1 /*
2 * Copyright 2017 - Alexandre Torgue <alexandre.torgue@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-EVAL board";
49 compatible = "st,stm32h743i-eval", "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 = &usart1;
63 };
64
65 vdda: regulator-vdda {
66 compatible = "regulator-fixed";
67 regulator-name = "vdda";
68 regulator-min-microvolt = <3300000>;
69 regulator-max-microvolt = <3300000>;
70 regulator-always-on;
71 };
72
73 v2v9_sd: regulator-v2v9_sd {
74 compatible = "regulator-fixed";
75 regulator-name = "v2v9_sd";
76 regulator-min-microvolt = <2900000>;
77 regulator-max-microvolt = <2900000>;
78 regulator-always-on;
79 };
80
81 usbotg_hs_phy: usb-phy {
82 #phy-cells = <0>;
83 compatible = "usb-nop-xceiv";
84 clocks = <&rcc USB1ULPI_CK>;
85 clock-names = "main_clk";
86 };
87 };
88
89 &adc_12 {
90 vdda-supply = <&vdda>;
91 vref-supply = <&vdda>;
92 status = "okay";
93 adc1: adc@0 {
94 /* potentiometer */
95 st,adc-channels = <0>;
96 status = "okay";
97 };
98 };
99
100 &clk_hse {
101 clock-frequency = <25000000>;
102 };
103
104 &i2c1 {
105 pinctrl-0 = <&i2c1_pins_a>;
106 pinctrl-names = "default";
107 i2c-scl-rising-time-ns = <185>;
108 i2c-scl-falling-time-ns = <20>;
109 status = "okay";
110 };
111
112 &rtc {
113 status = "okay";
114 };
115
116 &mac {
117 status = "disabled";
118 pinctrl-0 = <ðernet_rmii>;
119 pinctrl-names = "default";
120 phy-mode = "rmii";
121 phy-handle = <&phy0>;
122
123 mdio0 {
124 #address-cells = <1>;
125 #size-cells = <0>;
126 compatible = "snps,dwmac-mdio";
127 phy0: ethernet-phy@0 {
128 reg = <0>;
129 };
130 };
131 };
132
133 &sdmmc1 {
134 pinctrl-names = "default", "opendrain", "sleep";
135 pinctrl-0 = <&sdmmc1_b4_pins_a &sdmmc1_dir_pins_a>;
136 pinctrl-1 = <&sdmmc1_b4_od_pins_a &sdmmc1_dir_pins_a>;
137 pinctrl-2 = <&sdmmc1_b4_sleep_pins_a &sdmmc1_dir_sleep_pins_a>;
138 broken-cd;
139 st,sig-dir;
140 st,neg-edge;
141 st,use-ckin;
142 bus-width = <4>;
143 vmmc-supply = <&v2v9_sd>;
144 status = "okay";
145 };
146
147 &usart1 {
148 pinctrl-0 = <&usart1_pins>;
149 pinctrl-names = "default";
150 status = "okay";
151 };
152
153 &usbotg_hs {
154 pinctrl-0 = <&usbotg_hs_pins_a>;
155 pinctrl-names = "default";
156 phys = <&usbotg_hs_phy>;
157 phy-names = "usb2-phy";
158 dr_mode = "otg";
159 status = "okay";
160 };
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