git.sur5r.net Git - u-boot/blob - arch/arm/dts/stm32h743.dtsi

   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 };