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-rw-r--r--Documentation/devicetree/bindings/input/gpio-keys-polled.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys-polled.txt b/Documentation/devicetree/bindings/input/gpio-keys-polled.txt
index 97e2467181e9..95d0fb11a787 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys-polled.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys-polled.txt
@@ -28,6 +28,7 @@ Optional subnode-properties:
- debounce-interval: Debouncing interval time in milliseconds.
If not specified defaults to 5.
- wakeup-source: Boolean, button can wake-up the system.
+ (Legacy property supported: "gpio-key,wakeup")
Example nodes: