under the License.
+
+*/
+
+/*! \file EF_Driver_Common.h
+    \brief C header file for common driver definitions and types
+    
+*/
+
+
+#ifndef EF_DRIVER_COMMON_H
+#define EF_DRIVER_COMMON_H
+
+/******************************************************************************
+* Includes
+******************************************************************************/
+#include <stdint.h>
+#include <stdbool.h>
+#include <stddef.h>
+
+
+/******************************************************************************
+* Macros and Constants
+******************************************************************************/
+/* General return codes */
+#define EF_DRIVER_OK                    ((uint32_t)0)   ///< Operation succeeded 
+#define EF_DRIVER_ERROR                 ((uint32_t)1)   ///< Unspecified error
+#define EF_DRIVER_ERROR_BUSY            ((uint32_t)2)   ///< Driver is busy
+#define EF_DRIVER_ERROR_TIMEOUT         ((uint32_t)3)   ///< Timeout occurred
+#define EF_DRIVER_ERROR_UNSUPPORTED     ((uint32_t)4)   ///< Operation not supported
+#define EF_DRIVER_ERROR_PARAMETER       ((uint32_t)5)   ///< Parameter error
+#define EF_DRIVER_ERROR_SPECIFIC        ((uint32_t)6)   ///< Start of driver specific errors 
+
+
+/******************************************************************************
+* Typedefs and Enums
+******************************************************************************/
+
+typedef uint32_t EF_DRIVER_STATUS;      ///<  A type that is used to return the status of the driver functions
+
+
+/******************************************************************************
+* External Variables
+******************************************************************************/
+
+
+/******************************************************************************
+* Function Prototypes
+******************************************************************************/
+
+
+#endif // EF_DRIVER_COMMON_H 
+
+/******************************************************************************
+* End of File
+******************************************************************************/