michaelh/zephyr
1
0
Fork 0
Code Releases Activity

boards: add gpio, button and led support

Browse source 
Add gpio support for STM32MP257F-EV1 board.
Add the orange (&led0) LED to the device tree and enable GPIOJ.
Add the user button USER2 to the device tree and enable GPIOG.
This step allows building and debugging the blinky and button sample
applications.

Signed-off-by: Youssef Zini <youssef.zini@savoirfairelinux.com>
This commit is contained in:
Youssef Zini 2025-05-19 17:18:46 +02:00 • committed by Benjamin Cabé
commit 8bfb08fbda
2 changed files with 37 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

34
boards/st/stm32mp257f_ev1/stm32mp257f_ev1_stm32mp257fxx_m33.dts
View file

@ -6,6 +6,8 @@
/dts-v1/;
#include <st/mp2/stm32mp257_m33.dtsi>
#include <st/mp2/stm32mp257faix-pinctrl.dtsi>
#include <zephyr/dt-bindings/input/input-event-codes.h>
/ {
model = "STMicroelectronics STM32MP257F-EV1 board";
@ -15,8 +17,40 @@
zephyr,flash = &ddr_code;
zephyr,sram = &ddr_sys;
};
leds {
compatible = "gpio-leds";
orange_led_3: led_3 {
gpios = <&gpioj 6 GPIO_ACTIVE_HIGH>;
label = "LD3";
};
};
gpio_keys {
compatible = "gpio-keys";
button_user2: button2 {
label = "User 2";
gpios = <&gpiog 8 GPIO_ACTIVE_LOW>;
zephyr,code = <INPUT_KEY_0>;
};
};
aliases {
led0 = &orange_led_3;
sw0 = &button_user2;
};
};
&rcc {
clock-frequency = <DT_FREQ_M(400)>;
};
&gpiog {
status = "okay";
};
&gpioj {
status = "okay";
};

3
boards/st/stm32mp257f_ev1/stm32mp257f_ev1_stm32mp257fxx_m33_defconfig
View file

@ -4,5 +4,8 @@
# Enable MPU
CONFIG_ARM_MPU=y
# Enable GPIO
CONFIG_GPIO=y
# Enable HW stack protection
CONFIG_HW_STACK_PROTECTION=y