1/* 2 * Copyright 2017 - Vikas MANOCHA <vikas.manocha@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 "stm32f746.dtsi" 45#include "stm32f746-pinctrl.dtsi" 46#include <dt-bindings/gpio/gpio.h> 47#include <dt-bindings/input/input.h> 48#include <dt-bindings/interrupt-controller/irq.h> 49 50/ { 51 model = "STMicroelectronics STM32F746-DISCO board"; 52 compatible = "st,stm32f746-disco", "st,stm32f746"; 53 54 chosen { 55 bootargs = "root=/dev/ram"; 56 stdout-path = "serial0:115200n8"; 57 }; 58 59 memory@c0000000 { 60 device_type = "memory"; 61 reg = <0xC0000000 0x800000>; 62 }; 63 64 aliases { 65 serial0 = &usart1; 66 }; 67 68 usbotg_hs_phy: usb-phy { 69 #phy-cells = <0>; 70 compatible = "usb-nop-xceiv"; 71 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>; 72 clock-names = "main_clk"; 73 }; 74 75 /* This turns on vbus for otg fs for host mode (dwc2) */ 76 vcc5v_otg_fs: vcc5v-otg-fs-regulator { 77 compatible = "regulator-fixed"; 78 gpio = <&gpiod 5 0>; 79 regulator-name = "vcc5_host1"; 80 regulator-always-on; 81 }; 82 83 mmc_vcard: mmc_vcard { 84 compatible = "regulator-fixed"; 85 regulator-name = "mmc_vcard"; 86 regulator-min-microvolt = <3300000>; 87 regulator-max-microvolt = <3300000>; 88 }; 89}; 90 91&clk_hse { 92 clock-frequency = <25000000>; 93}; 94 95&i2c1 { 96 pinctrl-0 = <&i2c1_pins_b>; 97 pinctrl-names = "default"; 98 i2c-scl-rising-time-ns = <185>; 99 i2c-scl-falling-time-ns = <20>; 100 status = "okay"; 101}; 102 103&i2c3 { 104 pinctrl-0 = <&i2c3_pins_a>; 105 pinctrl-names = "default"; 106 clock-frequency = <400000>; 107 status = "okay"; 108 109 touchscreen@38 { 110 compatible = "edt,edt-ft5306"; 111 reg = <0x38>; 112 interrupt-parent = <&gpioi>; 113 interrupts = <13 IRQ_TYPE_EDGE_FALLING>; 114 touchscreen-size-x = <480>; 115 touchscreen-size-y = <272>; 116 }; 117}; 118 119&sdio1 { 120 status = "okay"; 121 vmmc-supply = <&mmc_vcard>; 122 cd-gpios = <&gpioc 13 GPIO_ACTIVE_LOW>; 123 pinctrl-names = "default", "opendrain"; 124 pinctrl-0 = <&sdio_pins_a>; 125 pinctrl-1 = <&sdio_pins_od_a>; 126 bus-width = <4>; 127}; 128 129&timers5 { 130 /* Override timer5 to act as clockevent */ 131 compatible = "st,stm32-timer"; 132 interrupts = <50>; 133 status = "okay"; 134 /delete-property/#address-cells; 135 /delete-property/#size-cells; 136 /delete-property/clock-names; 137 /delete-node/pwm; 138 /delete-node/timer@4; 139}; 140 141&usart1 { 142 pinctrl-0 = <&usart1_pins_b>; 143 pinctrl-names = "default"; 144 status = "okay"; 145}; 146 147&usbotg_fs { 148 dr_mode = "host"; 149 pinctrl-0 = <&usbotg_fs_pins_a>; 150 pinctrl-names = "default"; 151 status = "okay"; 152}; 153 154&usbotg_hs { 155 dr_mode = "host"; 156 phys = <&usbotg_hs_phy>; 157 phy-names = "usb2-phy"; 158 pinctrl-0 = <&usbotg_hs_pins_b>; 159 pinctrl-names = "default"; 160 status = "okay"; 161}; 162