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Date:   Wed, 31 May 2023 20:47:41 +0200
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Subject: Re: [PATCH 04/11] dt-bindings: stm32: add st,stm32mp25 compatibles to
 the stm32 family
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To:     Alexandre TORGUE <alexandre.torgue@foss.st.com>,
        Conor Dooley <conor@kernel.org>
Cc:     robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        Conor Dooley <conor+dt@kernel.org>,
        Linus Walleij <linus.walleij@linaro.org>,
        Catalin Marinas <catalin.marinas@arm.com>,
        Will Deacon <will@kernel.org>, Arnd Bergmann <arnd@arndb.de>,
        Olof Johansson <olof@lixom.net>, soc@kernel.org,
        linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
        linux-stm32@st-md-mailman.stormreply.com,
        linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org
References: <20230529162034.20481-1-alexandre.torgue@foss.st.com>
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 <c805cd5f-92b1-eb56-d9bc-66814705e848@foss.st.com>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <c805cd5f-92b1-eb56-d9bc-66814705e848@foss.st.com>
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On 30/05/2023 10:39, Alexandre TORGUE wrote:
> Hi Conor
> 
> On 5/29/23 20:05, Conor Dooley wrote:
>> On Mon, May 29, 2023 at 06:20:27PM +0200, Alexandre Torgue wrote:
>>> STM32 family is extended by the addition of the STM32MP25 SoCs. It is composed
>>> of 4 SoCs: STM32MP251, STM32MP253, STM32MP255 and STM32MP257.
>>>
>>> Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
>>>
>>> diff --git a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
>>> index 4af5b8f4f803..7d7ca33d2e61 100644
>>> --- a/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
>>> +++ b/Documentation/devicetree/bindings/arm/stm32/stm32.yaml
>>> @@ -161,6 +161,15 @@ properties:
>>>             - const: phytec,phycore-stm32mp157c-som
>>>             - const: st,stm32mp157
>>>   
>>> +      - items:
>>> +          - const: st,stm32mp251
>>> +      - items:
>>> +          - const: st,stm32mp253
>>> +      - items:
>>> +          - const: st,stm32mp255
>>> +      - items:
>>> +          - const: st,stm32mp257
>>
>> I assume the slightly odd format is just to avoid churn when adding
>> the board compatibles.
> 
> Yes, exactly.
> 

I don't get it. How are you going to extend it? Or rather - what are you
documenting here? If these are SoCs, then this is not valid. We do not
allow these alone.

No, please drop it.

Best regards,
Krzysztof