diff --git a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
index 269cd63fb5444c0305eb8a13ca564e4243dcd0a7..025f4242f8f715b13e94596376b15c6f7426a243 100644
--- a/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
+++ b/Documentation/devicetree/bindings/net/wireless/mediatek,mt76.yaml
@@ -69,6 +69,15 @@ properties:
       calibration data is generic and specific calibration data should be
       pulled from the OTP ROM
 
+  mediatek,disable-radar-background:
+    type: boolean
+    description:
+      Disable/enable radar/CAC detection running on a dedicated offchannel
+      chain available on some hw.
+      Background radar/CAC detection allows to avoid the CAC downtime
+      switching on a different channel during CAC detection on the selected
+      radar channel.
+
   led:
     type: object
     $ref: /schemas/leds/common.yaml#