diff --git a/Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml b/Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml
index 812ae8cc595981c353a3fa055e0c3de29dc9093b..230b80d9d6cfc14ff85f8931724bb05a68300a2c 100644
--- a/Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml
+++ b/Documentation/devicetree/bindings/arm/bcm/bcm2835.yaml
@@ -18,6 +18,7 @@ properties:
       - description: BCM2711 based Boards
         items:
           - enum:
+              - raspberrypi,400
               - raspberrypi,4-model-b
           - const: brcm,bcm2711