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Date:   Wed, 22 Mar 2023 22:36:10 +0100
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Subject: Re: [PATCH v3 1/4] dt-bindings: mfd: Add TI TPS6594 PMIC
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To:     Julien Panis <jpanis@baylibre.com>, lee@kernel.org,
        robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org,
        corbet@lwn.net, arnd@arndb.de, gregkh@linuxfoundation.org,
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From:   Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
In-Reply-To: <a63d420c-54ad-e7b0-cc10-64bb942b4e6a@baylibre.com>
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On 22/03/2023 14:55, Julien Panis wrote:
> 
> 
> On 3/22/23 09:16, Krzysztof Kozlowski wrote:
>> On 22/03/2023 09:01, Julien Panis wrote:
>>>>> +  ti,multi-phase-id:
>>>>> +    description: |
>>>>> +      Describes buck multi-phase configuration, if any. For instance, XY id means
>>>>> +      that outputs of buck converters X and Y are combined in multi-phase mode.
>>>>> +    $ref: /schemas/types.yaml#/definitions/uint32-array
>>>> No improvements here. As Rob pointed out, this looks like coupled
>>>> regulators.
>>> I used 'oneOf' logic to handle mutual exclusion. But it seems that I did not
>>> understand what you and Rob expected.
>>> Does some generic property already exist for 'coupled regulators' ?
>> Yes, see regulator.yaml binding.
> 
> Krzysztof, I talked with the regulator API/yaml maintainer.
> Actually, our multiphase concept is different than coupled regulators:
> https://lore.kernel.org/all/ZBr+7X3lcFdI8p%2Fo@sirena.org.uk/
> 
> We must not use the generic 'coupled regulator' property here.
> So, 'ti,multi-phase-id' can be kept.

Yeah. I think we do not have generic property for this.

Best regards,
Krzysztof