diff --git a/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts
new file mode 100644
index 0000000..3dedf1d
--- /dev/null
+++ b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_nt_fw_config.dts
@@ -0,0 +1,22 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+/ {
+	/* compatible string */
+	compatible = "arm,sgi-clark";
+
+	/*
+	 * Place holder for system-id node with default values. The
+	 * value of platform-id and config-id will be set to the
+	 * correct values during the BL2 stage of boot.
+	 */
+	system-id {
+		platform-id = <0x0>;
+		config-id = <0x0>;
+	};
+
+};
diff --git a/plat/arm/board/sgiclarkh/fdts/sgiclarkh_tb_fw_config.dts b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_tb_fw_config.dts
new file mode 100644
index 0000000..766dc00
--- /dev/null
+++ b/plat/arm/board/sgiclarkh/fdts/sgiclarkh_tb_fw_config.dts
@@ -0,0 +1,25 @@
+/*
+ * Copyright (c) 2018, Arm Limited. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+/dts-v1/;
+
+/ {
+	/* Platform Config */
+	compatible = "arm,tb_fw";
+	nt_fw_config_addr = <0x0 0xFEF00000>;
+	nt_fw_config_max_size = <0x0100000>;
+	/*
+	 * The following two entries are placeholders for Mbed TLS
+	 * heap information. The default values don't matter since
+	 * they will be overwritten by BL1.
+	 * In case of having shared Mbed TLS heap between BL1 and BL2,
+	 * BL1 will populate these two properties with the respective
+	 * info about the shared heap. This info will be available for
+	 * BL2 in order to locate and re-use the heap.
+	 */
+	mbedtls_heap_addr = <0x0 0x0>;
+	mbedtls_heap_size = <0x0>;
+};