arch/arm/boot/dts/stm32h750i-art-pi.dts

   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