diff --git a/plat/mediatek/mt8183/include/scu.h b/plat/mediatek/mt8183/include/scu.h
new file mode 100644
index 0000000..96b80c5
--- /dev/null
+++ b/plat/mediatek/mt8183/include/scu.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (c) 2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef SCU_H
+#define SCU_H
+
+void disable_scu(u_register_t mpidr);
+void enable_scu(u_register_t mpidr);
+
+#endif /* SCU_H */