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-rw-r--r--Documentation/devicetree/bindings/pci/designware-pcie.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index 9f4faa8..0036ab3 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -14,7 +14,6 @@ Required properties:
- interrupt-map-mask and interrupt-map: standard PCI properties
to define the mapping of the PCIe interface to interrupt
numbers.
-- num-lanes: number of lanes to use
- clocks: Must contain an entry for each entry in clock-names.
See ../clocks/clock-bindings.txt for details.
- clock-names: Must include the following entries:
@@ -22,6 +21,8 @@ Required properties:
- "pcie_bus"
Optional properties:
+- num-lanes: number of lanes to use (this property should be specified unless
+ the link is brought already up in BIOS)
- reset-gpio: gpio pin number of power good signal
- bus-range: PCI bus numbers covered (it is recommended for new devicetrees to
specify this property, to keep backwards compatibility a range of 0x00-0xff