On Tue, Dec 01, 2015 at 04:24:31PM +0900, Simon Horman wrote:
> 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@xxxxxxxxxxxx>
Acked-by: Bjorn Helgaas <bhelgaas@xxxxxxxxxx>
> ---
> Documentation/devicetree/bindings/pci/rcar-pci.txt | 13 ++++++++++---
> drivers/pci/host/pcie-rcar.c | 1 +
> 2 files changed, 11 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/rcar-pci.txt b/Documentation/devicetree/bindings/pci/rcar-pci.txt
> index 29d3b989d3b0..872cea085be8 100644
> --- a/Documentation/devicetree/bindings/pci/rcar-pci.txt
> +++ b/Documentation/devicetree/bindings/pci/rcar-pci.txt
> @@ -1,8 +1,15 @@
> * Renesas RCar PCIe interface
>
> Required properties:
> -- compatible: should contain one of the following
> - "renesas,pcie-r8a7779", "renesas,pcie-r8a7790", "renesas,pcie-r8a7791"
> +compatible: "renesas,pcie-r8a7779" for the R8A7779 SoC;
> + "renesas,pcie-r8a7790" for the R8A7790 SoC;
> + "renesas,pcie-r8a7791" for the R8A7791 SoC;
> + "renesas,pcie-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>
> @@ -25,7 +32,7 @@ Example:
> SoC specific DT Entry:
>
> pcie: pcie@fe000000 {
> - compatible = "renesas,pcie-r8a7791";
> + compatible = "renesas,pcie-r8a7791", "renesas,pcie-gen2";
> reg = <0 0xfe000000 0 0x80000>;
> #address-cells = <3>;
> #size-cells = <2>;
> diff --git a/drivers/pci/host/pcie-rcar.c b/drivers/pci/host/pcie-rcar.c
> index f4fa6c537448..17ee0422ddb1 100644
> --- a/drivers/pci/host/pcie-rcar.c
> +++ b/drivers/pci/host/pcie-rcar.c
> @@ -917,6 +917,7 @@ static int rcar_pcie_parse_map_dma_ranges(struct rcar_pcie *pcie,
>
> static const struct of_device_id rcar_pcie_of_match[] = {
> { .compatible = "renesas,pcie-r8a7779", .data = rcar_pcie_hw_init_h1 },
> + { .compatible = "renesas,pcie-gen2", .data = rcar_pcie_hw_init },
> { .compatible = "renesas,pcie-r8a7790", .data = rcar_pcie_hw_init },
> { .compatible = "renesas,pcie-r8a7791", .data = rcar_pcie_hw_init },
> {},
> --
> 2.1.4
>
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