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

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Message-ID:
 <ZQ0PR01MB106218474E32786793E2FBB6EF73A@ZQ0PR01MB1062.CHNPR01.prod.partner.outlook.cn>
Date: Tue, 16 Jan 2024 09:41:03 +0000
From: Shengyang Chen <shengyang.chen@...rfivetech.com>
To: "neil.armstrong@...aro.org" <neil.armstrong@...aro.org>, Conor Dooley
	<conor@...nel.org>
CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.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



> -----Original Message-----
> From: neil.armstrong@...aro.org <neil.armstrong@...aro.org>
> Sent: 2024年1月10日 17:06
> To: Conor Dooley <conor@...nel.org>; Shengyang Chen
> <shengyang.chen@...rfivetech.com>
> Cc: devicetree@...r.kernel.org; dri-devel@...ts.freedesktop.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 09/01/2024 17:32, Conor Dooley wrote:
> > 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.ya
> >> +++ ml
> >> @@ -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?
> 
> Waveshare has very precise SKUs, this should be something like
> waveshare,7inch-dsi-sku19885 perhaps
> 
> Neil

thanks for mention, It will be checked if next version is needed.

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