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author | Simon Horman <horms+renesas@verge.net.au> | 2015-12-03 07:51:37 +0900 |
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committer | Bjorn Helgaas <bhelgaas@google.com> | 2015-12-09 12:28:21 -0600 |
commit | 3517652fda51bfeea3768ba05819744c8ac57d9e (patch) | |
tree | 027442ee0abdca85a7f392978ebabe4c6aca8c09 | |
parent | e015f88c368da1e6e3567288c290c31d57b2ba94 (diff) | |
download | linux-3517652fda51bfeea3768ba05819744c8ac57d9e.tar.gz linux-3517652fda51bfeea3768ba05819744c8ac57d9e.tar.bz2 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>
-rw-r--r-- | Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt | 11 | ||||
-rw-r--r-- | 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..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>; 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", }, |