dt-bindings: input: add settling-time-us common property

Add common property that can be reused by other bindings.

Reviewed-by: Rob Herring (Arm) <[email protected]>
Signed-off-by: Hugo Villeneuve <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Dmitry Torokhov <[email protected]>

Author: hvilleneuvedoo

Documentation/devicetree/bindings/input/input.yaml

@@ -66,6 +66,14 @@ properties:
       reset automatically. Device with key pressed reset feature can specify
       this property.
 
+  settling-time-us:
+    description:
+      Delay, in microseconds, when activating an output line/col/row before
+      we can reliably read other input lines that maybe affected by this
+      output. This can be the case for an output with a RC circuit that affects
+      ramp-up/down times.
+    default: 0
+
 dependencies:
   linux,input-type: [ "linux,code" ]