The blue led (Linux heartbeat) is connected to the PA14 pin of the stm32mp135f-dk board. Signed-off-by: Fabien Dessenne <fabien.dessenne@xxxxxxxxxxx> --- arch/arm/boot/dts/stm32mp135f-dk.dts | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts index aefa25ee897d..65acee0f68b7 100644 --- a/arch/arm/boot/dts/stm32mp135f-dk.dts +++ b/arch/arm/boot/dts/stm32mp135f-dk.dts @@ -6,6 +6,8 @@ /dts-v1/; +#include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/leds/common.h> #include "stm32mp135.dtsi" #include "stm32mp13xf.dtsi" #include "stm32mp13-pinctrl.dtsi" @@ -23,6 +25,18 @@ memory@c0000000 { reg = <0xc0000000 0x20000000>; }; + leds { + compatible = "gpio-leds"; + + led-blue { + function = LED_FUNCTION_HEARTBEAT; + color = <LED_COLOR_ID_BLUE>; + gpios = <&gpioa 14 GPIO_ACTIVE_LOW>; + linux,default-trigger = "heartbeat"; + default-state = "off"; + }; + }; + vdd_sd: vdd-sd { compatible = "regulator-fixed"; regulator-name = "vdd_sd"; -- 2.25.1