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| author |   Kishon Vijay Abraham I <kishon@ti.com> | 2019-03-25 15:09:30 +0530 |
|---|---|---|
| committer |   Lorenzo Pieralisi <lorenzo.pieralisi@arm.com> | 2019-04-15 13:24:01 +0100 |
| commit | 26f51e85b3b61106ea8b9e1c0a277aa3851f7433 (patch) | |
| tree | 6949a30280ce40d936f3bb00993c4850a86cabaf /Documentation/devicetree/bindings/pci/designware-pcie.txt | |
| parent | PCI: keystone: Explicitly set the PCIe mode (diff) | |
| download | linux-dev-26f51e85b3b61106ea8b9e1c0a277aa3851f7433.tar.xz linux-dev-26f51e85b3b61106ea8b9e1c0a277aa3851f7433.zip | |
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: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Diffstat (limited to 'Documentation/devicetree/bindings/pci/designware-pcie.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/designware-pcie.txt | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pci/designware-pcie.txt b/Documentation/devicetree/bindings/pci/designware-pcie.txt index c124f9bc11f3..5561a1c060d0 100644 --- a/Documentation/devicetree/bindings/pci/designware-pcie.txt +++ b/Documentation/devicetree/bindings/pci/designware-pcie.txt @@ -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 |