diff --git a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
index f52931c0035a..0840a3d92513 100644
--- a/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
+++ b/Documentation/devicetree/bindings/misc/qcom,fastrpc.yaml
@@ -26,6 +26,7 @@ properties:
       - mdsp
       - sdsp
       - cdsp
+      - cdsp1
 
   memory-region:
     maxItems: 1