linux-kernel - Re: [PATCH] arm64: dts: mt8173: Power on panel regulator on boot

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Message-ID: <CAD=FV=VoC2gK5MtBU9qhVxJwRRUGBMLT96UH7F+QKcmGEYo_sQ@mail.gmail.com>
Date:   Mon, 17 Apr 2023 06:32:40 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Pin-yen Lin <treapking@...omium.org>
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH] arm64: dts: mt8173: Power on panel regulator on boot

Hi,

On Mon, Apr 17, 2023 at 5:40 AM Pin-yen Lin <treapking@...omium.org> wrote:
>
> Add "regulator-boot-on" to "panel_fixed_3v3" to save time on powering
> the regulator during boot.  Also add "off-on-delay-us" to the node to
> make sure the regulator never violates the panel timing requirements.
>
> Signed-off-by: Pin-yen Lin <treapking@...omium.org>
>
> ---
>
>  arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 2 ++
>  1 file changed, 2 insertions(+)

Reviewed-by: Douglas Anderson <dianders@...omium.org>