diff --git a/Documentation/devicetree/bindings/net/brcm,amac.yaml b/Documentation/devicetree/bindings/net/brcm,amac.yaml
index 210fb29c4e7b..be1bf07985e4 100644
--- a/Documentation/devicetree/bindings/net/brcm,amac.yaml
+++ b/Documentation/devicetree/bindings/net/brcm,amac.yaml
@@ -73,6 +73,8 @@ properties:
       - const: idm_base
       - const: nicpm_base
 
+  dma-coherent: true
+
 unevaluatedProperties: false
 
 examples: