From: Chun-Kuang Hu <chunkuang.hu@kernel.org>
To: Jitao Shi <jitao.shi@mediatek.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
devicetree@vger.kernel.org, srv_heupstream@mediatek.com,
David Airlie <airlied@linux.ie>,
huijuan.xie@mediatek.com, stonea168@163.com,
linux-kernel@vger.kernel.org,
DRI Development <dri-devel@lists.freedesktop.org>,
cawa.cheng@mediatek.com, Rob Herring <robh+dt@kernel.org>,
linux-mediatek@lists.infradead.org,
Matthias Brugger <matthias.bgg@gmail.com>,
yingjoe.chen@mediatek.com, eddie.huang@mediatek.com,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 2/4] dt-bindings: display: mediatek: get mipitx calibration data from nvmem
Date: Sat, 4 Apr 2020 22:19:34 +0800 [thread overview]
Message-ID: <CAAOTY_-7xKF2tVioSU+qDU0qFs3CbUJFypB7RLakXR=PdvubFg@mail.gmail.com> (raw)
In-Reply-To: <20200331082725.81048-3-jitao.shi@mediatek.com>
Hi, Jitao:
Jitao Shi <jitao.shi@mediatek.com> 於 2020年3月31日 週二 下午4:28寫道：
>
> 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.txt
> 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 device. 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 = <0>;
> #phy-cells = <0>;
> drive-strength-microamp = <4600>;
> + nvmem-cells= <&mipi_tx_calibration>;
> + nvmem-cell-names = "calibration-data";
> };
>
> dsi0: dsi@1401b000 {
> --
> 2.21.0
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
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next prev parent reply other threads:[~2020-04-04 14:19 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-31 8:27 [PATCH v4 0/4] Config mipi tx current and impedance Jitao Shi
2020-03-31 8:27 ` [PATCH v4 1/4] dt-bindings: display: mediatek: add property to control mipi tx drive current Jitao Shi
2020-04-04 15:45 ` Chun-Kuang Hu
2020-03-31 8:27 ` [PATCH v4 2/4] dt-bindings: display: mediatek: get mipitx calibration data from nvmem Jitao Shi
2020-04-04 14:19 ` Chun-Kuang Hu [this message]
2020-03-31 8:27 ` [PATCH v4 3/4] drm/mediatek: add the mipitx driving control Jitao Shi
2020-04-04 15:46 ` Chun-Kuang Hu
2020-03-31 8:27 ` [PATCH v4 4/4] drm/mediatek: config mipitx impedance with calibration data Jitao Shi
2020-04-04 14:26 ` Chun-Kuang Hu
2020-04-05 13:39 ` Jitao Shi
2020-04-05 16:27 ` Chun-Kuang Hu
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