stm32f429-disco.dts

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    1 /*
    2  * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.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  *     You should have received a copy of the GNU General Public
   20  *     License along with this file; if not, write to the Free
   21  *     Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   22  *     MA 02110-1301 USA
   23  *
   24  * Or, alternatively,
   25  *
   26  *  b) Permission is hereby granted, free of charge, to any person
   27  *     obtaining a copy of this software and associated documentation
   28  *     files (the "Software"), to deal in the Software without
   29  *     restriction, including without limitation the rights to use,
   30  *     copy, modify, merge, publish, distribute, sublicense, and/or
   31  *     sell copies of the Software, and to permit persons to whom the
   32  *     Software is furnished to do so, subject to the following
   33  *     conditions:
   34  *
   35  *     The above copyright notice and this permission notice shall be
   36  *     included in all copies or substantial portions of the Software.
   37  *
   38  *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   39  *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
   40  *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   41  *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
   42  *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
   43  *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
   44  *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
   45  *     OTHER DEALINGS IN THE SOFTWARE.
   46  */
   47 
   48 /dts-v1/;
   49 #include "stm32f429.dtsi"
   50 #include "stm32f429-pinctrl.dtsi"
   51 #include <dt-bindings/input/input.h>
   52 #include <dt-bindings/interrupt-controller/irq.h>
   53 #include <dt-bindings/gpio/gpio.h>
   54 
   55 / {
   56         model = "STMicroelectronics STM32F429i-DISCO board";
   57         compatible = "st,stm32f429i-disco", "st,stm32f429";
   58 
   59         chosen {
   60                 bootargs = "root=/dev/ram";
   61                 stdout-path = "serial0:115200n8";
   62         };
   63 
   64         memory@90000000 {
   65                 device_type = "memory";
   66                 reg = <0x90000000 0x800000>;
   67         };
   68 
   69         aliases {
   70                 serial0 = &usart1;
   71         };
   72 
   73         leds {
   74                 compatible = "gpio-leds";
   75                 led-red {
   76                         gpios = <&gpiog 14 0>;
   77                 };
   78                 led-green {
   79                         gpios = <&gpiog 13 0>;
   80                         linux,default-trigger = "heartbeat";
   81                 };
   82         };
   83 
   84         gpio-keys {
   85                 compatible = "gpio-keys";
   86                 autorepeat;
   87                 button-0 {
   88                         label = "User";
   89                         linux,code = <KEY_HOME>;
   90                         gpios = <&gpioa 0 0>;
   91                 };
   92         };
   93 
   94         /* This turns on vbus for otg for host mode (dwc2) */
   95         vcc5v_otg: vcc5v-otg-regulator {
   96                 compatible = "regulator-fixed";
   97                 gpio = <&gpioc 4 0>;
   98                 regulator-name = "vcc5_host1";
   99                 regulator-always-on;
  100         };
  101 };
  102 
  103 &clk_hse {
  104         clock-frequency = <8000000>;
  105 };
  106 
  107 &crc {
  108         status = "okay";
  109 };
  110 
  111 &i2c3 {
  112         pinctrl-names = "default";
  113         pinctrl-0 = <&i2c3_pins>;
  114         clock-frequency = <100000>;
  115         status = "okay";
  116 
  117         stmpe811@41 {
  118                 compatible = "st,stmpe811";
  119                 reg = <0x41>;
  120                 interrupts = <15 IRQ_TYPE_EDGE_FALLING>;
  121                 interrupt-parent = <&gpioa>;
  122                 /* 3.25 MHz ADC clock speed */
  123                 st,adc-freq = <1>;
  124                 /* 12-bit ADC */
  125                 st,mod-12b = <1>;
  126                 /* internal ADC reference */
  127                 st,ref-sel = <0>;
  128                 /* ADC converstion time: 80 clocks */
  129                 st,sample-time = <4>;
  130 
  131                 stmpe_touchscreen {
  132                         compatible = "st,stmpe-ts";
  133                         /* 8 sample average control */
  134                         st,ave-ctrl = <3>;
  135                         /* 7 length fractional part in z */
  136                         st,fraction-z = <7>;
  137                         /*
  138                          * 50 mA typical 80 mA max touchscreen drivers
  139                          * current limit value
  140                          */
  141                         st,i-drive = <1>;
  142                         /* 1 ms panel driver settling time */
  143                         st,settling = <3>;
  144                         /* 5 ms touch detect interrupt delay */
  145                         st,touch-det-delay = <5>;
  146                 };
  147 
  148                 stmpe_adc {
  149                         compatible = "st,stmpe-adc";
  150                         /* forbid to use ADC channels 3-0 (touch) */
  151                         st,norequest-mask = <0x0F>;
  152                 };
  153         };
  154 };
  155 
  156 &ltdc {
  157         status = "okay";
  158         pinctrl-0 = <&ltdc_pins_b>;
  159         pinctrl-names = "default";
  160 
  161         port {
  162                 ltdc_out_rgb: endpoint {
  163                         remote-endpoint = <&panel_in_rgb>;
  164                 };
  165         };
  166 };
  167 
  168 &rtc {
  169         assigned-clocks = <&rcc 1 CLK_RTC>;
  170         assigned-clock-parents = <&rcc 1 CLK_LSI>;
  171         status = "okay";
  172 };
  173 
  174 &spi5 {
  175         status = "okay";
  176         pinctrl-0 = <&spi5_pins>;
  177         pinctrl-names = "default";
  178         #address-cells = <1>;
  179         #size-cells = <0>;
  180         cs-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>, <&gpioc 2 GPIO_ACTIVE_LOW>;
  181 
  182         l3gd20: l3gd20@0 {
  183                 compatible = "st,l3gd20-gyro";
  184                 spi-max-frequency = <10000000>;
  185                 st,drdy-int-pin = <2>;
  186                 interrupt-parent = <&gpioa>;
  187                 interrupts = <1 IRQ_TYPE_EDGE_RISING>,
  188                                 <2 IRQ_TYPE_EDGE_RISING>;
  189                 reg = <0>;
  190                 status = "okay";
  191         };
  192 
  193         display: display@1{
  194                 /* Connect panel-ilitek-9341 to ltdc */
  195                 compatible = "st,sf-tc240t-9370-t", "ilitek,ili9341";
  196                 reg = <1>;
  197                 spi-3wire;
  198                 spi-max-frequency = <10000000>;
  199                 dc-gpios = <&gpiod 13 0>;
  200                 port {
  201                         panel_in_rgb: endpoint {
  202                         remote-endpoint = <&ltdc_out_rgb>;
  203                         };
  204                 };
  205         };
  206 };
  207 
  208 &timers5 {
  209         /* Override timer5 to act as clockevent */
  210         compatible = "st,stm32-timer";
  211         interrupts = <50>;
  212         status = "okay";
  213         /delete-property/#address-cells;
  214         /delete-property/#size-cells;
  215         /delete-property/clock-names;
  216         /delete-node/pwm;
  217         /delete-node/timer@4;
  218 };
  219 
  220 &usart1 {
  221         pinctrl-0 = <&usart1_pins_a>;
  222         pinctrl-names = "default";
  223         status = "okay";
  224 };
  225 
  226 &usbotg_hs {
  227         compatible = "st,stm32f4x9-fsotg";
  228         dr_mode = "host";
  229         pinctrl-0 = <&usbotg_fs_pins_b>;
  230         pinctrl-names = "default";
  231         status = "okay";
  232 };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/src/arm/stm32f429-disco.dts

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sys/contrib/device-tree/src/arm/stm32f429-disco.dts