1 files changed, 7 insertions, 3 deletions

diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
index a4a38fcf2ed6..44b705767aca 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
@@ -10,12 +10,13 @@ Optional properties:
 Each button (key) is represented as a sub-node of "gpio-keys":
 Subnode properties:
 
+        - gpios: OF device-tree gpio specification.
+        - interrupts: the interrupt line for that input.
         - label: Descriptive name of the key.
         - linux,code: Keycode to emit.
 
-Required mutual exclusive subnode-properties:
-        - gpios: OF device-tree gpio specification.
-        - interrupts: the interrupt line for that input
+Note that either "interrupts" or "gpios" properties can be omitted, but not
+both at the same time. Specifying both properties is allowed.
 
 Optional subnode-properties:
         - linux,input-type: Specify event type this button/key generates.
@@ -23,6 +24,9 @@ Optional subnode-properties:
         - debounce-interval: Debouncing interval time in milliseconds.
           If not specified defaults to 5.
         - gpio-key,wakeup: Boolean, button can wake-up the system.
+        - linux,can-disable: Boolean, indicates that button is connected
+          to dedicated (not shared) interrupt which can be disabled to
+          suppress events from the button.
 
 Example nodes: