1// SPDX-License-Identifier: (GPL-2.0+ OR MIT) 2/* 3 * Copyright (c) 2026 Amlogic, Inc. All rights reserved. 4 */ 5 6/dts-v1/; 7 8#include "amlogic-a9.dtsi" 9/ { 10 model = "Amlogic A311DY3 BY401 Development Board"; 11 compatible = "amlogic,by401", "amlogic,a9"; 12 #address-cells = <2>; 13 #size-cells = <2>; 14 15 aliases { 16 serial0 = &uart_b; 17 }; 18 19 memory@0 { 20 device_type = "memory"; 21 reg = <0x0 0x0 0x0 0x80000000>; 22 }; 23 24 reserved-memory { 25 #address-cells = <2>; 26 #size-cells = <2>; 27 ranges; 28 29 /* 35 MiB reserved for ARM Trusted Firmware */ 30 secmon_reserved: secmon@5000000 { 31 compatible = "shared-dma-pool"; 32 reg = <0x0 0x05000000 0x0 0x2300000>; 33 no-map; 34 }; 35 }; 36}; 37 38&uart_b { 39 status = "okay"; 40}; 41