PCI: designware: Parse bus-range property from devicetree

[karo-tx-linux.git] / Documentation / devicetree / bindings / pci / designware-pcie.txt

diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt
index ed0d9b9fff2be5f5be5902554d0da70ed81591df..9f4faa8e8d005ee1810f0dc4272d63f4af3e17e6 100644 (file)
--- a/Documentation/devicetree/bindings/pci/designware-pcie.txt
+++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt
@@ -23,3 +23,6 @@ Required properties:
 
 Optional properties:
 - 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
+  is assumed if not present)