diff --git a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
index 3e8d609fef09..c53f0f5a0b31 100644
--- a/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
+++ b/Documentation/devicetree/bindings/soc/rockchip/grf.yaml
@@ -49,6 +49,7 @@ properties:
               - rockchip,rv1108-grf
               - rockchip,rv1108-pmugrf
               - rockchip,rv1126-grf
+              - rockchip,rv1126-pmugrf
           - const: syscon
           - const: simple-mfd