linux-kernel - Re: [PATCH 1/2] dt-bindings: arm: Add i.MX8M Mini Gateworks GW7904 board

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Date:   Fri, 9 Sep 2022 10:02:53 +0200
From:   Krzysztof Kozlowski <krzk@...nel.org>
To:     Tim Harvey <tharvey@...eworks.com>, Rob Herring <robh@...nel.org>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <s.hauer@...gutronix.de>,
        Pengutronix Kernel Team <kernel@...gutronix.de>,
        Fabio Estevam <festevam@...il.com>,
        NXP Linux Team <linux-imx@....com>
Subject: Re: [PATCH 1/2] dt-bindings: arm: Add i.MX8M Mini Gateworks GW7904
 board

On 08/09/2022 23:44, Tim Harvey wrote:
> On Thu, Sep 8, 2022 at 2:19 PM Rob Herring <robh@...nel.org> wrote:
>>
>> On Fri, Sep 02, 2022 at 04:04:59PM -0700, Tim Harvey wrote:
>>> Add DT compatible string for i.MX8M Mini based Gateworks GW7904 board.
>>>
>>> Signed-off-by: Tim Harvey <tharvey@...eworks.com>
>>> Cc: Rob Herring <robh+dt@...nel.org>
>>> Cc: Krzysztof Kozlowski <krzk+dt@...nel.org>
>>> Cc: Shawn Guo <shawnguo@...nel.org>
>>> Cc: Sascha Hauer <s.hauer@...gutronix.de>
>>> Cc: Pengutronix Kernel Team <kernel@...gutronix.de>
>>> Cc: Fabio Estevam <festevam@...il.com>
>>> Cc: NXP Linux Team <linux-imx@....com>
>>> ---
>>>  Documentation/devicetree/bindings/arm/fsl.yaml | 1 +
>>>  1 file changed, 1 insertion(+)
>>>
>>> diff --git a/Documentation/devicetree/bindings/arm/fsl.yaml b/Documentation/devicetree/bindings/arm/fsl.yaml
>>> index 7431579ab0e8..ce89fac1898e 100644
>>> --- a/Documentation/devicetree/bindings/arm/fsl.yaml
>>> +++ b/Documentation/devicetree/bindings/arm/fsl.yaml
>>> @@ -831,6 +831,7 @@ properties:
>>>                - gw,imx8mm-gw7901          # i.MX8MM Gateworks Board
>>>                - gw,imx8mm-gw7902          # i.MX8MM Gateworks Board
>>>                - gw,imx8mm-gw7903          # i.MX8MM Gateworks Board
>>> +              - gateworks,imx8mm-gw7904   # i.MX8MM Gateworks Board
>>
>> A useful comment would be ones that distuiguish these boards. It's
>> obvious from the compatible it's a i.MX8MM board from Gateworks.
> 
> But isn't it clear that you need to go to the device-tree itself to
> understand the details?
> 
> As far as basic features go sometimes there is very little difference
> in these board models. It would be a struggle to list all the board
> details (which I do in the dts commit) in a way that doesn't take up
> too much space in fsl.yaml.
> 

But then the comment you added is useless. So either add useful comment
or no comment. :)


Best regards,
Krzysztof