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Date: Tue, 16 Jan 2024 17:16:12 +0000
From: Conor Dooley <conor@...nel.org>
To: Shengyang Chen <shengyang.chen@...rfivetech.com>
Cc: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"neil.armstrong@...aro.org" <neil.armstrong@...aro.org>,
	"quic_jesszhan@...cinc.com" <quic_jesszhan@...cinc.com>,
	"sam@...nborg.org" <sam@...nborg.org>,
	"airlied@...il.com" <airlied@...il.com>,
	"daniel@...ll.ch" <daniel@...ll.ch>,
	"maarten.lankhorst@...ux.intel.com" <maarten.lankhorst@...ux.intel.com>,
	"mripard@...nel.org" <mripard@...nel.org>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	"wahrenst@....net" <wahrenst@....net>,
	"dave.stevenson@...pberrypi.com" <dave.stevenson@...pberrypi.com>,
	"thierry.reding@...il.com" <thierry.reding@...il.com>,
	Changhuang Liang <changhuang.liang@...rfivetech.com>,
	Keith Zhao <keith.zhao@...rfivetech.com>,
	Jack Zhu <jack.zhu@...rfivetech.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 1/2] dt-bindings: display: panel: panel-simple: Add
 compatible property for waveshare 7inch touchscreen panel

On Tue, Jan 16, 2024 at 09:40:21AM +0000, Shengyang Chen wrote:
> Hi, Conor
> 
> Thanks for comment.
> 
> > -----Original Message-----
> > From: Conor Dooley <conor@...nel.org>
> > Sent: 2024年1月10日 0:32
> > To: Shengyang Chen <shengyang.chen@...rfivetech.com>
> > Cc: devicetree@...r.kernel.org; dri-devel@...ts.freedesktop.org;
> > neil.armstrong@...aro.org; quic_jesszhan@...cinc.com; sam@...nborg.org;
> > airlied@...il.com; daniel@...ll.ch; maarten.lankhorst@...ux.intel.com;
> > mripard@...nel.org; tzimmermann@...e.de; robh+dt@...nel.org;
> > krzysztof.kozlowski+dt@...aro.org; conor+dt@...nel.org; wahrenst@....net;
> > dave.stevenson@...pberrypi.com; thierry.reding@...il.com; Changhuang
> > Liang <changhuang.liang@...rfivetech.com>; Keith Zhao
> > <keith.zhao@...rfivetech.com>; Jack Zhu <jack.zhu@...rfivetech.com>;
> > linux-kernel@...r.kernel.org
> > 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@...rfivetech.com>
> > > Signed-off-by: Shengyang Chen <shengyang.chen@...rfivetech.com>
> > > ---
> > >  .../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.

The one with the sku certainly seems more specific, if a next version is
needed I would use that.

Thanks,
Conor.

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