linux-kernel - Re: [PATCH v3 3/7] dt-bindings: display: mediatek: add dsi reset optional property

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Date:   Thu, 26 Aug 2021 08:31:08 +0800
From:   Chun-Kuang Hu <chunkuang.hu@...nel.org>
To:     Enric Balletbo i Serra <enric.balletbo@...labora.com>
Cc:     linux-kernel <linux-kernel@...r.kernel.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Hsin-Yi Wang <hsinyi@...omium.org>,
        "moderated list:ARM/Mediatek SoC support" 
        <linux-mediatek@...ts.infradead.org>,
        Jitao Shi <jitao.shi@...iatek.com>,
        Eizan Miyamoto <eizan@...omium.org>,
        Nicolas Boichat <drinkcat@...omium.org>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Collabora Kernel ML <kernel@...labora.com>,
        Rob Herring <robh@...nel.org>, Daniel Vetter <daniel@...ll.ch>,
        David Airlie <airlied@...ux.ie>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>,
        DTML <devicetree@...r.kernel.org>,
        DRI Development <dri-devel@...ts.freedesktop.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 3/7] dt-bindings: display: mediatek: add dsi reset
 optional property

Hi, Enric:

Enric Balletbo i Serra <enric.balletbo@...labora.com> 於 2021年8月25日 週三 下午6:26寫道：
>
> Update device tree binding documentation for the dsi to add the optional
> property to reset the dsi controller.

Reviewed-by: Chun-Kuang Hu <chunkuang.hu@...nel.org>

>
> Signed-off-by: Enric Balletbo i Serra <enric.balletbo@...labora.com>
> Acked-by: Rob Herring <robh@...nel.org>
> ---
>
> (no changes since v2)
>
> Changes in v2:
> - Added a new patch to describe the dsi reset optional property.
>
>  .../devicetree/bindings/display/mediatek/mediatek,dsi.txt   | 6 ++++++
>  1 file changed, 6 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> index 8238a86686be..3209b700ded6 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> @@ -19,6 +19,11 @@ Required properties:
>    Documentation/devicetree/bindings/graph.txt. This port should be connected
>    to the input port of an attached DSI panel or DSI-to-eDP encoder chip.
>
> +Optional properties:
> +- resets: list of phandle + reset specifier pair, as described in [1].
> +
> +[1] Documentation/devicetree/bindings/reset/reset.txt
> +
>  MIPI TX Configuration Module
>  ============================
>
> @@ -45,6 +50,7 @@ dsi0: dsi@...1b000 {
>         clocks = <&mmsys MM_DSI0_ENGINE>, <&mmsys MM_DSI0_DIGITAL>,
>                  <&mipi_tx0>;
>         clock-names = "engine", "digital", "hs";
> +       resets = <&mmsys MT8173_MMSYS_SW0_RST_B_DISP_DSI0>;
>         phys = <&mipi_tx0>;
>         phy-names = "dphy";
>
> --
> 2.30.2
>