linux-kernel - Re: [PATCH] arm64: dts: Add watchdog node for Amlogic-C3 SoCs

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Message-ID: <e9334edb-bf2e-4dca-9752-14b2924763a4@linaro.org>
Date:   Mon, 25 Sep 2023 12:58:35 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Huqiang Qin <huqiang.qin@...ogic.com>, neil.armstrong@...aro.org,
        khilman@...libre.com, jbrunet@...libre.com,
        martin.blumenstingl@...glemail.com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: Add watchdog node for Amlogic-C3 SoCs

On 25/09/2023 12:45, Krzysztof Kozlowski wrote:
> On 25/09/2023 12:42, Huqiang Qin wrote:
>> Hi Krzysztof,
>>
>> On 2023/9/25 17:33, Krzysztof Kozlowski wrote:
>>> This is c3, not t7. Why do you use t7 compatible alone?
>>
>> The C3 and T7 use the same watchdog controller, so they are compatible.
> 
> I am not saying that they are not compatible. I am saying that different
> SoCs should use the same compatible. Just like for every other platform,

Eh, missing "not", so "should not use":

I am not saying that they are not compatible. I am saying that different
SoCs should not use the same compatible. Just like for every other
platform, Amlogic is not special here.

> Amlogic is not special here.
> 
> https://elixir.bootlin.com/linux/v6.6-rc1/source/Documentation/devicetree/bindings/writing-bindings.rst

Please define compatibility list with t7 as fallback.

Best regards,
Krzysztof