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dt-bindings: PCI: rcar: Add device tree support for r8a7743

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Add support for r8a7743. The Renesas RZ/G1M(R8A7743)PCIe controller
is identical to the R-Car Gen2 family.

No driver change is needed due to the fallback compatible value
"renesas,pcie-rcar-gen2".
Adding the SoC-specific compatible values here has three purposes:
1. Document which SoCs have this hardware module,
2. Allow checkpatch to validate compatible values.
3. Allow the driver to support SoC specific implementations in future
   as necessary.

Signed-off-by: Biju Das <biju.das@bp.renesas.com>
Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Reviewed-by: Fabrizio Castro <fabrizio.castro@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Acked-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Biju Das 2017-11-14 09:59:03 +00:00 committed by Lorenzo Pieralisi
parent 38b35992b7
commit 2380ca5f1f
1 changed files with 4 additions and 2 deletions
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6
Documentation/devicetree/bindings/pci/rcar-pci.txt
View file

@ -1,13 +1,15 @@
* Renesas R-Car PCIe interface
Required properties:
compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC;
compatible: "renesas,pcie-r8a7743" for the R8A7743 SoC;
"renesas,pcie-r8a7779" for the R8A7779 SoC;
"renesas,pcie-r8a7790" for the R8A7790 SoC;
"renesas,pcie-r8a7791" for the R8A7791 SoC;
"renesas,pcie-r8a7793" for the R8A7793 SoC;
"renesas,pcie-r8a7795" for the R8A7795 SoC;
"renesas,pcie-r8a7796" for the R8A7796 SoC;
"renesas,pcie-rcar-gen2" for a generic R-Car Gen2 compatible device.
"renesas,pcie-rcar-gen2" for a generic R-Car Gen2 or
RZ/G1 compatible device.
"renesas,pcie-rcar-gen3" for a generic R-Car Gen3 compatible device.
When compatible with the generic version, nodes must list the