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-rw-r--r--Documentation/devicetree/bindings/pci/pci-rcar-gen2.txt11
-rw-r--r--drivers/pci/host/pci-rcar-gen2.c1
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", },