linux-kernel - Re: [PATCH v2 1/4] dt-bindings: display: panel: samsung,atna33xc20: Document ATNA45AF01

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Message-ID: <CAD=FV=VG3zNVKp75r2zsKzmjC0WfZqY1xrffSQ+jcuAJm7FaQw@mail.gmail.com>
Date: Mon, 15 Jul 2024 06:42:18 -0700
From: Doug Anderson <dianders@...omium.org>
To: Stephan Gerhold <stephan.gerhold@...aro.org>
Cc: Neil Armstrong <neil.armstrong@...aro.org>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konrad.dybcio@...aro.org>, Jessica Zhang <quic_jesszhan@...cinc.com>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org, 
	Abel Vesa <abel.vesa@...aro.org>, Johan Hovold <johan@...nel.org>
Subject: Re: [PATCH v2 1/4] dt-bindings: display: panel: samsung,atna33xc20:
 Document ATNA45AF01

Hi,

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


On Mon, Jul 15, 2024 at 5:16 AM Stephan Gerhold
<stephan.gerhold@...aro.org> wrote:
>
> The Samsung ATNA45AF01 panel is an AMOLED eDP panel that has backlight
> control over the DP AUX channel. While it works almost correctly with the
> generic "edp-panel" compatible, the backlight needs special handling to
> work correctly. It is similar to the existing ATNA33XC20 panel, just with
> a larger resolution and size.
>
> Add a new "samsung,atna45af01" compatible to describe this panel in the DT.
> Use the existing "samsung,atna33xc20" as fallback compatible since existing
> drivers should work as-is, given that resolution and size are discoverable
> through the eDP link.
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@...aro.org>
> ---
>  .../devicetree/bindings/display/panel/samsung,atna33xc20.yaml     | 8 +++++++-
>  1 file changed, 7 insertions(+), 1 deletion(-)
>
> diff --git a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
> index 765ca155c83a..5192c93fbd67 100644
> --- a/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
> +++ b/Documentation/devicetree/bindings/display/panel/samsung,atna33xc20.yaml
> @@ -14,7 +14,13 @@ allOf:
>
>  properties:
>    compatible:
> -    const: samsung,atna33xc20
> +    oneOf:
> +      # Samsung 13.3" FHD (1920x1080 pixels) eDP AMOLED panel
> +      - const: samsung,atna33xc20
> +      # Samsung 14.5" WQXGA+ (2880x1800 pixels) eDP AMOLED panel
> +      - items:
> +          - const: samsung,atna45af01
> +          - const: samsung,atna33xc20
>
>    enable-gpios: true
>    port: true
>
> --
> 2.44.1
>