linux-kernel - Re: [PATCH 7/9] dt-bindings: regulator: add binding for ncv6336 regulator

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Message-ID: <kb2ejk6c4uvazuumuezsd24qhjwh3k5bw76k2shywdugjqlf6e@lrghxcxxmnrm>
Date: Thu, 19 Dec 2024 10:28:49 +0100
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Fabien Parent <parent.f@...il.com>
Cc: Rob Herring <robh@...nel.org>, Saravana Kannan <saravanak@...gle.com>, 
	Miguel Ojeda <ojeda@...nel.org>, Alex Gaynor <alex.gaynor@...il.com>, 
	Boqun Feng <boqun.feng@...il.com>, Gary Guo <gary@...yguo.net>, 
	Björn Roy Baron <bjorn3_gh@...tonmail.com>, Benno Lossin <benno.lossin@...ton.me>, 
	Andreas Hindborg <a.hindborg@...nel.org>, Alice Ryhl <aliceryhl@...gle.com>, 
	Trevor Gross <tmgross@...ch.edu>, Greg Kroah-Hartman <gregkh@...uxfoundation.org>, 
	"Rafael J. Wysocki" <rafael@...nel.org>, Wolfram Sang <wsa+renesas@...g-engineering.com>, 
	Mark Brown <broonie@...nel.org>, Liam Girdwood <lgirdwood@...il.com>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konradybcio@...nel.org>, 
	devicetree@...r.kernel.org, rust-for-linux@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org, vinod.koul@...aro.org, 
	Fabien Parent <fabien.parent@...aro.org>
Subject: Re: [PATCH 7/9] dt-bindings: regulator: add binding for ncv6336
 regulator

On Wed, Dec 18, 2024 at 03:36:37PM -0800, Fabien Parent wrote:
> From: Fabien Parent <fabien.parent@...aro.org>
> 
> Add binding documentation for the Onsemi NCV6336 regulator.
> 
> Signed-off-by: Fabien Parent <fabien.parent@...aro.org>
> ---
>  .../bindings/regulator/onnn,ncv6336.yaml           | 54 ++++++++++++++++++++++
>  1 file changed, 54 insertions(+)
> 

subject: regulator first, then dt-bindings.

Please use subject prefixes matching the subsystem. You can get them for
example with 'git log --oneline -- DIRECTORY_OR_FILE' on the directory
your patch is touching. For bindings, the preferred subjects are
explained here:
https://www.kernel.org/doc/html/latest/devicetree/bindings/submitting-patches.html#i-for-patch-submitters


> diff --git a/Documentation/devicetree/bindings/regulator/onnn,ncv6336.yaml b/Documentation/devicetree/bindings/regulator/onnn,ncv6336.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..c69d126cab33668febe18e77bb34bd4bef52c993
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/regulator/onnn,ncv6336.yaml
> @@ -0,0 +1,54 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/regulator/onnn,ncv6336.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Onsemi NCV6336 Buck converter
> +
> +maintainers:
> +  - Fabien Parent <fabien.parent@...aro.org>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  The NCV6336 is an I2C programmable BUCK (step-down) converter.
> +  It is designed for mobile power applications.
> +
> +properties:
> +  $nodename:
> +    pattern: "regulator@[0-9a-f]{2}"

Drop nodename, not really needed in device schema.

> +
> +  compatible:
> +    const: onnn,ncv6336
> +
> +  reg:
> +    maxItems: 1
> +
> +  buck:
> +    description: buck regulator description

Why do you need "buck" node? Just merge the properties into this device
node.

> +    type: object
> +    $ref: regulator.yaml#
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - buck
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        regulator@1c {
> +            compatible = "onnn,ncv6336";
> +            reg = <0x1c>;
> +
> +            buck {
> +                regulator-name = "ncv6336,buck";
> +            };
> +       };

Messed indentation.

Best regards,
Krzysztof