Hi Biju,
On Thu, Oct 5, 2017 at 5:12 PM, Biju Das <biju.das@xxxxxxxxxxxxxx> wrote:
> This patch adds support for r8a7743/5 SoC. The Renesas RZ/G1[ME]
> (R8A7743/5) usbhs is identical to the R-Car Gen2 family.
>
> This doesn't change the driver, so it does nothing by itself. But it does
Wording it like this may give the wrong impression to the casual reader
that a driver change will be submitted separately.
No driver change is needed due to the fallback compatible value
"renesas,rcar-gen2-usbhs".
> mean that checkpatch won't complain about a future patch that adds
> "renesas,usbhs-r8a7743" or "renesas,usbhs-r8a7745" to a DT, which helps
> ensure that shipped DTs use documented compatibility strings.
Adding the SoC-specific compatible values here has two purposes:
1. Document which SoCs have this hardware module,
2. Allow checkpatch to validate compatible values.
> Signed-off-by: Biju Das <biju.das@xxxxxxxxxxxxxx>
Reviewed-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> --- a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> +++ b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> @@ -3,6 +3,8 @@ Renesas Electronics USBHS driver
> Required properties:
> - compatible: Must contain one or more of the following:
>
> + - "renesas,usbhs-r8a7743" for r8a7743 (RZ/G1M) compatible device
> + - "renesas,usbhs-r8a7745" for r8a7745 (RZ/G1E) compatible device
> - "renesas,usbhs-r8a7790" for r8a7790 (R-Car H2) compatible device
> - "renesas,usbhs-r8a7791" for r8a7791 (R-Car M2-W) compatible device
> - "renesas,usbhs-r8a7792" for r8a7792 (R-Car V2H) compatible device
> @@ -10,7 +12,7 @@ Required properties:
> - "renesas,usbhs-r8a7794" for r8a7794 (R-Car E2) compatible device
> - "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
> - "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device
> - - "renesas,rcar-gen2-usbhs" for R-Car Gen2 compatible device
> + - "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible device
> - "renesas,rcar-gen3-usbhs" for R-Car Gen3 compatible device
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@xxxxxxxxxxxxxx
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
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