diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml
index 3e05668990414..fbb71d6dd5319 100644
--- a/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-pcie-phy.yaml
@@ -19,6 +19,7 @@ properties:
       - socionext,uniphier-pro5-pcie-phy
       - socionext,uniphier-ld20-pcie-phy
       - socionext,uniphier-pxs3-pcie-phy
+      - socionext,uniphier-nx1-pcie-phy
 
   reg:
     maxItems: 1