1/*
2 * Copyright 2016 - Michael Kurz <michi.kurz@gmail.com>
3 *
4 * Based on:
5 * stm32f469-disco.dts from Linux
6 * Copyright 2016 - Lee Jones <lee.jones@linaro.org>
7 *
8 * This file is dual-licensed: you can use it either under the terms
9 * of the GPL or the X11 license, at your option. Note that this dual
10 * licensing only applies to this file, and not this project as a
11 * whole.
12 *
13 *  a) This file is free software; you can redistribute it and/or
14 *     modify it under the terms of the GNU General Public License as
15 *     published by the Free Software Foundation; either version 2 of the
16 *     License, or (at your option) any later version.
17 *
18 *     This file is distributed in the hope that it will be useful,
19 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
20 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
21 *     GNU General Public License for more details.
22 *
23 * Or, alternatively,
24 *
25 *  b) Permission is hereby granted, free of charge, to any person
26 *     obtaining a copy of this software and associated documentation
27 *     files (the "Software"), to deal in the Software without
28 *     restriction, including without limitation the rights to use,
29 *     copy, modify, merge, publish, distribute, sublicense, and/or
30 *     sell copies of the Software, and to permit persons to whom the
31 *     Software is furnished to do so, subject to the following
32 *     conditions:
33 *
34 *     The above copyright notice and this permission notice shall be
35 *     included in all copies or substantial portions of the Software.
36 *
37 *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
38 *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
39 *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
40 *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
41 *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
42 *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
43 *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
44 *     OTHER DEALINGS IN THE SOFTWARE.
45 */
46
47/dts-v1/;
48#include "stm32f746.dtsi"
49
50/ {
51	model = "STMicroelectronics STM32F746-DISCO board";
52	compatible = "st,stm32f746-disco", "st,stm32f746";
53
54	chosen {
55		bootargs = "root=/dev/ram rdinit=/linuxrc";
56		stdout-path = "serial0:115200n8";
57	};
58
59	memory {
60		reg = <0xC0000000 0x800000>;
61	};
62
63	aliases {
64		serial0 = &usart1;
65		spi0 = &qspi;
66	};
67};
68
69&clk_hse {
70	clock-frequency = <25000000>;
71};
72
73&usart1 {
74	pinctrl-0 = <&usart1_pins_a>;
75	pinctrl-names = "default";
76	status = "okay";
77};
78
79&mac {
80	status = "okay";
81	pinctrl-0 = <&ethernet_mii>;
82	phy-mode = "rmii";
83	phy-handle = <&phy0>;
84
85	mdio0 {
86		#address-cells = <1>;
87		#size-cells = <0>;
88		compatible = "snps,dwmac-mdio";
89		phy0: ethernet-phy@0 {
90			reg = <0>;
91		};
92	};
93};
94
95&qspi {
96	pinctrl-0 = <&qspi_pins>;
97	status = "okay";
98
99	qflash0: n25q128a {
100			#address-cells = <1>;
101			#size-cells = <1>;
102			compatible = "micron,n25q128a13", "spi-flash";
103			spi-max-frequency = <108000000>;
104			spi-tx-bus-width = <1>;
105			spi-rx-bus-width = <1>;
106			memory-map = <0x90000000 0x1000000>;
107			reg = <0>;
108	};
109};
110