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

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Date:   Wed, 19 Apr 2023 17:01:28 -0700
From:   Zev Weiss <zev@...ilderbeest.net>
To:     Naresh Solanki <naresh.solanki@...ements.com>
Cc:     Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...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

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?

>+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.

A slightly more descriptive subject line would also be good -- "Add dt 
property" is a bit vague.

>base-commit: c55470f8b0616b0adb758077dbae9b19c5aac005
>-- 
>2.39.1
>