dt-bindings: PCI: dra7xx: Add properties to enable x2 lane in dra7

Add syscon properties required for configuring PCIe in x2 lane mode.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/Documentation/devicetree/bindings/pci/ti-pci.txt b/Documentation/devicetree/bindings/pci/ti-pci.txt
index 82cb875e4cec..3b630a34b339 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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