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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>
authored by
Simon Horman
and committed by
Bjorn Helgaas
3517652f
e015f88c
+10
-2
+9
-2
Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
+9
-2
Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt
···
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Required properties:
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- compatible: "renesas,pci-r8a7790" for the R8A7790 SoC;
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"renesas,pci-r8a7791" for the R8A7791 SoC;
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-
"renesas,pci-r8a7794" for the R8A7794 SoC.
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"renesas,pci-r8a7794" for the R8A7794 SoC;
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"renesas,pci-rcar-gen2" for a generic R-Car Gen2 compatible device
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When compatible with the generic version, nodes must list the
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SoC-specific version corresponding to the platform first
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followed by the generic version.
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- reg: A list of physical regions to access the device: the first is
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the operational registers for the OHCI/EHCI controllers and the
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second is for the bridge configuration and control registers.
···
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Example SoC configuration:
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pci0: pci@ee090000 {
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-
compatible = "renesas,pci-r8a7790";
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compatible = "renesas,pci-r8a7790", "renesas,pci-rcar-gen2";
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clocks = <&mstp7_clks R8A7790_CLK_EHCI>;
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reg = <0x0 0xee090000 0x0 0xc00>,
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<0x0 0xee080000 0x0 0x1100>;
+1
drivers/pci/host/pci-rcar-gen2.c
+1
drivers/pci/host/pci-rcar-gen2.c