| /* |
| * Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com> |
| * |
| * This file is dual-licensed: you can use it either under the terms |
| * of the GPL or the X11 license, at your option. Note that this dual |
| * licensing only applies to this file, and not this project as a |
| * whole. |
| * |
| * a) This file is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation; either version 2 of the |
| * License, or (at your option) any later version. |
| * |
| * This file is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public |
| * License along with this file; if not, write to the Free |
| * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| * MA 02110-1301 USA |
| * |
| * Or, alternatively, |
| * |
| * b) Permission is hereby granted, free of charge, to any person |
| * obtaining a copy of this software and associated documentation |
| * files (the "Software"), to deal in the Software without |
| * restriction, including without limitation the rights to use, |
| * copy, modify, merge, publish, distribute, sublicense, and/or |
| * sell copies of the Software, and to permit persons to whom the |
| * Software is furnished to do so, subject to the following |
| * conditions: |
| * |
| * The above copyright notice and this permission notice shall be |
| * included in all copies or substantial portions of the Software. |
| * |
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
| * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES |
| * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
| * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT |
| * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, |
| * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
| * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| * OTHER DEALINGS IN THE SOFTWARE. |
| */ |
| |
| /dts-v1/; |
| #include "stm32f429.dtsi" |
| #include "stm32f429-pinctrl.dtsi" |
| #include <dt-bindings/input/input.h> |
| #include <dt-bindings/interrupt-controller/irq.h> |
| #include <dt-bindings/gpio/gpio.h> |
| |
| / { |
| model = "STMicroelectronics STM32F429i-DISCO board"; |
| compatible = "st,stm32f429i-disco", "st,stm32f429"; |
| |
| chosen { |
| bootargs = "root=/dev/ram"; |
| stdout-path = "serial0:115200n8"; |
| }; |
| |
| memory@90000000 { |
| device_type = "memory"; |
| reg = <0x90000000 0x800000>; |
| }; |
| |
| aliases { |
| serial0 = &usart1; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| led-red { |
| gpios = <&gpiog 14 0>; |
| }; |
| led-green { |
| gpios = <&gpiog 13 0>; |
| linux,default-trigger = "heartbeat"; |
| }; |
| }; |
| |
| gpio_keys { |
| compatible = "gpio-keys"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| autorepeat; |
| button@0 { |
| label = "User"; |
| linux,code = <KEY_HOME>; |
| gpios = <&gpioa 0 0>; |
| }; |
| }; |
| |
| /* This turns on vbus for otg for host mode (dwc2) */ |
| vcc5v_otg: vcc5v-otg-regulator { |
| compatible = "regulator-fixed"; |
| gpio = <&gpioc 4 0>; |
| regulator-name = "vcc5_host1"; |
| regulator-always-on; |
| }; |
| }; |
| |
| &clk_hse { |
| clock-frequency = <8000000>; |
| }; |
| |
| &crc { |
| status = "okay"; |
| }; |
| |
| &i2c3 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&i2c3_pins>; |
| clock-frequency = <100000>; |
| status = "okay"; |
| |
| stmpe811@41 { |
| compatible = "st,stmpe811"; |
| reg = <0x41>; |
| interrupts = <15 IRQ_TYPE_EDGE_FALLING>; |
| interrupt-parent = <&gpioa>; |
| /* 3.25 MHz ADC clock speed */ |
| st,adc-freq = <1>; |
| /* 12-bit ADC */ |
| st,mod-12b = <1>; |
| /* internal ADC reference */ |
| st,ref-sel = <0>; |
| /* ADC converstion time: 80 clocks */ |
| st,sample-time = <4>; |
| |
| stmpe_touchscreen { |
| compatible = "st,stmpe-ts"; |
| /* 8 sample average control */ |
| st,ave-ctrl = <3>; |
| /* 7 length fractional part in z */ |
| st,fraction-z = <7>; |
| /* |
| * 50 mA typical 80 mA max touchscreen drivers |
| * current limit value |
| */ |
| st,i-drive = <1>; |
| /* 1 ms panel driver settling time */ |
| st,settling = <3>; |
| /* 5 ms touch detect interrupt delay */ |
| st,touch-det-delay = <5>; |
| }; |
| |
| stmpe_adc { |
| compatible = "st,stmpe-adc"; |
| /* forbid to use ADC channels 3-0 (touch) */ |
| st,norequest-mask = <0x0F>; |
| }; |
| }; |
| }; |
| |
| <dc { |
| status = "okay"; |
| pinctrl-0 = <<dc_pins_b>; |
| pinctrl-names = "default"; |
| |
| port { |
| ltdc_out_rgb: endpoint { |
| remote-endpoint = <&panel_in_rgb>; |
| }; |
| }; |
| }; |
| |
| &rtc { |
| assigned-clocks = <&rcc 1 CLK_RTC>; |
| assigned-clock-parents = <&rcc 1 CLK_LSI>; |
| status = "okay"; |
| }; |
| |
| &spi5 { |
| status = "okay"; |
| pinctrl-0 = <&spi5_pins>; |
| pinctrl-names = "default"; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| cs-gpios = <&gpioc 1 GPIO_ACTIVE_LOW>, <&gpioc 2 GPIO_ACTIVE_LOW>; |
| |
| l3gd20: l3gd20@0 { |
| compatible = "st,l3gd20-gyro"; |
| spi-max-frequency = <10000000>; |
| st,drdy-int-pin = <2>; |
| interrupt-parent = <&gpioa>; |
| interrupts = <1 IRQ_TYPE_EDGE_RISING>, |
| <2 IRQ_TYPE_EDGE_RISING>; |
| reg = <0>; |
| status = "okay"; |
| }; |
| |
| display: display@1{ |
| /* Connect panel-ilitek-9341 to ltdc */ |
| compatible = "st,sf-tc240t-9370-t"; |
| reg = <1>; |
| spi-3wire; |
| spi-max-frequency = <10000000>; |
| dc-gpios = <&gpiod 13 0>; |
| port { |
| panel_in_rgb: endpoint { |
| remote-endpoint = <<dc_out_rgb>; |
| }; |
| }; |
| }; |
| }; |
| |
| &usart1 { |
| pinctrl-0 = <&usart1_pins_a>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |
| |
| &usbotg_hs { |
| compatible = "st,stm32f4x9-fsotg"; |
| dr_mode = "host"; |
| pinctrl-0 = <&usbotg_fs_pins_b>; |
| pinctrl-names = "default"; |
| status = "okay"; |
| }; |