1/* 2 * Copyright 2016 - Michael Kurz <michi.kurz@gmail.com> 3 * Copyright 2016 - Vikas MANOCHA <vikas.manocha@st.com> 4 * 5 * Based on: 6 * stm32f469-disco.dts from Linux 7 * Copyright 2016 - Lee Jones <lee.jones@linaro.org> 8 * 9 * This file is dual-licensed: you can use it either under the terms 10 * of the GPL or the X11 license, at your option. Note that this dual 11 * licensing only applies to this file, and not this project as a 12 * whole. 13 * 14 * a) This file is free software; you can redistribute it and/or 15 * modify it under the terms of the GNU General Public License as 16 * published by the Free Software Foundation; either version 2 of the 17 * License, or (at your option) any later version. 18 * 19 * This file is distributed in the hope that it will be useful, 20 * but WITHOUT ANY WARRANTY; without even the implied warranty of 21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 22 * GNU General Public License for more details. 23 * 24 * Or, alternatively, 25 * 26 * b) Permission is hereby granted, free of charge, to any person 27 * obtaining a copy of this software and associated documentation 28 * files (the "Software"), to deal in the Software without 29 * restriction, including without limitation the rights to use, 30 * copy, modify, merge, publish, distribute, sublicense, and/or 31 * sell copies of the Software, and to permit persons to whom the 32 * Software is furnished to do so, subject to the following 33 * conditions: 34 * 35 * The above copyright notice and this permission notice shall be 36 * included in all copies or substantial portions of the Software. 37 * 38 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 39 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 40 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 41 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 42 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 43 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 44 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 45 * OTHER DEALINGS IN THE SOFTWARE. 46 */ 47 48/dts-v1/; 49#include "stm32f746.dtsi" 50 51/ { 52 model = "STMicroelectronics STM32F746-DISCO board"; 53 compatible = "st,stm32f746-disco", "st,stm32f746"; 54 55 chosen { 56 bootargs = "root=/dev/ram rdinit=/linuxrc"; 57 stdout-path = "serial0:115200n8"; 58 }; 59 60 memory { 61 reg = <0xC0000000 0x800000>; 62 }; 63 64 aliases { 65 serial0 = &usart1; 66 spi0 = &qspi; 67 }; 68}; 69 70&clk_hse { 71 clock-frequency = <25000000>; 72}; 73 74&usart1 { 75 pinctrl-0 = <&usart1_pins_a>; 76 pinctrl-names = "default"; 77 status = "okay"; 78}; 79 80&fmc { 81 pinctrl-0 = <&fmc_pins>; 82 pinctrl-names = "default"; 83 status = "okay"; 84}; 85 86&mac { 87 status = "okay"; 88 pinctrl-0 = <ðernet_mii>; 89 phy-mode = "rmii"; 90 phy-handle = <&phy0>; 91 92 mdio0 { 93 #address-cells = <1>; 94 #size-cells = <0>; 95 compatible = "snps,dwmac-mdio"; 96 phy0: ethernet-phy@0 { 97 reg = <0>; 98 }; 99 }; 100}; 101 102&qspi { 103 pinctrl-0 = <&qspi_pins>; 104 status = "okay"; 105 106 qflash0: n25q128a { 107 #address-cells = <1>; 108 #size-cells = <1>; 109 compatible = "micron,n25q128a13", "spi-flash"; 110 spi-max-frequency = <108000000>; 111 spi-tx-bus-width = <1>; 112 spi-rx-bus-width = <1>; 113 memory-map = <0x90000000 0x1000000>; 114 reg = <0>; 115 }; 116}; 117