[PATCH v3 2/4] dt-bindings: input: add settling-time-us common property

[Hugo Villeneuve]

From: Hugo Villeneuve <hvilleneuve at dimonoff.com>

Add common property that can be reused by other bindings.

Signed-off-by: Hugo Villeneuve <hvilleneuve at dimonoff.com>
---
Note: a similar property is used by gpio-matrix-keypad.yaml:
  col-scan-delay-us
---
 Documentation/devicetree/bindings/input/input.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/Documentation/devicetree/bindings/input/input.yaml b/Documentation/devicetree/bindings/input/input.yaml
index 502e0b7eb500..14652d324e2c 100644
--- a/Documentation/devicetree/bindings/input/input.yaml
+++ b/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 GPIO
+      before we can reliably read other input GPIOs 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" ]
 
-- 
2.47.3