stm32h750i-art-pi.dts

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    1 /*
    2  * Copyright 2021 - Dillon Min <dillon.minfei@gmail.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  * For art-pi board resources, you can refer to link:
   43  *      https://art-pi.gitee.io/website/
   44  */
   45 
   46 /dts-v1/;
   47 #include "stm32h750.dtsi"
   48 #include "stm32h7-pinctrl.dtsi"
   49 #include <dt-bindings/interrupt-controller/irq.h>
   50 #include <dt-bindings/gpio/gpio.h>
   51 
   52 / {
   53         model = "RT-Thread STM32H750i-ART-PI board";
   54         compatible = "st,stm32h750i-art-pi", "st,stm32h750";
   55 
   56         chosen {
   57                 bootargs = "root=/dev/ram";
   58                 stdout-path = "serial0:2000000n8";
   59         };
   60 
   61         memory@c0000000 {
   62                 device_type = "memory";
   63                 reg = <0xc0000000 0x2000000>;
   64         };
   65 
   66         reserved-memory {
   67                 #address-cells = <1>;
   68                 #size-cells = <1>;
   69                 ranges;
   70 
   71                 linux,cma {
   72                         compatible = "shared-dma-pool";
   73                         no-map;
   74                         size = <0x100000>;
   75                         linux,dma-default;
   76                 };
   77         };
   78 
   79         aliases {
   80                 serial0 = &uart4;
   81                 serial1 = &usart3;
   82         };
   83 
   84         leds {
   85                 compatible = "gpio-leds";
   86                 led-red {
   87                         gpios = <&gpioi 8 0>;
   88                 };
   89                 led-green {
   90                         gpios = <&gpioc 15 0>;
   91                         linux,default-trigger = "heartbeat";
   92                 };
   93         };
   94 
   95         v3v3: regulator-v3v3 {
   96                 compatible = "regulator-fixed";
   97                 regulator-name = "v3v3";
   98                 regulator-min-microvolt = <3300000>;
   99                 regulator-max-microvolt = <3300000>;
  100                 regulator-always-on;
  101         };
  102 
  103         wlan_pwr: regulator-wlan {
  104                 compatible = "regulator-fixed";
  105 
  106                 regulator-name = "wl-reg";
  107                 regulator-min-microvolt = <3300000>;
  108                 regulator-max-microvolt = <3300000>;
  109 
  110                 gpios = <&gpioc 13 GPIO_ACTIVE_HIGH>;
  111                 enable-active-high;
  112         };
  113 };
  114 
  115 &clk_hse {
  116         clock-frequency = <25000000>;
  117 };
  118 
  119 &dma1 {
  120         status = "okay";
  121 };
  122 
  123 &dma2 {
  124         status = "okay";
  125 };
  126 
  127 &mac {
  128         status = "disabled";
  129         pinctrl-0 = <&ethernet_rmii>;
  130         pinctrl-names = "default";
  131         phy-mode = "rmii";
  132         phy-handle = <&phy0>;
  133 
  134         mdio0 {
  135                 #address-cells = <1>;
  136                 #size-cells = <0>;
  137                 compatible = "snps,dwmac-mdio";
  138                 phy0: ethernet-phy@0 {
  139                         reg = <0>;
  140                 };
  141         };
  142 };
  143 
  144 &sdmmc1 {
  145         pinctrl-names = "default", "opendrain", "sleep";
  146         pinctrl-0 = <&sdmmc1_b4_pins_a>;
  147         pinctrl-1 = <&sdmmc1_b4_od_pins_a>;
  148         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a>;
  149         broken-cd;
  150         st,neg-edge;
  151         bus-width = <4>;
  152         vmmc-supply = <&v3v3>;
  153         status = "okay";
  154 };
  155 
  156 &sdmmc2 {
  157         pinctrl-names = "default", "opendrain", "sleep";
  158         pinctrl-0 = <&sdmmc2_b4_pins_a>;
  159         pinctrl-1 = <&sdmmc2_b4_od_pins_a>;
  160         pinctrl-2 = <&sdmmc2_b4_sleep_pins_a>;
  161         broken-cd;
  162         non-removable;
  163         st,neg-edge;
  164         bus-width = <4>;
  165         vmmc-supply = <&wlan_pwr>;
  166         status = "okay";
  167 
  168         #address-cells = <1>;
  169         #size-cells = <0>;
  170         brcmf: bcrmf@1 {
  171                 reg = <1>;
  172                 compatible = "brcm,bcm4329-fmac";
  173         };
  174 };
  175 
  176 &spi1 {
  177         status = "okay";
  178         pinctrl-0 = <&spi1_pins>;
  179         pinctrl-names = "default";
  180         cs-gpios = <&gpioa 4 GPIO_ACTIVE_LOW>;
  181         dmas = <&dmamux1 37 0x400 0x05>,
  182                <&dmamux1 38 0x400 0x05>;
  183         dma-names = "rx", "tx";
  184 
  185         flash@0 {
  186                 #address-cells = <1>;
  187                 #size-cells = <1>;
  188                 compatible = "winbond,w25q128", "jedec,spi-nor";
  189                 reg = <0>;
  190                 spi-max-frequency = <80000000>;
  191 
  192                 partition@0 {
  193                         label = "root filesystem";
  194                         reg = <0 0x1000000>;
  195                 };
  196         };
  197 };
  198 
  199 &usart2 {
  200         pinctrl-0 = <&usart2_pins>;
  201         pinctrl-names = "default";
  202         status = "disabled";
  203 };
  204 
  205 &usart3 {
  206         pinctrl-names = "default";
  207         pinctrl-0 = <&usart3_pins>;
  208         dmas = <&dmamux1 45 0x400 0x05>,
  209                <&dmamux1 46 0x400 0x05>;
  210         dma-names = "rx", "tx";
  211         st,hw-flow-ctrl;
  212         status = "okay";
  213 
  214         bluetooth {
  215                 compatible = "brcm,bcm43438-bt";
  216                 host-wakeup-gpios = <&gpioc 0 GPIO_ACTIVE_HIGH>;
  217                 device-wakeup-gpios = <&gpioi 10 GPIO_ACTIVE_HIGH>;
  218                 shutdown-gpios = <&gpioi 11 GPIO_ACTIVE_HIGH>;
  219                 max-speed = <115200>;
  220         };
  221 };
  222 
  223 &uart4 {
  224         pinctrl-0 = <&uart4_pins>;
  225         pinctrl-names = "default";
  226         status = "okay";
  227 };
  228 
  229

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/stm32h750i-art-pi.dts

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/src/arm/stm32h750i-art-pi.dts