linux-kernel - Re: [PATCH v1 4/4] arm64: dts: mediatek: cherry: Add configuration for display backlight

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Date:   Fri, 24 Feb 2023 16:52:34 +0800
From:   Chen-Yu Tsai <wenst@...omium.org>
To:     AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
Cc:     matthias.bgg@...il.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org
Subject: Re: [PATCH v1 4/4] arm64: dts: mediatek: cherry: Add configuration
 for display backlight

On Thu, Feb 23, 2023 at 10:56 PM AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com> wrote:
>
> Configure the hardware PWM for the integrated display's backlight:
> all Cherry devices enable the backlight with GPIO82 and manage the
> PWM via MediaTek disp-pwm on GPIO97.
>
> Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>

Reviewed-by: Chen-Yu Tsai <wenst@...omium.org>
Tested-by: Chen-Yu Tsai <wenst@...omium.org>

with some additional patches to enable the internal display.