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| author | Simon Horman <horms+renesas@verge.net.au> | 2015-12-03 07:51:39 +0900 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-12-09 12:28:22 -0600 |
| commit | a37b3eafe8e9cbe7c7754bc6003c125b23749554 (patch) | |
| tree | 595ad7cc7ba8967c2de0cf500087a4a7c44d5bc4 /Documentation | |
| parent | 3517652fda51bfeea3768ba05819744c8ac57d9e (diff) | |
| download | linux-a37b3eafe8e9cbe7c7754bc6003c125b23749554.tar.gz linux-a37b3eafe8e9cbe7c7754bc6003c125b23749554.tar.bz2 linux-a37b3eafe8e9cbe7c7754bc6003c125b23749554.zip | |
PCI: rcar: Add gen2 fallback compatibility string for pcie-rcar
Add fallback compatibility string for R-Car Gen 2 family. This is in
keeping with the fallback scheme being adopted wherever appropriate for
drivers for Renesas SoCs.
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/rcar-pci.txt | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt index ab2e75f59518..558fe528ae19 100644 --- a/Documentation/devicetree/bindings/pci/rcar-pci.txt +++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt @@ -1,9 +1,16 @@ * Renesas RCar PCIe interface Required properties: -- compatible: should contain one of the following - "renesas,pcie-r8a7779", "renesas,pcie-r8a7790", "renesas,pcie-r8a7791", - "renesas,pcie-r8a7795" +compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC; + "renesas,pcie-r8a7790" for the R8A7790 SoC; + "renesas,pcie-r8a7791" for the R8A7791 SoC; + "renesas,pcie-r8a7795" for the R8A7795 SoC; + "renesas,pcie-rcar-gen2" for a generic R-Car Gen2 compatible device. + + When compatible with the generic version, nodes must list the + SoC-specific version corresponding to the platform first + followed by the generic version. + - reg: base address and length of the pcie controller registers. - #address-cells: set to <3> - #size-cells: set to <2> @@ -26,7 +33,7 @@ Example: SoC specific DT Entry: pcie: pcie@fe000000 { - compatible = "renesas,pcie-r8a7791"; + compatible = "renesas,pcie-r8a7791", "renesas,pcie-rcar-gen2"; reg = <0 0xfe000000 0 0x80000>; #address-cells = <3>; #size-cells = <2>; |