linux-kernel - Re: [PATCH v2 1/2] arm64: dts: rockchip: add usb3 controller node for RK3328 SoCs

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Date:   Fri, 18 Aug 2017 11:24:14 +0200
From:   Heiko Stuebner <heiko@...ech.de>
To:     William Wu <william.wu@...k-chips.com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, linux@...linux.org.uk,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-rockchip@...ts.infradead.org,
        frank.wang@...k-chips.com, huangtao@...k-chips.com,
        daniel.meng@...k-chips.com
Subject: Re: [PATCH v2 1/2] arm64: dts: rockchip: add usb3 controller node for RK3328 SoCs

Hi William,

Am Donnerstag, 17. August 2017, 15:54:49 CEST schrieb William Wu:
> RK3328 has one USB 3.0 OTG controller which uses DWC_USB3
> core's general architecture. It can act as static xHCI host
> controller, static device controller, USB 3.0/2.0 OTG basing
> on ID of USB3.0 PHY.
> 
> Signed-off-by: William Wu <william.wu@...k-chips.com>
> ---
> Changes in v2:
> - Modify the dwc3 quirk "snps,tx-ipgap-linecheck-dis-quirk" to
>   "snps,dis-tx-ipgap-linecheck-quirk"
> 
>  .../devicetree/bindings/usb/rockchip,dwc3.txt      |  4 +++-
>  arch/arm64/boot/dts/rockchip/rk3328.dtsi           | 27 ++++++++++++++++++++++
>  2 files changed, 30 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt b/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
> index 0536a93..d6b2e47 100644
> --- a/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
> +++ b/Documentation/devicetree/bindings/usb/rockchip,dwc3.txt
> @@ -1,7 +1,9 @@
>  Rockchip SuperSpeed DWC3 USB SoC controller
>  
>  Required properties:
> -- compatible:	should contain "rockchip,rk3399-dwc3" for rk3399 SoC
> +- compatible:	should be one of the following:
> +  - "rockchip,rk3399-dwc3": for rk3399 SoC
> +  - "rockchip,rk3328-dwc3", "rockchip,rk3399-dwc3": for rk3328 SoC
>  - clocks:	A list of phandle + clock-specifier pairs for the
>  		clocks listed in clock-names
>  - clock-names:	Should contain the following:

This probably shouldn't be part of the patch adding the dts node, but
instead should be a separate patch and should either go through some
usb tree or at least get an Ack from usb maintainers (Felipe Balbi and/or
Greg Kroah Hartman), so you should definitly include them into your
recipient list.


Heiko