From: Simon Horman <horms@verge.net.au>
To: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Cc: mathias.nyman@intel.com, gregkh@linuxfoundation.org,
robh+dt@kernel.org, mark.rutland@arm.com,
linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
linux-renesas-soc@vger.kernel.org
Subject: dt-bindings: usb-xhci: Add r8a77990 support
Date: Fri, 13 Jul 2018 09:28:21 +0200 [thread overview]
Message-ID: <20180713072820.mrcfs22d3fkscvju@verge.net.au> (raw)
On Tue, Jul 03, 2018 at 07:51:47PM +0900, Yoshihiro Shimoda wrote:
> This patch adds r8a77990 xhci support. The driver will use
> the fallback compatible string "renesas,rcar-gen3-xhci".
>
> Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
> ---
> After we applied the following patches, the driver will use
> the fallback compatible string "renesas,rcar-gen3-xhci" on
> r8a77990. (If we doesn't apply the patches, the driver cannot
> get the firmware name, and then the probe on r8a77990 failed.)
>
> https://patchwork.kernel.org/patch/10503777/
> https://patchwork.kernel.org/patch/10503781/
Thanks.
FWIW I think we can still merge DTS patches to enable USB3 on E3 in
parallel with the above driver patches as enabling a device that was
previously not enabled won't cause a regression so long as the probe
failure doesn't cause other problems - f.e. kernel panic
>
> Documentation/devicetree/bindings/usb/usb-xhci.txt | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/Documentation/devicetree/bindings/usb/usb-xhci.txt b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> index bd1dd31..ac4cd0d 100644
> --- a/Documentation/devicetree/bindings/usb/usb-xhci.txt
> +++ b/Documentation/devicetree/bindings/usb/usb-xhci.txt
> @@ -14,6 +14,7 @@ Required properties:
> - "renesas,xhci-r8a7795" for r8a7795 SoC
> - "renesas,xhci-r8a7796" for r8a7796 SoC
> - "renesas,xhci-r8a77965" for r8a77965 SoC
> + - "renesas,xhci-r8a77990" for r8a77990 SoC
> - "renesas,rcar-gen2-xhci" for a generic R-Car Gen2 or RZ/G1 compatible
> device
> - "renesas,rcar-gen3-xhci" for a generic R-Car Gen3 compatible device
> --
> 1.9.1
>
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next reply other threads:[~2018-07-13 7:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-13 7:28 Simon Horman [this message]
-- strict thread matches above, loose matches on Subject: below --
2018-07-16 21:17 dt-bindings: usb-xhci: Add r8a77990 support Rob Herring
2018-07-03 10:51 Yoshihiro Shimoda
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