linux-kernel - Re: [PATCH 1/2] dt-bindings: hwmon: Introduce common properties

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Date:   Wed, 22 Dec 2021 15:36:23 -0400
From:   Rob Herring <robh@...nel.org>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Jean Delvare <jdelvare@...e.com>,
        Guenter Roeck <linux@...ck-us.net>,
        linux-hwmon@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: hwmon: Introduce common properties

On Tue, Dec 21, 2021 at 05:50:28PM +0000, Paul Cercueil wrote:
> Introduce a file for common properties of hwmon sensors.
> 
> As of now it contains only the "label" property, which can contain a
> descriptive label that allows to uniquely identify a device within the
> system.

I don't think we need this. What we need is a global (in dtschema) 
type definition and then any users just add 'label: true'.

> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  .../devicetree/bindings/hwmon/common.yaml     | 31 +++++++++++++++++++
>  1 file changed, 31 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/hwmon/common.yaml
> 
> diff --git a/Documentation/devicetree/bindings/hwmon/common.yaml b/Documentation/devicetree/bindings/hwmon/common.yaml
> new file mode 100644
> index 000000000000..997f74127d8c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/hwmon/common.yaml
> @@ -0,0 +1,31 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/hwmon/common.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Common properties for hwmon sensors
> +
> +maintainers:
> +  - Jean Delvare <jdelvare@...e.com>
> +  - Guenter Roeck <linux@...ck-us.net>
> +
> +description: |
> +  This document defines device tree properties common to several hwmon
> +  sensors. It doesn't constitue a device tree binding specification by itself but
> +  is meant to be referenced by device tree bindings.
> +
> +  When referenced from sensor tree bindings the properties defined in this
> +  document are defined as follows. The sensor tree bindings are responsible for
> +  defining whether each property is required or optional.
> +
> +properties:
> +  label:
> +    $ref: /schemas/types.yaml#/definitions/string
> +    description: >
> +      Descriptive label that allows to uniquely identify a device within
> +      the system.
> +
> +additionalProperties: true
> +
> +...
> -- 
> 2.34.1
> 
>