diff --git a/Documentation/devicetree/bindings/arm/cpus.txt b/Documentation/devicetree/bindings/arm/cpus.txt
index ad6f7758d6badb6ab0c41c0737d39b18a84c7092..14611d22b95a173ae319b79e25e2250ac3680049 100644
--- a/Documentation/devicetree/bindings/arm/cpus.txt
+++ b/Documentation/devicetree/bindings/arm/cpus.txt
@@ -183,6 +183,7 @@ nodes to be present and contain the properties described below.
 			# On ARM 32-bit systems this property is optional and
 			  can be one of:
 			    "arm,psci"
+			    "allwinner,sun6i-a31"
 			    "qcom,gcc-msm8660"
 			    "qcom,kpss-acc-v1"
 			    "qcom,kpss-acc-v2"