Commit 26f51e85 authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Lorenzo Pieralisi
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dt-bindings: PCI: Document "atu" reg-names 



Document "atu" reg-names required to get the register space for ATU in
Synopsys designware core version >= 4.80.

Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
parent 156c6fef

Documentation/devicetree/bindings/pci/designware-pcie.txt

+5 −2
Original line number Diff line number Diff line
@@ -4,8 +4,11 @@ Required properties: 
- compatible:

	"snps,dw-pcie" for RC mode;

	"snps,dw-pcie-ep" for EP mode;

- reg: Should contain the configuration address space.

- reg-names: Must be "config" for the PCIe configuration space.

- reg: For designware cores version < 4.80 contains the configuration

       address space. For designware core version >= 4.80, contains

       the configuration and ATU address space

- reg-names: Must be "config" for the PCIe configuration space and "atu" for

	     the ATU address space.

    (The old way of getting the configuration address space from "ranges"

    is deprecated and should be avoided.)

- num-lanes: number of lanes to use