linux-kernel - Re: [PATCH net-next 8/9] dt-bindings: net: pse-pd: Add bindings for PD692x0 PSE controller

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Message-ID: <6b39c522-1486-4e30-b958-b8a57104cede@linaro.org>
Date:   Thu, 16 Nov 2023 15:31:42 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Kory Maincent <kory.maincent@...tlin.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Jonathan Corbet <corbet@....net>,
        Luis Chamberlain <mcgrof@...nel.org>,
        Russ Weight <russ.weight@...ux.dev>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     Thomas Petazzoni <thomas.petazzoni@...tlin.com>,
        netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-doc@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH net-next 8/9] dt-bindings: net: pse-pd: Add bindings for
 PD692x0 PSE controller

On 16/11/2023 15:01, Kory Maincent wrote:
> Add the PD692x0 I2C Power Sourcing Equipment controller device tree
> bindings documentation.
> 
> Signed-off-by: Kory Maincent <kory.maincent@...tlin.com>
> ---
>  .../bindings/net/pse-pd/microchip,pd692x0_i2c.yaml | 70 ++++++++++++++++++++++
>  MAINTAINERS                                        |  6 ++
>  2 files changed, 76 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0_i2c.yaml b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0_i2c.yaml
> new file mode 100644
> index 000000000000..c42bbc427988
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0_i2c.yaml

Filename should match compatibles, so drop i2c suffix.

> @@ -0,0 +1,70 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/pse-pd/microchip,pd692x0_i2c.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip PD692x0 Power Sourcing Equipment controller
> +
> +maintainers:
> +  - Kory Maincent <kory.maincent@...tlin.com>
> +
> +allOf:
> +  - $ref: pse-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,pd69200
> +      - microchip,pd69210
> +      - microchip,pd69220

Your driver suggests these are compatible.

> +
> +  reg:
> +    maxItems: 1
> +
> +  '#pse-cells':
> +    const: 1
> +
> +  ports-matrix:
> +    description: Port conversion matrix configuration

I do not see such property defined anywhere. Your description should
explain what the purpose is and what it is exactly. Currently you just
repeat property name, so quite pointless.


> +    $ref: /schemas/types.yaml#/definitions/uint32-matrix
> +    minItems: 1
> +    maxItems: 48
> +    items:
> +      items:
> +        - description: Logical port number
> +          minimum: 0
> +          maximum: 47
> +        - description: Physical port number A (0xff for undefined)
> +          oneOf:
> +            - minimum: 0
> +              maximum: 95
> +            - const: 0xff
> +        - description: Physical port number B (0xff for undefined)
> +          oneOf:
> +            - minimum: 0
> +              maximum: 95
> +            - const: 0xff
> +
> +additionalProperties: false

unevaluatedProperties: false instead

> +
> +required:
> +  - compatible
> +  - reg
> 

Best regards,
Krzysztof