RE: [PATCH v2 1/2] dt-bindings: display: panel: panel-simple: Add compatible property for waveshare 7inch touchscreen panel

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Hi, Conor

Thanks for comment.

> -----Original Message-----
> From: Conor Dooley <conor@xxxxxxxxxx>
> Sent: 2024年1月10日 0:32
> To: Shengyang Chen <shengyang.chen@xxxxxxxxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx; dri-devel@xxxxxxxxxxxxxxxxxxxxx;
> neil.armstrong@xxxxxxxxxx; quic_jesszhan@xxxxxxxxxxx; sam@xxxxxxxxxxxx;
> airlied@xxxxxxxxx; daniel@xxxxxxxx; maarten.lankhorst@xxxxxxxxxxxxxxx;
> mripard@xxxxxxxxxx; tzimmermann@xxxxxxx; robh+dt@xxxxxxxxxx;
> krzysztof.kozlowski+dt@xxxxxxxxxx; conor+dt@xxxxxxxxxx; wahrenst@xxxxxxx;
> dave.stevenson@xxxxxxxxxxxxxxx; thierry.reding@xxxxxxxxx; Changhuang
> Liang <changhuang.liang@xxxxxxxxxxxxxxxx>; Keith Zhao
> <keith.zhao@xxxxxxxxxxxxxxxx>; Jack Zhu <jack.zhu@xxxxxxxxxxxxxxxx>;
> linux-kernel@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v2 1/2] dt-bindings: display: panel: panel-simple: Add
> compatible property for waveshare 7inch touchscreen panel
> 
> On Tue, Jan 09, 2024 at 03:09:48PM +0800, Shengyang Chen wrote:
> > The waveshare 7" 800x480 panel is a clone of Raspberry Pi 7" 800x480
> > panel It can be drived by Raspberry Pi panel's process but it needs
> > different timing from Raspberry Pi panel. Add compatible property for it.
> >
> > Signed-off-by: Keith Zhao <keith.zhao@xxxxxxxxxxxxxxxx>
> > Signed-off-by: Shengyang Chen <shengyang.chen@xxxxxxxxxxxxxxxx>
> > ---
> >  .../devicetree/bindings/display/panel/panel-simple.yaml         | 2 ++
> >  1 file changed, 2 insertions(+)
> >
> > diff --git
> > a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> > b/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> > index 11422af3477e..02f6b1b2ddc9 100644
> > ---
> > a/Documentation/devicetree/bindings/display/panel/panel-simple.yaml
> > +++ b/Documentation/devicetree/bindings/display/panel/panel-simple.yam
> > +++ l
> > @@ -335,6 +335,8 @@ properties:
> >        - vivax,tpc9150-panel
> >          # VXT 800x480 color TFT LCD panel
> >        - vxt,vl050-8048nt-c01
> > +        # Waveshare 7" (800x480) touchscreen LCD panel
> > +      - waveshare,7inch-touchscreen
> 
> Is "7inch-touchscreen" really a specific enough identifier for this device?
> 

Referring to official website[1] and Neil's suggestion, maybe I should change to
"7inch-touchscreen-dsi-lcd" or "waveshare,7inch-dsi-sku19885" if the next patch version is needed.

[1]: https://www.waveshare.com/7inch-dsi-lcd.htm

> >          # Winstar Display Corporation 3.5" QVGA (320x240) TFT LCD panel
> >        - winstar,wf35ltiacd
> >          # Yes Optoelectronics YTC700TLAG-05-201C 7" TFT LCD panel
> > --
> > 2.17.1
> >


Best Regards,
Shengyang




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