linux-kernel - Re: [net-next PATCH 1/2] dt-bindings: Document QCA808x PHYs

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Message-ID: <b855eceb-05f4-4376-be62-2301d42575e7@linaro.org>
Date:   Mon, 11 Dec 2023 11:19:50 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Christian Marangi <ansuelsmth@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Andrew Lunn <andrew@...n.ch>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>, netdev@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [net-next PATCH 1/2] dt-bindings: Document QCA808x PHYs

On 09/12/2023 02:48, Christian Marangi wrote:
> Add Documentation for QCA808x PHYs for the additional property for the
> active high LED setting and also document the LED configuration for this
> PHY.
> 

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.

> Signed-off-by: Christian Marangi <ansuelsmth@...il.com>
> ---
>  .../devicetree/bindings/net/qca,qca808x.yaml  | 66 +++++++++++++++++++
>  1 file changed, 66 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/qca,qca808x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/qca,qca808x.yaml b/Documentation/devicetree/bindings/net/qca,qca808x.yaml
> new file mode 100644
> index 000000000000..73cfff357311
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qca,qca808x.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: GPL-2.0+

Dual license as checkpath and writing-bindings ask.

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qca,qca808x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Atheros QCA808X PHY
> +
> +maintainers:
> +  - Christian Marangi <ansuelsmth@...il.com>
> +
> +description:
> +  Bindings for Qualcomm Atheros QCA808X PHYs

Drop "Bindings for" and then entire sentence seems not useful.

> +
> +  QCA808X PHYs can have up to 3 LEDs attached.
> +  All 3 LEDs are disabled by default.
> +  2 LEDs have dedicated pins with the 3rd LED having the
> +  double function of Interrupt LEDs/GPIO or additional LED.
> +
> +  By default this special PIN is set to LED function.
> +
> +allOf:
> +  - $ref: ethernet-phy.yaml#
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - ethernet-phy-id004d.d101

I have impression that this is continuation of some other patchset...
Anyway, id004d.d101 is specific to QCA808x?

> +  required:
> +    - compatible
> +
> +properties:
> +  qca,led-active-high:
> +    description: Set all the LEDs to active high to be turned on.
> +    type: boolean


Best regards,
Krzysztof