arm-trusted-firmware/plat/arm/board/n1sdp/fdts/n1sdp_tb_fw_config.dts

/*
 * Copyright (c) 2022, Arm Limited. All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */

/dts-v1/;
/ {
	tb_fw-config {
		compatible = "arm,tb_fw";

		/* Disable authentication for development */
		disable_auth = <0x0>;

		/*
		 * 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>;
	};
};