diff --git a/plat/brcm/board/stingray/include/fsx.h b/plat/brcm/board/stingray/include/fsx.h
new file mode 100644
index 0000000..c52ff0a
--- /dev/null
+++ b/plat/brcm/board/stingray/include/fsx.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (c) 2017 - 2020, Broadcom
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef FSX_H
+#define FSX_H
+
+#include <stdbool.h>
+
+typedef enum FSX_TYPE {
+	eFS4_RAID,
+	eFS4_CRYPTO,
+	eFS6_PKI,
+} eFSX_TYPE;
+
+void fsx_init(eFSX_TYPE fsx_type,
+	      unsigned int ring_count,
+	      unsigned int dme_count,
+	      unsigned int ae_count,
+	      unsigned int start_stream_id,
+	      unsigned int msi_dev_id,
+	      uintptr_t idm_io_control_direct,
+	      uintptr_t idm_reset_control,
+	      uintptr_t base,
+	      uintptr_t dme_base);
+
+void fsx_meminit(const char *name,
+		 uintptr_t idm_io_control_direct,
+		 uintptr_t idm_io_status);
+
+void fs4_disable_clocks(bool disable_sram,
+			bool disable_crypto,
+			bool disable_raid);
+
+#endif /* FSX_H */