linux-kernel - Re: [PATCH 02/14] dt-bindings: display: panel: allow ilitek,ili9341 in isolation

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Date:   Tue, 28 Jun 2022 06:26:20 +0000
From:   <Conor.Dooley@...rochip.com>
To:     <robh@...nel.org>, <mail@...chuod.ie>
CC:     <airlied@...ux.ie>, <daniel@...ll.ch>,
        <krzysztof.kozlowski+dt@...aro.org>, <thierry.reding@...il.com>,
        <sam@...nborg.org>, <Eugeniy.Paltsev@...opsys.com>,
        <vkoul@...nel.org>, <lgirdwood@...il.com>, <broonie@...nel.org>,
        <fancer.lancer@...il.com>, <daniel.lezcano@...aro.org>,
        <palmer@...belt.com>, <palmer@...osinc.com>, <tglx@...utronix.de>,
        <paul.walmsley@...ive.com>, <aou@...s.berkeley.edu>,
        <masahiroy@...nel.org>, <damien.lemoal@...nsource.wdc.com>,
        <geert@...ux-m68k.org>, <niklas.cassel@....com>,
        <dillon.minfei@...il.com>, <jee.heng.sia@...el.com>,
        <joabreu@...opsys.com>, <dri-devel@...ts.freedesktop.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <dmaengine@...r.kernel.org>, <alsa-devel@...a-project.org>,
        <linux-spi@...r.kernel.org>, <linux-riscv@...ts.infradead.org>
Subject: Re: [PATCH 02/14] dt-bindings: display: panel: allow ilitek,ili9341
 in isolation

On 28/06/2022 00:17, Rob Herring wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> On Sat, Jun 18, 2022 at 01:30:24PM +0100, Conor Dooley wrote:
>> From: Conor Dooley <conor.dooley@...rochip.com>
>>
>> The dt-binding for the ilitek,ili9341 does not allow it to be used as a
>> compatible in isolation. This generates a warning for the Canaan kd233
>> devicetree:
>> arch/riscv/boot/dts/canaan/canaan_kd233.dtb: panel@0: compatible:0: 'ilitek,ili9341' is not one of ['st,sf-tc240t-9370-t']
>>          From schema: Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml
>> arch/riscv/boot/dts/canaan/canaan_kd233.dtb: panel@0: compatible: ['ilitek,ili9341'] is too short
>>          From schema: Documentation/devicetree/bindings/display/panel/ilitek,ili9341.yaml
>> Allow ilitek,ili9341 to be selected in isolation.
> 
> Just because you get a warning doesn't mean it is right. ili9341 is a
> panel driver IC, not a complete panel. It needs a more specific
> compatible.

pff, makes sense. I'll conjure one up.
Thanks,
Conor.