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Message-ID: <2023dd55-33d8-4904-8724-97d89c130010@kernel.org>
Date: Mon, 29 Apr 2024 08:06:58 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Nathan Morrisson <nmorrisson@...tec.com>, lee@...nel.org,
robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, nm@...com,
vigneshr@...com, kristo@...nel.org, j-keerthy@...com
Cc: devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, upstream@...ts.phytec.de,
w.egorov@...tec.de
Subject: Re: [PATCH 1/2] dt-bindings: Convert lp873x.txt to json-schema
On 26/04/2024 19:21, Nathan Morrisson wrote:
> Convert the lp873x binding to DT schema format. Converted with
> minimal corrections.
>
> Signed-off-by: Nathan Morrisson <nmorrisson@...tec.com>
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.
..
> -};
> diff --git a/Documentation/devicetree/bindings/mfd/lp873x.yaml b/Documentation/devicetree/bindings/mfd/lp873x.yaml
> new file mode 100644
> index 000000000000..87fefdc3126b
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/lp873x.yaml
Missing vendor prefix. Name it after compatible, so ti,lp8732.yaml
> @@ -0,0 +1,114 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/lp873x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: TI LP873X PMIC MFD drivers
MFD is Linuxism, 'drivers' is not a hardware usually. Please provide
title matching hardware.
> +
> +maintainers:
> + - J Keerthy <j-keerthy@...com>
> +
> +description: |
Do not need '|' unless you need to preserve formatting.
> + PMIC with two high-current buck converters and two linear regulators.
> +
> +properties:
> + compatible:
> + enum:
> + - ti,lp8732
> + - ti,lp8733
> +
> + reg:
> + maxItems: 1
> +
> + gpio-controller: true
> +
> + '#gpio-cells':
> + const: 2
> +
> + regulators:
> + description:
> + List of child nodes that specify the regulator initialization data.
> + type: object
> + patternProperties:
> + "^buck[01]|ldo[01]$":
> + type: object
> + $ref: /schemas/regulator/regulator.yaml#
> + unevaluatedProperties: false
> + additionalProperties: false
> +
> +patternProperties:
> + '^(buck[01]|ldo[01])-in-supply$':
> + description: Phandle to parent supply of each regulator populated under regulators node.
> +
> +required:
> + - compatible
> + - reg
> + - regulators
Several other properties are required and you did not mention changes in
the conversion.
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + i2c@0 {
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0>;
> +
> + pmic: lp8733@60 {
Node names should be generic. See also an explanation and list of
examples (not exhaustive) in DT specification:
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
That's usually pmic
Best regards,
Krzysztof
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