dt-bindings: PCI: keystone: Add bindings to get device control module

Add bindings to get device control module which has the device id and
vendor id to be configured in the keystone PCIe controller.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Rob Herring <robh@kernel.org>

diff --git a/Documentation/devicetree/bindings/pci/pci-keystone.txt b/Documentation/devicetree/bindings/pci/pci-keystone.txt
index 4dd17de549a7880d3c43d1175e3bede131d6f68f..2030ee0dc4f91215a9d15949acace949e9b94406 100644 (file)
--- a/Documentation/devicetree/bindings/pci/pci-keystone.txt
+++ b/Documentation/devicetree/bindings/pci/pci-keystone.txt
@@ -19,6 +19,9 @@ pcie_msi_intc : Interrupt controller device node for MSI IRQ chip
        interrupt-cells: should be set to 1
        interrupts: GIC interrupt lines connected to PCI MSI interrupt lines
 
+ti,syscon-pcie-id : phandle to the device control module required to set device
+                   id and vendor id.
+
  Example:
        pcie_msi_intc: msi-interrupt-controller {
                        interrupt-controller;