diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt
index e03d23631f5b..d5cbfe6b0d89 100644
--- a/Documentation/devicetree/bindings/pci/ti-pci.txt
+++ b/Documentation/devicetree/bindings/pci/ti-pci.txt
@@ -13,6 +13,9 @@ PCIe DesignWare Controller
  - ti,hwmods : Name of the hwmod associated to the pcie, "pcie<X>",
 	       where <X> is the instance number of the pcie from the HW spec.
  - num-lanes as specified in ../designware-pcie.txt
+ - ti,syscon-lane-sel : phandle/offset pair. Phandle to the system control
+			module and the register offset to specify lane
+			selection.
 
 HOST MODE
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