diff options
Diffstat (limited to 'arch/arm/boot/dts/st/stm32f429-disco.dts')
| -rw-r--r-- | arch/arm/boot/dts/st/stm32f429-disco.dts | 232 |
1 files changed, 232 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/st/stm32f429-disco.dts b/arch/arm/boot/dts/st/stm32f429-disco.dts new file mode 100644 index 000000000000..a3cb4aabdd5a --- /dev/null +++ b/arch/arm/boot/dts/st/stm32f429-disco.dts @@ -0,0 +1,232 @@ +/* + * 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"; + 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", "ilitek,ili9341"; + reg = <1>; + spi-3wire; + spi-max-frequency = <10000000>; + dc-gpios = <&gpiod 13 0>; + port { + panel_in_rgb: endpoint { + remote-endpoint = <<dc_out_rgb>; + }; + }; + }; +}; + +&timers5 { + /* Override timer5 to act as clockevent */ + compatible = "st,stm32-timer"; + interrupts = <50>; + status = "okay"; + /delete-property/#address-cells; + /delete-property/#size-cells; + /delete-property/clock-names; + /delete-node/pwm; + /delete-node/timer@4; +}; + +&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"; +}; |