Primary Git Repository for the Zephyr Project. Zephyr is a new generation, scalable, optimized, secure RTOS for multiple hardware architectures.
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/*
* Copyright (c) 2025 STMicroelectronics
*
* SPDX-License-Identifier: Apache-2.0
*/
/dts-v1/;
#include <st/mp13/stm32mp135.dtsi>
#include <st/mp13/stm32mp135faex-pinctrl.dtsi>
#include "zephyr/dt-bindings/display/panel.h"
#include <zephyr/dt-bindings/input/input-event-codes.h>
/ {
model = "STMicroelectronics STM32MP135-DK board";
compatible = "st,stm32mp135f-dk";
chosen {
zephyr,flash = &ddr_code;
zephyr,sram = &ddr_data;
zephyr,console = &uart4;
zephyr,shell-uart = &uart4;
zephyr,display = &ltdc;
};
gpio_keys {
compatible = "gpio-keys";
user_button: button {
label = "User 1";
gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
zephyr,code = <INPUT_KEY_0>;
};
};
leds {
compatible = "gpio-leds";
blue_led_1: led_1 {
gpios = <&gpioa 14 GPIO_ACTIVE_LOW>;
label = "LD3";
};
red_led_2: led_2 {
gpios = <&gpioa 13 GPIO_ACTIVE_LOW>;
label = "LD4";
};
green_led_3: led_3 {
gpios = <&mcp23017 14 GPIO_ACTIVE_HIGH>;
label = "LD7";
};
orange_led_4: led_4 {
gpios = <&mcp23017 15 GPIO_ACTIVE_HIGH>;
label = "LD6";
};
};
aliases {
led0 = &blue_led_1;
led1 = &red_led_2;
sw0 = &user_button;
};
};
&clk_hsi {
clock-frequency = <DT_FREQ_M(64)>;
status = "okay";
};
&clk_hse {
clock-frequency = <DT_FREQ_M(24)>;
status = "okay";
};
&cpusw {
clocks = <&clk_hsi>;
clock-frequency = <DT_FREQ_M(64)>;
status = "okay";
};
&pll1 {
clocks = <&clk_hse>;
div-m = <2>;
mul-n = <83>;
div-p = <1>;
fracn = <2730>;
status = "okay";
};
&rcc {
clock-frequency = <DT_FREQ_M(1000)>;
clocks = <&pll>;
ahb-prescaler = <1>;
apb1-prescaler = <1>;
apb2-prescaler = <1>;
};
&uart4 {
pinctrl-names = "default";
pinctrl-0 = <&uart4_tx_pd6 &uart4_rx_pd8>;
current-speed = <115200>;
status = "okay";
};
&i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&i2c1_scl_pd12 &i2c1_sda_pe8>;
status = "okay";
mcp23017: pinctrl@21 {
compatible = "microchip,mcp23017";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
ngpios = <16>;
};
};
&i2c4 {
pinctrl-names = "default";
pinctrl-0 = <&i2c4_scl_pe15 &i2c4_sda_pb9>;
status = "okay";
};
&i2c5 {
pinctrl-names = "default";
pinctrl-0 = <&i2c5_scl_pd1 &i2c5_sda_ph6>;
status = "okay";
};
&ltdc {
pinctrl-0 = <&ltdc_r2_pg7 &ltdc_r3_pb12
&ltdc_r4_pd14 &ltdc_r5_pe7 &ltdc_r6_pe13 &ltdc_r7_pe9
&ltdc_g2_ph13 &ltdc_g3_pf3
&ltdc_g4_pd5 &ltdc_g5_pg0 &ltdc_g6_pc7 &ltdc_g7_pa15
&ltdc_b2_pd10 &ltdc_b3_pf2
&ltdc_b4_ph14 &ltdc_b5_pe0 &ltdc_b6_pb6 &ltdc_b7_pf1
&ltdc_de_ph9 &ltdc_clk_pd9 &ltdc_hsync_pc6 &ltdc_vsync_pg4>;
pinctrl-names = "default";
disp-on-gpios = <&gpioi 7 GPIO_ACTIVE_HIGH>;
bl-ctrl-gpios = <&gpioe 12 GPIO_ACTIVE_HIGH>;
status = "okay";
width = <480>;
height = <272>;
pixel-format = <PANEL_PIXEL_FORMAT_RGB_565>;
display-timings {
compatible = "zephyr,panel-timing";
de-active = <0>;
pixelclk-active = <0>;
hsync-active = <0>;
vsync-active = <0>;
hsync-len = <41>;
vsync-len = <10>;
hback-porch = <13>;
vback-porch = <2>;
hfront-porch = <32>;
vfront-porch = <2>;
};
def-back-color-red = <0xFF>;
def-back-color-green = <0xFF>;
def-back-color-blue = <0xFF>;
};