linux-kernel - Re: [PATCH 2/2] arm64: dts: exynos: add OF graph between USB-PHY and MUIC

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Date:   Thu, 1 Feb 2018 08:50:49 +0100
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Andrzej Hajda <a.hajda@...sung.com>
Cc:     "open list:DESIGNWARE USB3 DRD IP DRIVER" <linux-usb@...r.kernel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>, Felipe Balbi <balbi@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Inki Dae <inki.dae@...sung.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Chanwoo Choi <cw00.choi@...sung.com>,
        Laurent Pinchart <Laurent.pinchart@...asonboard.com>,
        linux-kernel@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH 2/2] arm64: dts: exynos: add OF graph between USB-PHY and MUIC

On Wed, Jan 31, 2018 at 4:57 PM, Andrzej Hajda <a.hajda@...sung.com> wrote:
> OF graph describes USB data lanes between USB-PHY and respective MUIC.
> Since graph is present and DWC driver can use it to get extcon, obsolete
> extcon property can be removed.
>
> Signed-off-by: Andrzej Hajda <a.hajda@...sung.com>
> ---
>  arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi | 18 +++++++++++++++++-
>  1 file changed, 17 insertions(+), 1 deletion(-)
>
> diff --git a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> index 427ff861b441..b20b42659206 100644
> --- a/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> +++ b/arch/arm64/boot/dts/exynos/exynos5433-tm2-common.dtsi
> @@ -828,6 +828,17 @@
>                                         };
>                                 };
>                         };
> +
> +                       ports {
> +                               #address-cells = <1>;
> +                               #size-cells = <0>;
> +
> +                               port@0 {
> +                                       reg = <0>;
> +                                       muic_to_usb: endpoint {
> +                                               remote-endpoint = <&usb_to_muic>;
> +                                       };
> +                               };
>                         };
>                 };
>
> @@ -1242,12 +1253,17 @@
>
>  &usbdrd_dwc3 {
>         dr_mode = "otg";
> -       extcon = <&muic>;

Look ok for me.

Does this depend on #1 patch for DWC?

Best regards,
Krzysztof