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-rw-r--r--Documentation/devicetree/bindings/pci/designware-pcie.txt1
1 files changed, 1 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index e216af3..83ccba4 100644
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -20,6 +20,7 @@ Required properties:
numbers.
- num-lanes: number of lanes to use
- reset-gpio: gpio pin number of power good signal
+- num-atus: number of ATUs. The default value is 2 if not present
Example: