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| author | Simon Horman <horms+renesas@verge.net.au> | 2015-12-02 23:51:37 +0100 |
|---|---|---|
| committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-12-09 19:28:21 +0100 |
| commit | 3517652fda51bfeea3768ba05819744c8ac57d9e (patch) | |
| tree | 027442ee0abdca85a7f392978ebabe4c6aca8c09 /Documentation | |
| parent | PCI: rcar: Add support for R-Car H3 to pcie-rcar (diff) | |
| download | linux-3517652fda51bfeea3768ba05819744c8ac57d9e.tar.xz linux-3517652fda51bfeea3768ba05819744c8ac57d9e.zip | |
PCI: rcar: Add gen2 fallback compatibility string for pci-rcar-gen2
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>
Acked-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt index 891463cb09c2..4e8b90e43dd8 100644 --- a/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt +++ b/Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt @@ -8,7 +8,14 @@ OHCI and EHCI controllers. Required properties: - compatible: "renesas,pci-r8a7790" for the R8A7790 SoC; "renesas,pci-r8a7791" for the R8A7791 SoC; - "renesas,pci-r8a7794" for the R8A7794 SoC. + "renesas,pci-r8a7794" for the R8A7794 SoC; + "renesas,pci-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: A list of physical regions to access the device: the first is the operational registers for the OHCI/EHCI controllers and the second is for the bridge configuration and control registers. @@ -32,7 +39,7 @@ Optional properties: Example SoC configuration: pci0: pci@ee090000 { - compatible = "renesas,pci-r8a7790"; + compatible = "renesas,pci-r8a7790", "renesas,pci-rcar-gen2"; clocks = <&mstp7_clks R8A7790_CLK_EHCI>; reg = <0x0 0xee090000 0x0 0xc00>, <0x0 0xee080000 0x0 0x1100>; |