[v2] usb: renesas_usbhs: Add compatible string for r8a7743/5

This patch adds support for r8a7743/5 SoCs. The Renesas RZ/G1[ME]
(R8A7743/5) usbhs is identical to the R-Car Gen2 family.

No driver change is needed due to the fallback compatible value
"renesas,rcar-gen2-usbhs".
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@bp.renesas.com>
Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
v1-->v2
   * Modified the patch description
   * Rebased on the below R-Car D3 patch
     https://patchwork.kernel.org/patch/9982267/

This patch is tested against Linux next tag next-20170929 +
  https://patchwork.kernel.org/patch/9982267/

 Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

On Fri, Oct 06, 2017 at 05:49:34PM +0100, Biju Das wrote:
> This patch adds support for r8a7743/5 SoCs. The Renesas RZ/G1[ME]
> (R8A7743/5) usbhs is identical to the R-Car Gen2 family.
> 
> No driver change is needed due to the fallback compatible value
> "renesas,rcar-gen2-usbhs".
> 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.

3. Allow the driver to support SoC specific implementations in future
   as necessary.

Acked-by: Simon Horman <horms+renesas@verge.net.au>

> Signed-off-by: Biju Das <biju.das@bp.renesas.com>
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> v1-->v2
>    * Modified the patch description
>    * Rebased on the below R-Car D3 patch
>      https://patchwork.kernel.org/patch/9982267/
> 
> This patch is tested against Linux next tag next-20170929 +
>   https://patchwork.kernel.org/patch/9982267/
> 
>  Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/renesas_usbhs.txt b/Documentation/devicetree/bindings/usb/renesas_usbhs.txt
> index e79f6e4..47394ab 100644
> --- 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
> @@ -11,7 +13,7 @@ Required properties:
>  	- "renesas,usbhs-r8a7795" for r8a7795 (R-Car H3) compatible device
>  	- "renesas,usbhs-r8a7796" for r8a7796 (R-Car M3-W) compatible device
>  	- "renesas,usbhs-r8a77995" for r8a77995 (R-Car D3) compatible device
> -	- "renesas,rcar-gen2-usbhs" for R-Car Gen2 compatible device
> +	- "renesas,rcar-gen2-usbhs" for R-Car Gen2 or RZ/G1 compatible devices
>  	- "renesas,rcar-gen3-usbhs" for R-Car Gen3 compatible device
>  
>  	When compatible with the generic version, nodes must list the
> -- 
> 1.9.1
> 
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Hi Simon,

On Mon, Oct 9, 2017 at 7:59 AM, Simon Horman <horms@verge.net.au> wrote:
> On Fri, Oct 06, 2017 at 05:49:34PM +0100, Biju Das wrote:
>> This patch adds support for r8a7743/5 SoCs. The Renesas RZ/G1[ME]
>> (R8A7743/5) usbhs is identical to the R-Car Gen2 family.
>>
>> No driver change is needed due to the fallback compatible value
>> "renesas,rcar-gen2-usbhs".
>> 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.
>
> 3. Allow the driver to support SoC specific implementations in future
>    as necessary.

Thanks for amending!

Gr{oetje,eeting}s,

                        Geert

--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org

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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On Fri, Oct 06, 2017 at 05:49:34PM +0100, Biju Das wrote:
> This patch adds support for r8a7743/5 SoCs. The Renesas RZ/G1[ME]
> (R8A7743/5) usbhs is identical to the R-Car Gen2 family.
> 
> No driver change is needed due to the fallback compatible value
> "renesas,rcar-gen2-usbhs".
> 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@bp.renesas.com>
> Signed-off-by: Chris Paterson <chris.paterson2@renesas.com>
> Reviewed-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
> ---
> v1-->v2
>    * Modified the patch description
>    * Rebased on the below R-Car D3 patch
>      https://patchwork.kernel.org/patch/9982267/
> 
> This patch is tested against Linux next tag next-20170929 +
>   https://patchwork.kernel.org/patch/9982267/
> 
>  Documentation/devicetree/bindings/usb/renesas_usbhs.txt | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)

Acked-by: Rob Herring <robh@kernel.org>

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