diff --git a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
index 0880a613ece6ece67c2d4ab3c27d9ddf3ff0b530..963f908166450196f413d6c5846ee3d435171e45 100644
--- a/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
+++ b/Documentation/devicetree/bindings/pci/ti,j721e-pci-host.yaml
@@ -46,12 +46,17 @@ properties:
     maxItems: 1
 
   clocks:
-    maxItems: 1
-    description: clock-specifier to represent input to the PCIe
+    minItems: 1
+    maxItems: 2
+    description: |+
+      clock-specifier to represent input to the PCIe for 1 item.
+      2nd item if present represents reference clock to the connector.
 
   clock-names:
+    minItems: 1
     items:
       - const: fck
+      - const: pcie_refclk
 
   vendor-id:
     const: 0x104c