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// SPDX-License-Identifier: GPL-2.0+ OR X11
/*
* Copyright 2015 - Maxime Coquelin <mcoquelin.stm32@gmail.com>
*/
/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";
};
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