1/* 2 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com> 3 * 4 * This file is dual-licensed: you can use it either under the terms 5 * of the GPL or the X11 license, at your option. Note that this dual 6 * licensing only applies to this file, and not this project as a 7 * whole. 8 * 9 * a) This file is free software; you can redistribute it and/or 10 * modify it under the terms of the GNU General Public License as 11 * published by the Free Software Foundation; either version 2 of the 12 * License, or (at your option) any later version. 13 * 14 * This file is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * Or, alternatively, 20 * 21 * b) Permission is hereby granted, free of charge, to any person 22 * obtaining a copy of this software and associated documentation 23 * files (the "Software"), to deal in the Software without 24 * restriction, including without limitation the rights to use, 25 * copy, modify, merge, publish, distribute, sublicense, and/or 26 * sell copies of the Software, and to permit persons to whom the 27 * Software is furnished to do so, subject to the following 28 * conditions: 29 * 30 * The above copyright notice and this permission notice shall be 31 * included in all copies or substantial portions of the Software. 32 * 33 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 34 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES 35 * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 36 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT 37 * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 38 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 39 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 40 * OTHER DEALINGS IN THE SOFTWARE. 41 */ 42 43#include "skeleton.dtsi" 44#include "armv7-m.dtsi" 45#include <dt-bindings/clock/stm32h7-clks.h> 46 47/ { 48 clocks { 49 clk_hse: clk-hse { 50 #clock-cells = <0>; 51 compatible = "fixed-clock"; 52 clock-frequency = <25000000>; 53 }; 54 55 clk_lse: clk-lse { 56 #clock-cells = <0>; 57 compatible = "fixed-clock"; 58 clock-frequency = <32768>; 59 }; 60 61 clk_i2s: i2s_ckin { 62 #clock-cells = <0>; 63 compatible = "fixed-clock"; 64 clock-frequency = <0>; 65 }; 66 }; 67 68 soc { 69 rcc: rcc@58024400 { 70 #clock-cells = <1>; 71 #reset-cells = <1>; 72 compatible = "st,stm32h743-rcc", "st,stm32-rcc"; 73 reg = <0x58024400 0x400>; 74 clocks = <&clk_hse>, <&clk_lse>, <&clk_i2s>, <&clk_hsi>, <&clk_csi>; 75 st,syscfg = <&pwrcfg>; 76 }; 77 78 usart1: serial@40011000 { 79 compatible = "st,stm32h7-usart", "st,stm32h7-uart"; 80 reg = <0x40011000 0x400>; 81 interrupts = <37>; 82 status = "disabled"; 83 clocks = <&rcc USART1_CK>; 84 }; 85 86 usart2: serial@40004400 { 87 compatible = "st,stm32h7-usart", "st,stm32h7-uart"; 88 reg = <0x40004400 0x400>; 89 interrupts = <38>; 90 status = "disabled"; 91 clocks = <&rcc USART2_CK>; 92 }; 93 94 timer5: timer@40000c00 { 95 compatible = "st,stm32-timer"; 96 reg = <0x40000c00 0x400>; 97 interrupts = <50>; 98 clocks = <&rcc TIM5_CK>; 99 }; 100 101 pwrcfg: power-config@58024800 { 102 compatible = "syscon"; 103 reg = <0x58024800 0x400>; 104 }; 105 106 fmc: fmc@52004000 { 107 compatible = "st,stm32h7-fmc"; 108 reg = <0x52004000 0x1000>; 109 clocks = <&rcc FMC_CK>; 110 }; 111 112 clk_hsi: clk-hsi { 113 #clock-cells = <0>; 114 compatible = "fixed-clock"; 115 clock-frequency = <64000000>; 116 }; 117 118 clk_csi: clk-csi { 119 #clock-cells = <0>; 120 compatible = "fixed-clock"; 121 clock-frequency = <4000000>; 122 }; 123 }; 124}; 125 126&systick { 127 clock-frequency = <250000000>; 128 status = "okay"; 129}; 130