diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
index 40079fc24a63..5275d350f8cb 100644
--- a/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
+++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.yaml
@@ -21,6 +21,15 @@ properties:
       - {}
       - const: panel-dpi
 
+  data-mapping:
+    enum:
+      - rgb24
+      - rgb565
+      - bgr666
+    description: |
+      Describes the media format, how the display panel is connected
+      to the display interface.
+
   backlight: true
   enable-gpios: true
   height-mm: true
@@ -43,7 +52,7 @@ examples:
         compatible = "osddisplays,osd057T0559-34ts", "panel-dpi";
         label = "osddisplay";
         power-supply = <&vcc_supply>;
-
+        data-mapping = "rgb565";
         backlight = <&backlight>;
 
         port {