diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml
index a681cbc3b4ef..33946efcac5e 100644
--- a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3hs-phy.yaml
@@ -22,6 +22,7 @@ properties:
       - socionext,uniphier-pxs2-usb3-hsphy
       - socionext,uniphier-ld20-usb3-hsphy
       - socionext,uniphier-pxs3-usb3-hsphy
+      - socionext,uniphier-nx1-usb3-hsphy
 
   reg:
     maxItems: 1
diff --git a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml
index 41c0dd68ee25..92d46eb913a3 100644
--- a/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml
+++ b/Documentation/devicetree/bindings/phy/socionext,uniphier-usb3ss-phy.yaml
@@ -23,6 +23,7 @@ properties:
       - socionext,uniphier-pxs2-usb3-ssphy
       - socionext,uniphier-ld20-usb3-ssphy
       - socionext,uniphier-pxs3-usb3-ssphy
+      - socionext,uniphier-nx1-usb3-ssphy
 
   reg:
     maxItems: 1