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-rw-r--r--Documentation/devicetree/bindings/pci/pci-armada8k.txt8
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/pci-armada8k.txt b/Documentation/devicetree/bindings/pci/pci-armada8k.txt
index 9e3fc15e1af8..8324a4ee6f06 100644
--- a/Documentation/devicetree/bindings/pci/pci-armada8k.txt
+++ b/Documentation/devicetree/bindings/pci/pci-armada8k.txt
@@ -17,6 +17,14 @@ Required properties:
name must be "core" for the first clock and "reg" for the second
one
+Optional properties:
+- phys: phandle(s) to PHY node(s) following the generic PHY bindings.
+ Either 1, 2 or 4 PHYs might be needed depending on the number of
+ PCIe lanes.
+- phy-names: names of the PHYs corresponding to the number of lanes.
+ Must be "cp0-pcie0-x4-lane0-phy", "cp0-pcie0-x4-lane1-phy" for
+ 2 PHYs.
+
Example:
pcie@f2600000 {