linux-kernel - Re: [PATCH v3 1/6] dt-bindings: display: add dt-bindings for STM32 LVDS device

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Date: Mon, 15 Jan 2024 17:51:28 +0100
From: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
To: Rob Herring <robh@...nel.org>
CC: Yannick Fertre <yannick.fertre@...s.st.com>,
        Philippe Cornu
	<philippe.cornu@...s.st.com>,
        David Airlie <airlied@...il.com>, Daniel Vetter
	<daniel@...ll.ch>,
        Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
        Maxime Ripard <mripard@...nel.org>,
        Thomas Zimmermann <tzimmermann@...e.de>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley
	<conor+dt@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre
 Torgue <alexandre.torgue@...s.st.com>,
        Philipp Zabel
	<p.zabel@...gutronix.de>,
        <dri-devel@...ts.freedesktop.org>, <devicetree@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 1/6] dt-bindings: display: add dt-bindings for STM32
 LVDS device


On 1/15/24 16:46, Rob Herring wrote:
> On Mon, Jan 15, 2024 at 02:20:04PM +0100, Raphael Gallais-Pou wrote:
>> Add "st,stm32mp25-lvds" compatible.
>>
>> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou@...s.st.com>
>> ---
>> Depends on: "dt-bindings: stm32: add clocks and reset binding for
>> 	    stm32mp25 platform" by Gabriel Fernandez
>>
>> Changes in v3:
>> 	- Clarify commit dependency
>> 	- Fix includes in the example
>> 	- Fix YAML
>> 	- Add "clock-cells" description
>> 	- s/regroups/is composed of/
>> 	- Changed compatible to show SoC specificity
>>
>> Changes in v2:
>> 	- Switch compatible and clock-cells related areas
>> 	- Remove faulty #include in the example.
>> 	- Add entry in MAINTAINERS
>> ---
>>  .../bindings/display/st,stm32-lvds.yaml       | 119 ++++++++++++++++++
> Filename matching compatible.

Hi Rob,


I was unsure about this.

The driver will eventually support several SoCs with different compatibles,
wouldn't this be more confusing ?

I also wanted to keep the similarity with the "st,stm32-<ip>.yaml" name for the
DRM STM drivers. Would that be possible ?


Regards,

Raphaël



>
>> +properties:
>> +  compatible:
>> +    const: st,stm32mp25-lvds
>
>> +examples:
>> +  - |
>> +    #include <dt-bindings/clock/st,stm32mp25-rcc.h>
>> +    #include <dt-bindings/reset/st,stm32mp25-rcc.h>
>> +
>> +    lvds: lvds@...60000 {
>> +        compatible = "st,stm32-lvds";
> Wrong compatible.