dt-bindings: leds: aw2013: Document interrupt

AW2013 has an optional interrupt pin "INTN" which is used to report
completion of started operations (e.g. power up or LED breath effects).
The driver does not use it (yet) but it should be described for
completeness inside the DT schema.

Signed-off-by: Stephan Gerhold <[email protected]>
Reviewed-by: Krzysztof Kozlowski <[email protected]>
Reviewed-by: Nikita Travkin <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Lee Jones <[email protected]>

Author: stephan-gh

Documentation/devicetree/bindings/leds/leds-aw2013.yaml

@@ -20,6 +20,11 @@ properties:
   reg:
     maxItems: 1
 
+  interrupts:
+    maxItems: 1
+    description: Open-drain, low active interrupt pin "INTN".
+      Used to report completion of operations (power up, LED breath effects).
+
   vcc-supply:
     description: Regulator providing power to the "VCC" pin.
 
@@ -52,6 +57,7 @@ additionalProperties: false
 examples:
   - |
     #include <dt-bindings/gpio/gpio.h>
+    #include <dt-bindings/interrupt-controller/irq.h>
     #include <dt-bindings/leds/common.h>
 
     i2c {
@@ -61,6 +67,7 @@ examples:
         led-controller@45 {
             compatible = "awinic,aw2013";
             reg = <0x45>;
+            interrupts = <42 IRQ_TYPE_LEVEL_LOW>;
             #address-cells = <1>;
             #size-cells = <0>;