arch/arm/boot/dts/st/stm32f769-disco.dts

   1 /*
   2  * Copyright 2017 - Vikas MANOCHA <[email protected]>
   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 "stm32f769.dtsi"
  45 #include "stm32f769-pinctrl.dtsi"
  46 #include <dt-bindings/input/input.h>
  47 #include <dt-bindings/gpio/gpio.h>
  48
  49 / {
  50         model = "STMicroelectronics STM32F769-DISCO board";
  51         compatible = "st,stm32f769-disco", "st,stm32f769";
  52
  53         chosen {
  54                 bootargs = "root=/dev/ram";
  55                 stdout-path = "serial0:115200n8";
  56         };
  57
  58         memory@c0000000 {
  59                 device_type = "memory";
  60                 reg = <0xC0000000 0x1000000>;
  61         };
  62
  63         reserved-memory {
  64                 #address-cells = <1>;
  65                 #size-cells = <1>;
  66                 ranges;
  67
  68                 linux,dma {
  69                         compatible = "shared-dma-pool";
  70                         linux,dma-default;
  71                         no-map;
  72                         size = <0x100000>;
  73                 };
  74         };
  75
  76         aliases {
  77                 serial0 = &usart1;
  78         };
  79
  80         leds {
  81                 compatible = "gpio-leds";
  82                 led-green {
  83                         gpios = <&gpioj 5 GPIO_ACTIVE_HIGH>;
  84                         linux,default-trigger = "heartbeat";
  85                 };
  86                 led-red {
  87                         gpios = <&gpioj 13 GPIO_ACTIVE_HIGH>;
  88                 };
  89         };
  90
  91         gpio-keys {
  92                 compatible = "gpio-keys";
  93                 autorepeat;
  94                 button-0 {
  95                         label = "User";
  96                         linux,code = <KEY_HOME>;
  97                         gpios = <&gpioa 0 GPIO_ACTIVE_HIGH>;
  98                 };
  99         };
 100
 101         usbotg_hs_phy: usb-phy {
 102                 #phy-cells = <0>;
 103                 compatible = "usb-nop-xceiv";
 104                 clocks = <&rcc 0 STM32F7_AHB1_CLOCK(OTGHSULPI)>;
 105                 clock-names = "main_clk";
 106         };
 107
 108         vcc_3v3: vcc-3v3 {
 109                 compatible = "regulator-fixed";
 110                 regulator-name = "vcc_3v3";
 111                 regulator-min-microvolt = <3300000>;
 112                 regulator-max-microvolt = <3300000>;
 113         };
 114 };
 115
 116 &rcc {
 117         compatible = "st,stm32f769-rcc", "st,stm32f746-rcc", "st,stm32-rcc";
 118 };
 119
 120 &cec {
 121         pinctrl-0 = <&cec_pins_a>;
 122         pinctrl-names = "default";
 123         status = "okay";
 124 };
 125
 126 &clk_hse {
 127         clock-frequency = <25000000>;
 128 };
 129
 130 &dsi {
 131         #address-cells = <1>;
 132         #size-cells = <0>;
 133         status = "okay";
 134
 135         ports {
 136                 #address-cells = <1>;
 137                 #size-cells = <0>;
 138
 139                 port@0 {
 140                         reg = <0>;
 141                         dsi_in: endpoint {
 142                                 remote-endpoint = <&ltdc_out_dsi>;
 143                         };
 144                 };
 145
 146                 port@1 {
 147                         reg = <1>;
 148                         dsi_out: endpoint {
 149                                 remote-endpoint = <&dsi_panel_in>;
 150                         };
 151                 };
 152         };
 153
 154         panel0: panel@0 {
 155                 compatible = "orisetech,otm8009a";
 156                 reg = <0>; /* dsi virtual channel (0..3) */
 157                 reset-gpios = <&gpioj 15 GPIO_ACTIVE_LOW>;
 158                 power-supply = <&vcc_3v3>;
 159                 status = "okay";
 160
 161                 port {
 162                         dsi_panel_in: endpoint {
 163                                 remote-endpoint = <&dsi_out>;
 164                         };
 165                 };
 166         };
 167 };
 168
 169 &i2c1 {
 170         pinctrl-0 = <&i2c1_pins_b>;
 171         pinctrl-names = "default";
 172         i2c-scl-rising-time-ns = <185>;
 173         i2c-scl-falling-time-ns = <20>;
 174         status = "okay";
 175 };
 176
 177 &ltdc {
 178         status = "okay";
 179
 180         port {
 181                 ltdc_out_dsi: endpoint {
 182                         remote-endpoint = <&dsi_in>;
 183                 };
 184         };
 185 };
 186
 187 &rtc {
 188         status = "okay";
 189 };
 190
 191 &sdio2 {
 192         status = "okay";
 193         vmmc-supply = <&vcc_3v3>;
 194         cd-gpios = <&gpioi 15 GPIO_ACTIVE_LOW>;
 195         broken-cd;
 196         pinctrl-names = "default", "opendrain", "sleep";
 197         pinctrl-0 = <&sdio_pins_b>;
 198         pinctrl-1 = <&sdio_pins_od_b>;
 199         pinctrl-2 = <&sdio_pins_sleep_b>;
 200         bus-width = <4>;
 201 };
 202
 203 &timers5 {
 204         /* Override timer5 to act as clockevent */
 205         compatible = "st,stm32-timer";
 206         interrupts = <50>;
 207         status = "okay";
 208         /delete-property/#address-cells;
 209         /delete-property/#size-cells;
 210         /delete-property/clock-names;
 211         /delete-node/pwm;
 212         /delete-node/timer@4;
 213 };
 214
 215 &usart1 {
 216         pinctrl-0 = <&usart1_pins_a>;
 217         pinctrl-names = "default";
 218         status = "okay";
 219 };
 220
 221 &usbotg_hs {
 222         dr_mode = "otg";
 223         phys = <&usbotg_hs_phy>;
 224         phy-names = "usb2-phy";
 225         pinctrl-0 = <&usbotg_hs_pins_a>;
 226         pinctrl-names = "default";
 227         status = "okay";
 228 };