[PATCH] dt-bindings: input: atmel,maxtouch: add wakeup-source

[Krzysztof Kozlowski]

The touchscreen can be a wake up source and it's being used in DTS:

  arch/arm/boot/dts/exynos5250-spring.dt.yaml:
    trackpad at 4b: 'wakeup-source' does not match any of the regexes: 'pinctrl-[0-9]+'

Signed-off-by: Krzysztof Kozlowski <krzk at kernel.org>
---
 Documentation/devicetree/bindings/input/atmel,maxtouch.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
index 8c6418f76e94..eb69a8fc8498 100644
--- a/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
+++ b/Documentation/devicetree/bindings/input/atmel,maxtouch.yaml
@@ -53,6 +53,9 @@ properties:
       or experiment to determine which bit corresponds to which input. Use
       KEY_RESERVED for unused padding values.
 
+  wakeup-source:
+    type: boolean
+
 required:
   - compatible
   - reg
-- 
2.25.1