linux-kernel - Re: [PATCH 1/2] dt-bindings: regulator: Add dt property

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Date:   Mon, 24 Apr 2023 13:19:46 +0530
From:   Naresh Solanki <naresh.solanki@...ements.com>
To:     Rob Herring <robh@...nel.org>
Cc:     Zev Weiss <zev@...ilderbeest.net>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: regulator: Add dt property

Hi Rob,

On 21-04-2023 11:40 pm, Rob Herring wrote:
> On Thu, Apr 20, 2023 at 01:52:30PM +0530, Naresh Solanki wrote:
>> Hi Zev,
>>
>> On 20-04-2023 05:31 am, Zev Weiss wrote:
>>> On Tue, Apr 18, 2023 at 07:50:50AM PDT, Naresh Solanki wrote:
>>>> Add DT property regulator-supplies.
>>>> This enables us to couple one or more regulator output to gether. This
>>>> is use in case of Single connector having 2 or more supplies.
>>>>
>>>> Signed-off-by: Naresh Solanki <Naresh.Solanki@...ements.com>
>>>> ---
>>>> .../bindings/regulator/regulator-output.yaml         | 12 +++++++++---
>>>> 1 file changed, 9 insertions(+), 3 deletions(-)
>>>>
>>>> diff --git
>>>> a/Documentation/devicetree/bindings/regulator/regulator-output.yaml
>>>> b/Documentation/devicetree/bindings/regulator/regulator-output.yaml
>>>> index 078b37a1a71a..17f683d3c1f3 100644
>>>> --- a/Documentation/devicetree/bindings/regulator/regulator-output.yaml
>>>> +++ b/Documentation/devicetree/bindings/regulator/regulator-output.yaml
>>>> @@ -21,13 +21,19 @@ properties:
>>>>    compatible:
>>>>      const: regulator-output
>>>>
>>>> -  vout-supply:
>>>> +  regulator-supplies:
>>>>      description:
>>>> -      Phandle of the regulator supplying the output.
>>>> +      Specifies the name of the output supply provided by the regulator.
>>>> +      Defaults to "vout".
>>>> +    default: "vout"
>>>> +
>>>
>>> Was this meant to be specified as a string-array to allow providing
>>> multiple names?
>> Yes. This is string-array.
>>>
>>>> +patternProperties:
>>>> +  ".*-supply":
>>>> +    description:
>>>> +      Specified the phandle for various supplies
>>>>
>>>> required:
>>>>    - compatible
>>>> -  - vout-supply
>>>>
>>>> additionalProperties: false
>>>>
>>>>
>>>
>>> I think it would be nice to also update the examples to show what a
>>> multi-supply instance would look like.
>> Ack. Will do that.
>>>
>>> A slightly more descriptive subject line would also be good -- "Add dt
>>> property" is a bit vague.
>> Suggestion ?
>> How about like 'Allow multiple supplies' or 'Add support for multiple
>> supplies'
> 
> And indicate this is for regulator-output, As-is looks like it's
> something for all regulators.
Thanks for bringing that to my notice. Will make:
dt-bindings: regulator-output: Add dt property
> 
> Rob
Regards,
Naresh