[PATCH] dt-bindings: iio: adc: ti,ads1015: Document optional interrupt line

[Marek Vasut <marex@xxxxxxx>]

The ADS1015 can have optional IRQ line connected, document it in the DT bindings.

Signed-off-by: Marek Vasut <marex@xxxxxxx>
---
Cc: Alexandru Lazar <alazar@xxxxxxxxxxxxx>
Cc: Conor Dooley <conor+dt@xxxxxxxxxx>
Cc: Daniel Baluta <daniel.baluta@xxxxxxx>
Cc: Jonathan Cameron <jic23@xxxxxxxxxx>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski+dt@xxxxxxxxxx>
Cc: Lars-Peter Clausen <lars@xxxxxxxxxx>
Cc: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Cc: Marek Vasut <marex@xxxxxxx>
Cc: Rob Herring <robh+dt@xxxxxxxxxx>
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: linux-iio@xxxxxxxxxxxxxxx
---
 Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml b/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml
index e004659099c19..d605999ffe288 100644
--- a/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/ti,ads1015.yaml
@@ -23,6 +23,9 @@ properties:
   reg:
     maxItems: 1
 
+  interrupts:
+    maxItems: 1
+
   "#address-cells":
     const: 1
 
-- 
2.40.1