On Thu, Dec 03, 2015 at 07:51:37AM +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>
>
> ---
> v2
> * Include "rcar-" in new compatibility string
> ---
> Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt | 11 +++++++++--
> drivers/pci/host/pci-rcar-gen2.c | 1 +
> 2 files changed, 10 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..089a99dcdf10 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>;
> diff --git a/drivers/pci/host/pci-rcar-gen2.c b/drivers/pci/host/pci-rcar-gen2.c
> index 62951165dcbb..9980a4bdae7e 100644
> --- a/drivers/pci/host/pci-rcar-gen2.c
> +++ b/drivers/pci/host/pci-rcar-gen2.c
> @@ -430,6 +430,7 @@ static int rcar_pci_probe(struct platform_device *pdev)
> }
>
> static struct of_device_id rcar_pci_of_match[] = {
> + { .compatible = "renesas,pci-rcar-gen2", },
> { .compatible = "renesas,pci-r8a7790", },
> { .compatible = "renesas,pci-r8a7791", },
> { .compatible = "renesas,pci-r8a7794", },
> --
> 2.1.4
>
> --
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