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References: <20200331082725.81048-1-jitao.shi@mediatek.com> <20200331082725.81048-3-jitao.shi@mediatek.com>
In-Reply-To: <20200331082725.81048-3-jitao.shi@mediatek.com>
From:   Chun-Kuang Hu <chunkuang.hu@kernel.org>
Date:   Sat, 4 Apr 2020 22:19:34 +0800
Message-ID: <CAAOTY_-7xKF2tVioSU+qDU0qFs3CbUJFypB7RLakXR=PdvubFg@mail.gmail.com>
Subject: Re: [PATCH v4 2/4] dt-bindings: display: mediatek: get mipitx
 calibration data from nvmem
To:     Jitao Shi <jitao.shi@mediatek.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        Daniel Vetter <daniel@ffwll.ch>,
        David Airlie <airlied@linux.ie>,
        DRI Development <dri-devel@lists.freedesktop.org>,
        linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
        srv_heupstream@mediatek.com, huijuan.xie@mediatek.com,
        stonea168@163.com, cawa.cheng@mediatek.com,
        linux-mediatek@lists.infradead.org, yingjoe.chen@mediatek.com,
        eddie.huang@mediatek.com, linux-arm-kernel@lists.infradead.org
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Hi, Jitao:

Jitao Shi <jitao.shi@mediatek.com> =E6=96=BC 2020=E5=B9=B43=E6=9C=8831=E6=
=97=A5 =E9=80=B1=E4=BA=8C =E4=B8=8B=E5=8D=884:28=E5=AF=AB=E9=81=93=EF=BC=9A
>
> Add properties to get get mipitx calibration data.

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

>
> Reviewed-by: Rob Herring <robh@kernel.org>
> Signed-off-by: Jitao Shi <jitao.shi@mediatek.com>
> ---
>  .../devicetree/bindings/display/mediatek/mediatek,dsi.txt    | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,=
dsi.txt b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.t=
xt
> index d78b6d6d8fab..8e4729de8c85 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dsi.txt
> @@ -36,6 +36,9 @@ Required properties:
>  Optional properties:
>  - drive-strength-microamp: adjust driving current, should be 3000 ~ 6000=
. And
>                                                    the step is 200.
> +- nvmem-cells: A phandle to the calibration data provided by a nvmem dev=
ice. If
> +               unspecified default values shall be used.
> +- nvmem-cell-names: Should be "calibration-data"
>
>  Example:
>
> @@ -47,6 +50,8 @@ mipi_tx0: mipi-dphy@10215000 {
>         #clock-cells =3D <0>;
>         #phy-cells =3D <0>;
>         drive-strength-microamp =3D <4600>;
> +       nvmem-cells=3D <&mipi_tx_calibration>;
> +       nvmem-cell-names =3D "calibration-data";
>  };
>
>  dsi0: dsi@1401b000 {
> --
> 2.21.0
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