boot/dts/stm32h743i-eval.dts

0001 /*
0002  * Copyright 2017 - Alexandre Torgue <alexandre.torgue@st.com>
0003  *
0004  * This file is dual-licensed: you can use it either under the terms
0005  * of the GPL or the X11 license, at your option. Note that this dual
0006  * licensing only applies to this file, and not this project as a
0007  * whole.
0008  *
0009  *  a) This file is free software; you can redistribute it and/or
0010  *     modify it under the terms of the GNU General Public License as
0011  *     published by the Free Software Foundation; either version 2 of the
0012  *     License, or (at your option) any later version.
0013  *
0014  *     This file is distributed in the hope that it will be useful,
0015  *     but WITHOUT ANY WARRANTY; without even the implied warranty of
0016  *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0017  *     GNU General Public License for more details.
0018  *
0019  * Or, alternatively,
0020  *
0021  *  b) Permission is hereby granted, free of charge, to any person
0022  *     obtaining a copy of this software and associated documentation
0023  *     files (the "Software"), to deal in the Software without
0024  *     restriction, including without limitation the rights to use,
0025  *     copy, modify, merge, publish, distribute, sublicense, and/or
0026  *     sell copies of the Software, and to permit persons to whom the
0027  *     Software is furnished to do so, subject to the following
0028  *     conditions:
0029  *
0030  *     The above copyright notice and this permission notice shall be
0031  *     included in all copies or substantial portions of the Software.
0032  *
0033  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
0034  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
0035  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
0036  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
0037  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
0038  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
0039  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
0040  *     OTHER DEALINGS IN THE SOFTWARE.
0041  */
0042
0043 /dts-v1/;
0044 #include "stm32h743.dtsi"
0045 #include "stm32h7-pinctrl.dtsi"
0046
0047 / {
0048         model = "STMicroelectronics STM32H743i-EVAL board";
0049         compatible = "st,stm32h743i-eval", "st,stm32h743";
0050
0051         chosen {
0052                 bootargs = "root=/dev/ram";
0053                 stdout-path = "serial0:115200n8";
0054         };
0055
0056         memory@d0000000 {
0057                 device_type = "memory";
0058                 reg = <0xd0000000 0x2000000>;
0059         };
0060
0061         aliases {
0062                 serial0 = &usart1;
0063         };
0064
0065         vdda: regulator-vdda {
0066                 compatible = "regulator-fixed";
0067                 regulator-name = "vdda";
0068                 regulator-min-microvolt = <3300000>;
0069                 regulator-max-microvolt = <3300000>;
0070                 regulator-always-on;
0071         };
0072
0073         v2v9_sd: regulator-v2v9_sd {
0074                 compatible = "regulator-fixed";
0075                 regulator-name = "v2v9_sd";
0076                 regulator-min-microvolt = <2900000>;
0077                 regulator-max-microvolt = <2900000>;
0078                 regulator-always-on;
0079         };
0080
0081         usbotg_hs_phy: usb-phy {
0082                 #phy-cells = <0>;
0083                 compatible = "usb-nop-xceiv";
0084                 clocks = <&rcc USB1ULPI_CK>;
0085                 clock-names = "main_clk";
0086         };
0087 };
0088
0089 &adc_12 {
0090         vdda-supply = <&vdda>;
0091         vref-supply = <&vdda>;
0092         status = "okay";
0093         adc1: adc@0 {
0094                 /* potentiometer */
0095                 st,adc-channels = <0>;
0096                 status = "okay";
0097         };
0098 };
0099
0100 &clk_hse {
0101         clock-frequency = <25000000>;
0102 };
0103
0104 &i2c1 {
0105         pinctrl-0 = <&i2c1_pins_a>;
0106         pinctrl-names = "default";
0107         i2c-scl-rising-time-ns = <185>;
0108         i2c-scl-falling-time-ns = <20>;
0109         status = "okay";
0110 };
0111
0112 &rtc {
0113         status = "okay";
0114 };
0115
0116 &mac {
0117         status = "disabled";
0118         pinctrl-0 = <&ethernet_rmii>;
0119         pinctrl-names = "default";
0120         phy-mode = "rmii";
0121         phy-handle = <&phy0>;
0122
0123         mdio0 {
0124                 #address-cells = <1>;
0125                 #size-cells = <0>;
0126                 compatible = "snps,dwmac-mdio";
0127                 phy0: ethernet-phy@0 {
0128                         reg = <0>;
0129                 };
0130         };
0131 };
0132
0133 &sdmmc1 {
0134         pinctrl-names = "default", "opendrain", "sleep";
0135         pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
0136         pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
0137         pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
0138         broken-cd;
0139         st,sig-dir;
0140         st,neg-edge;
0141         st,use-ckin;
0142         bus-width = <4>;
0143         vmmc-supply = <&v2v9_sd>;
0144         status = "okay";
0145 };
0146
0147 &usart1 {
0148         pinctrl-0 = <&usart1_pins>;
0149         pinctrl-names = "default";
0150         status = "okay";
0151 };
0152
0153 &usbotg_hs {
0154         pinctrl-0 = <&usbotg_hs_pins_a>;
0155         pinctrl-names = "default";
0156         phys = <&usbotg_hs_phy>;
0157         phy-names = "usb2-phy";
0158         dr_mode = "otg";
0159         status = "okay";
0160 };