diff --git a/include/drivers/st/stm32mp2_ddr_helpers.h b/include/drivers/st/stm32mp2_ddr_helpers.h
new file mode 100644
index 0000000..069fb83
--- /dev/null
+++ b/include/drivers/st/stm32mp2_ddr_helpers.h
@@ -0,0 +1,12 @@
+/*
+ * Copyright (c) 2024, STMicroelectronics - All Rights Reserved
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef STM32MP2_DDR_HELPERS_H
+#define STM32MP2_DDR_HELPERS_H
+
+void ddr_sub_system_clk_init(void);
+
+#endif /* STM32MP2_DDR_HELPERS_H */