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usb: renesas_usbhs: add fallback compatibility strings

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Add fallback compatibility strings for R-Car Gen2 and Gen3.
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>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Simon Horman 2015-12-16 13:51:51 +09:00 committed by Felipe Balbi
parent 89d75bf18d
commit 2f1a993a0d
2 changed files with 19 additions and 2 deletions
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12
Documentation/devicetree/bindings/usb/renesas_usbhs.txt
View File

@ -1,11 +1,19 @@
Renesas Electronics USBHS driver
Required properties:
- compatible: Must contain one of the following:
- compatible: Must contain one or more of the following:
- "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
- "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device
- "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
- "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
- "renesas,rcar-gen2-usbhs" for R-Car Gen2 compatible device
- "renesas,rcar-gen3-usbhs" for R-Car Gen3 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 register for the USBHS
- interrupts: Interrupt specifier for the USBHS
- clocks: A list of phandle + clock specifier pairs
@ -22,7 +30,7 @@ Optional properties:
Example:
usbhs: usb@e6590000 {
compatible = "renesas,usbhs-r8a7790";
compatible = "renesas,usbhs-r8a7790", "renesas,rcar-gen2-usbhs";
reg = <0 0xe6590000 0 0x100>;
interrupts = <0 107 IRQ_TYPE_LEVEL_HIGH>;
clocks = <&mstp7_clks R8A7790_CLK_HSUSB>;

9
drivers/usb/renesas_usbhs/common.c
View File

@ -481,6 +481,15 @@ static const struct of_device_id usbhs_of_match[] = {
.compatible = "renesas,usbhs-r8a7795",
.data = (void *)USBHS_TYPE_RCAR_GEN2,
},
{
.compatible = "renesas,rcar-gen2-usbhs",
.data = (void *)USBHS_TYPE_RCAR_GEN2,
},
{
/* Gen3 is compatible with Gen2 */
.compatible = "renesas,rcar-gen3-usbhs",
.data = (void *)USBHS_TYPE_RCAR_GEN2,
},
{ },
};
MODULE_DEVICE_TABLE(of, usbhs_of_match);