xref: /rk3399_rockchip-uboot/arch/arm/dts/stm32f746.dtsi (revision bf1ae4426b89bd8b3e036e012acc4bc88fec4c6e)
1/*
2 * Copyright 2016 - Michael Kurz <michi.kurz@gmail.com>
3 *
4 * Based on:
5 * stm32f429.dtsi from Linux
6 * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
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#include "armv7-m.dtsi"
48#include <dt-bindings/pinctrl/stm32f746-pinfunc.h>
49
50/ {
51	clocks {
52		clk_hse: clk-hse {
53			#clock-cells = <0>;
54			compatible = "fixed-clock";
55			clock-frequency = <0>;
56		};
57};
58
59	soc {
60		u-boot,dm-pre-reloc;
61		mac: ethernet@40028000 {
62			compatible = "st,stm32-dwmac";
63			reg = <0x40028000 0x8000>;
64			reg-names = "stmmaceth";
65			interrupts = <61>, <62>;
66			interrupt-names = "macirq", "eth_wake_irq";
67			snps,pbl = <8>;
68			snps,mixed-burst;
69			dma-ranges;
70			status = "disabled";
71		};
72
73		qspi: quadspi@A0001000 {
74			compatible = "st,stm32-qspi";
75			#address-cells = <1>;
76			#size-cells = <0>;
77			reg = <0xA0001000 0x1000>, <0x90000000 0x10000000>;
78			reg-names = "QuadSPI", "QuadSPI-memory";
79			interrupts = <92>;
80			spi-max-frequency = <108000000>;
81			clocks = <&rcc 0 65>;
82			status = "disabled";
83		};
84		usart1: serial@40011000 {
85			compatible = "st,stm32-usart", "st,stm32-uart";
86			reg = <0x40011000 0x400>;
87			interrupts = <37>;
88			clocks = <&rcc 0 164>;
89			status = "disabled";
90			u-boot,dm-pre-reloc;
91		};
92		rcc: rcc@40023810 {
93			#reset-cells = <1>;
94			#clock-cells = <2>;
95			compatible = "st,stm32f42xx-rcc", "st,stm32-rcc";
96			reg = <0x40023800 0x400>;
97			clocks = <&clk_hse>;
98			u-boot,dm-pre-reloc;
99		};
100
101		pinctrl: pin-controller {
102			#address-cells = <1>;
103			#size-cells = <1>;
104			compatible = "st,stm32f746-pinctrl";
105			ranges = <0 0x40020000 0x3000>;
106			u-boot,dm-pre-reloc;
107			pins-are-numbered;
108
109			usart1_pins_a: usart1@0 {
110				pins1 {
111					pinmux = <STM32F746_PA9_FUNC_USART1_TX>;
112					bias-disable;
113					drive-push-pull;
114					slew-rate = <2>;
115				};
116				pins2 {
117					pinmux = <STM32F746_PB7_FUNC_USART1_RX>;
118					bias-disable;
119				};
120			};
121			ethernet_mii: mii@0 {
122				pins {
123					pinmux = <STM32F746_PG13_FUNC_ETH_MII_TXD0_ETH_RMII_TXD0>,
124						 <STM32F746_PG14_FUNC_ETH_MII_TXD1_ETH_RMII_TXD1>,
125						 <STM32F746_PG11_FUNC_ETH_MII_TX_EN_ETH_RMII_TX_EN>,
126						 <STM32F746_PA2_FUNC_ETH_MDIO>,
127						 <STM32F746_PC1_FUNC_ETH_MDC>,
128						 <STM32F746_PA1_FUNC_ETH_MII_RX_CLK_ETH_RMII_REF_CLK>,
129						 <STM32F746_PA7_FUNC_ETH_MII_RX_DV_ETH_RMII_CRS_DV>,
130						 <STM32F746_PC4_FUNC_ETH_MII_RXD0_ETH_RMII_RXD0>,
131						 <STM32F746_PC5_FUNC_ETH_MII_RXD1_ETH_RMII_RXD1>;
132					slew-rate = <2>;
133				};
134			};
135			qspi_pins: qspi@0{
136				pins {
137					pinmux = <STM32F746_PB2_FUNC_QUADSPI_CLK>,
138						 <STM32F746_PB6_FUNC_QUADSPI_BK1_NCS>,
139						 <STM32F746_PD11_FUNC_QUADSPI_BK1_IO0>,
140						 <STM32F746_PD12_FUNC_QUADSPI_BK1_IO1>,
141						 <STM32F746_PD13_FUNC_QUADSPI_BK1_IO3>,
142						 <STM32F746_PE2_FUNC_QUADSPI_BK1_IO2>;
143					slew-rate = <2>;
144				};
145			};
146		};
147	};
148};
149
150&systick {
151	status = "okay";
152};
153