diff --git a/Documentation/devicetree/bindings/media/rcar_vin.txt b/Documentation/devicetree/bindings/media/rcar_vin.txt
index b4108634001870012df4cebab9d3d8d884f20d7d..2f420050d57f75883dd964d08b818e4a37cc856b 100644
--- a/Documentation/devicetree/bindings/media/rcar_vin.txt
+++ b/Documentation/devicetree/bindings/media/rcar_vin.txt
@@ -55,6 +55,8 @@ The per-board settings Gen2 platforms:
       the SoC type and selected input image format.
       Valid values are: 8, 10, 12, 16, 24 and 32.
     - data-shift: see [1] for description. Valid values are 0 and 8.
+    - data-enable-active: polarity of CLKENB signal, see [1] for
+      description. Default is active high.
 
 The per-board settings Gen3 platforms: