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

     /*
      * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
      *
      * This file is dual-licensed: you can use it either under the terms
      * of the GPL or the X11 license, at your option. Note that this dual
      * licensing only applies to this file, and not this project as a
      * whole.
      *
      *  a) This file is free software; you can redistribute it and/or
     *     modify it under the terms of the GNU General Public License as
     *     published by the Free Software Foundation; either version 2 of the
     *     License, or (at your option) any later version.
     *
     *     This file is distributed in the hope that it will be useful,
     *     but WITHOUT ANY WARRANTY; without even the implied warranty of
     *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     *     GNU General Public License for more details.
     *
     * Or, alternatively,
     *
     *  b) Permission is hereby granted, free of charge, to any person
     *     obtaining a copy of this software and associated documentation
     *     files (the "Software"), to deal in the Software without
     *     restriction, including without limitation the rights to use,
     *     copy, modify, merge, publish, distribute, sublicense, and/or
     *     sell copies of the Software, and to permit persons to whom the
     *     Software is furnished to do so, subject to the following
     *     conditions:
     *
     *     The above copyright notice and this permission notice shall be
     *     included in all copies or substantial portions of the Software.
     *
     *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
     *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
     *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
     *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
     *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
     *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
     *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
     *     OTHER DEALINGS IN THE SOFTWARE.
     */
    
    /dts-v1/;
    #include "stm32h743.dtsi"
    #include "stm32h7-pinctrl.dtsi"
    
    / {
            model = "STMicroelectronics STM32H743i-EVAL board";
            compatible = "st,stm32h743i-eval", "st,stm32h743";
    
            chosen {
                    bootargs = "root=/dev/ram";
                    stdout-path = "serial0:115200n8";
            };
    
            memory@d0000000 {
                    device_type = "memory";
                    reg = <0xd0000000 0x2000000>;
            };
    
            aliases {
                    serial0 = &usart1;
            };
    
            vdda: regulator-vdda {
                    compatible = "regulator-fixed";
                    regulator-name = "vdda";
                    regulator-min-microvolt = <3300000>;
                    regulator-max-microvolt = <3300000>;
                    regulator-always-on;
            };
    
            v2v9_sd: regulator-v2v9_sd {
                    compatible = "regulator-fixed";
                    regulator-name = "v2v9_sd";
                    regulator-min-microvolt = <2900000>;
                    regulator-max-microvolt = <2900000>;
                    regulator-always-on;
            };
    
            usbotg_hs_phy: usb-phy {
                    #phy-cells = <0>;
                    compatible = "usb-nop-xceiv";
                    clocks = <&rcc USB1ULPI_CK>;
                    clock-names = "main_clk";
            };
    };
    
    &adc_12 {
            vdda-supply = <&vdda>;
            vref-supply = <&vdda>;
            status = "okay";
            adc1: adc@0 {
                    /* potentiometer */
                    st,adc-channels = <0>;
                    status = "okay";
            };
    };
    
   &clk_hse {
           clock-frequency = <25000000>;
   };
   
   &i2c1 {
           pinctrl-0 = <&i2c1_pins_a>;
           pinctrl-names = "default";
           i2c-scl-rising-time-ns = <185>;
           i2c-scl-falling-time-ns = <20>;
           status = "okay";
   };
   
   &rtc {
           status = "okay";
   };
   
   &mac {
           status = "disabled";
           pinctrl-0 = <&ethernet_rmii>;
           pinctrl-names = "default";
           phy-mode = "rmii";
           phy-handle = <&phy0>;
   
           mdio0 {
                   #address-cells = <1>;
                   #size-cells = <0>;
                   compatible = "snps,dwmac-mdio";
                   phy0: ethernet-phy@0 {
                           reg = <0>;
                   };
           };
   };
   
   &sdmmc1 {
           pinctrl-names = "default", "opendrain", "sleep";
           pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
           pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
           pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
           broken-cd;
           st,sig-dir;
           st,neg-edge;
           st,use-ckin;
           bus-width = <4>;
           vmmc-supply = <&v2v9_sd>;
           status = "okay";
   };
   
   &usart1 {
           pinctrl-0 = <&usart1_pins>;
           pinctrl-names = "default";
           status = "okay";
   };
   
   &usbotg_hs {
           pinctrl-0 = <&usbotg_hs_pins_a>;
           pinctrl-names = "default";
           phys = <&usbotg_hs_phy>;
           phy-names = "usb2-phy";
           dr_mode = "otg";
           status = "okay";
   };

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