linux-kernel - Re: [PATCH v2 1/2] regulator: Add bindings for TPS6287x

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Message-ID: <dfd3498c-62ab-92d3-22d6-21729dc619fa@linaro.org>
Date:   Thu, 4 May 2023 11:34:28 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Mårten Lindahl <marten.lindahl@...s.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        Mark Brown <broonie@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        kernel@...s.com
Subject: Re: [PATCH v2 1/2] regulator: Add bindings for TPS6287x

On 04/05/2023 10:30, Mårten Lindahl wrote:
> Add bindings for the TPS62870/TPS62871/TPS62872/TPS62873 voltage
> regulators.
> 

Use subject prefixes matching the subsystem (which you can get for
example with `git log --oneline -- DIRECTORY_OR_FILE` on the directory
your patch is touching).

Just a hint - I in general ignore all the emails without dt-bindings prefix.

> Signed-off-by: Mårten Lindahl <marten.lindahl@...s.com>
> ---
>  .../devicetree/bindings/regulator/ti,tps62870.yaml | 62 ++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/regulator/ti,tps62870.yaml b/Documentation/devicetree/bindings/regulator/ti,tps62870.yaml
> new file mode 100644
> index 000000000000..32f259f16314
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/ti,tps62870.yaml
> @@ -0,0 +1,62 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/ti,tps62870.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI TPS62870/TPS62871/TPS62872/TPS62873 voltage regulator
> +
> +maintainers:
> +  - Mårten Lindahl <marten.lindahl@...s.com>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ti,tps62870
> +      - ti,tps62871
> +      - ti,tps62872
> +      - ti,tps62873
> +
> +  reg:
> +    maxItems: 1
> +
> +  regulators:
> +    type: object
> +
> +    properties:
> +      "vout":

Drop quotes.

Why do you need entire "regulators" node for one regulator? Why do you
need child at first place. Drop it entirely.


> +        type: object
> +        $ref: regulator.yaml#
> +        unevaluatedProperties: false

You missed that piece of explanation:

"The set of possible operating modes depends on the capabilities of
every hardware so each device binding documentation explains which
values the regulator supports."



Best regards,
Krzysztof