stm32h743i-disco.dts

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    1 /*
    2  * Copyright 2017 - Patrice Chotard <patrice.chotard@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 /dts-v1/;
   44 #include "stm32h743.dtsi"
   45 #include "stm32h7-pinctrl.dtsi"
   46 
   47 / {
   48         model = "STMicroelectronics STM32H743i-Discovery board";
   49         compatible = "st,stm32h743i-disco", "st,stm32h743";
   50 
   51         chosen {
   52                 bootargs = "root=/dev/ram";
   53                 stdout-path = "serial0:115200n8";
   54         };
   55 
   56         memory@d0000000 {
   57                 device_type = "memory";
   58                 reg = <0xd0000000 0x2000000>;
   59         };
   60 
   61         aliases {
   62                 serial0 = &usart2;
   63         };
   64 
   65         v3v3: regulator-v3v3 {
   66                 compatible = "regulator-fixed";
   67                 regulator-name = "v3v3";
   68                 regulator-min-microvolt = <3300000>;
   69                 regulator-max-microvolt = <3300000>;
   70                 regulator-always-on;
   71         };
   72 };
   73 
   74 &clk_hse {
   75         clock-frequency = <25000000>;
   76 };
   77 
   78 &mac {
   79         status = "disabled";
   80         pinctrl-0 = <&ethernet_rmii>;
   81         pinctrl-names = "default";
   82         phy-mode = "rmii";
   83         phy-handle = <&phy0>;
   84 
   85         mdio0 {
   86                 #address-cells = <1>;
   87                 #size-cells = <0>;
   88                 compatible = "snps,dwmac-mdio";
   89                 phy0: ethernet-phy@0 {
   90                         reg = <0>;
   91                 };
   92         };
   93 };
   94 
   95 &sdmmc1 {
   96         pinctrl-names = "default", "opendrain", "sleep";
   97         pinctrl-0 = <&sdmmc1_b4_pins_a>;
   98         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
   99         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
  100         broken-cd;
  101         st,neg-edge;
  102         bus-width = <4>;
  103         vmmc-supply = <&v3v3>;
  104         status = "okay";
  105 };
  106 
  107 &usart2 {
  108         pinctrl-0 = <&usart2_pins>;
  109         pinctrl-names = "default";
  110         status = "okay";
  111 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/stm32h743i-disco.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/stm32h743i-disco.dts