Add support for altr,pcie-root-port-2.0.

Signed-off-by: Ley Foon Tan <ley.foon....@intel.com>
---
 .../devicetree/bindings/pci/altera-pcie.txt        |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/altera-pcie.txt 
b/Documentation/devicetree/bindings/pci/altera-pcie.txt
index 6c396f1..816b244 100644
--- a/Documentation/devicetree/bindings/pci/altera-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/altera-pcie.txt
@@ -1,11 +1,13 @@
 * Altera PCIe controller
 
 Required properties:
-- compatible : should contain "altr,pcie-root-port-1.0"
+- compatible : should contain "altr,pcie-root-port-1.0" or 
"altr,pcie-root-port-2.0"
 - reg:         a list of physical base address and length for TXS and CRA.
+               For "altr,pcie-root-port-2.0", additional HIP base address and 
length.
 - reg-names:   must include the following entries:
                "Txs": TX slave port region
                "Cra": Control register access region
+               "Hip": Hard IP region (if "altr,pcie-root-port-2.0")
 - interrupts:  specifies the interrupt source of the parent interrupt
                controller.  The format of the interrupt specifier depends
                on the parent interrupt controller.
-- 
1.7.1

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