ARM: dts: stm32: add blue led (Linux heartbeat) on stm32mp135f-dk

The blue led (Linux heartbeat) is connected to the PA14 pin of the
stm32mp135f-dk board.

Signed-off-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>

diff --git a/arch/arm/boot/dts/stm32mp135f-dk.dts b/arch/arm/boot/dts/stm32mp135f-dk.dts
index aefa25e..65acee0 100644 (file)
--- 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 @@
                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";