diff --git a/plat/arm/css/sgi/fdts/sgi575.dts b/plat/arm/css/sgi/fdts/sgi575.dts
new file mode 100644
index 0000000..be9920c
--- /dev/null
+++ b/plat/arm/css/sgi/fdts/sgi575.dts
@@ -0,0 +1,11 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+	/* compatible string */
+	compatible = "arm,sgi575";
+};
diff --git a/plat/arm/css/sgi/fdts/sgi575_tb_fw_config.dts b/plat/arm/css/sgi/fdts/sgi575_tb_fw_config.dts
new file mode 100644
index 0000000..0bb0a94
--- /dev/null
+++ b/plat/arm/css/sgi/fdts/sgi575_tb_fw_config.dts
@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	/* Platform Config */
+	compatible = "arm,tb_fw";
+	hw_config_addr = <0x0 0xFEF00000>;
+	hw_config_max_size = <0x0100000>;
+};