dt-bindings: PCI: Add dt-binding to configure PCIe mode

Add "ti,syscon-pcie-mode" dt-binding to hold phandle to the syscon
register that should be used to configure PCIe in RC mode or EP mode.

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 3a551687cfa23c9fdbcb5275017b148360f3a7e1..8ee07197a063bf26237aaf9ab77360c66d18d866 100644 (file)
--- a/Documentation/devicetree/bindings/pci/pci-keystone.txt
+++ b/Documentation/devicetree/bindings/pci/pci-keystone.txt
@@ -23,6 +23,8 @@ pcie_msi_intc : Interrupt controller device node for MSI IRQ chip
 
 ti,syscon-pcie-id : phandle to the device control module required to set device
                    id and vendor id.
+ti,syscon-pcie-mode : phandle to the device control module required to configure
+                     PCI in either RC mode or EP mode.
 
  Example:
        pcie_msi_intc: msi-interrupt-controller {