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Message-ID: <64ee48fc-4f77-48cc-b235-c9fb2b10afc4@linaro.org>
Date:   Thu, 7 Dec 2023 18:03:44 +0100
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Subject: Re: [PATCH v3 2/4] dt-bindings: clock: mediatek: add clock
 controllers of MT7988
Content-Language: en-US
To:     Daniel Golle <daniel@makrotopia.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@collabora.com>
Cc:     Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        Michael Turquette <mturquette@baylibre.com>,
        Stephen Boyd <sboyd@kernel.org>,
        Matthias Brugger <matthias.bgg@gmail.com>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Sabrina Dubroca <sd@queasysnail.net>,
        Jianhui Zhao <zhaojh329@gmail.com>,
        Chen-Yu Tsai <wenst@chromium.org>,
        "Garmin.Chang" <Garmin.Chang@mediatek.com>,
        Sam Shih <sam.shih@mediatek.com>,
        Frank Wunderlich <frank-w@public-files.de>,
        Dan Carpenter <dan.carpenter@linaro.org>,
        James Liao <jamesjj.liao@mediatek.com>,
        devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-mediatek@lists.infradead.org, netdev@vger.kernel.org
References: <23bc89d407e7797e97b703fa939b43bfe79296ce.1701823757.git.daniel@makrotopia.org>
 <def05aac79ddff872d3e56698b736cb445f14116.1701823757.git.daniel@makrotopia.org>
 <3e72bff6-9f4d-4cd4-845e-b065f1233ec6@collabora.com>
 <ZXBs9GOOOlZrMuSW@makrotopia.org>
From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <ZXBs9GOOOlZrMuSW@makrotopia.org>
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On 06/12/2023 13:45, Daniel Golle wrote:
>>> +properties:
>>> +  compatible:
>>> +    items:
>>> +      - const: mediatek,mt7988-ethwarp
>>> +      - const: syscon
>>> +      - const: simple-mfd
>>
>> No, this is not a mfd, I say.
>>
>> Prove me wrong! :-)
> 
> https://github.com/dangowrt/linux/blob/mt7988-for-next/arch/arm64/boot/dts/mediatek/mt7988a.dtsi#L564
> 
> The 'simple-mfd' compatible is required to have the Linux
> kernel probe drivers for sub-nodes -- several drivers will act on
> the different aspects of the circuit exposed at this memory range.
> From what I understand, this is the definition of a MFD.

We know what is MFD, so no need to teach us. We expect you to look at
this. You do not have subnodes, so MFD is pointless. Showing DTSI means
nothing except that you did not test your bindings.

Best regards,
Krzysztof