diff --git a/Documentation/devicetree/bindings/display/msm/gpu.yaml b/Documentation/devicetree/bindings/display/msm/gpu.yaml
index 97254f909260..af43527188ce 100644
--- a/Documentation/devicetree/bindings/display/msm/gpu.yaml
+++ b/Documentation/devicetree/bindings/display/msm/gpu.yaml
@@ -173,6 +173,8 @@ allOf:
                 description: GPU RBBM Timer for Adreno 5xx series
               - const: rbcpr
                 description: GPU RB Core Power Reduction clock
+              - const: alwayson
+                description: GPU AON clock
           minItems: 2
           maxItems: 7