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Message-ID: <848b6e87-357b-4935-857e-337ad72a2b06@linaro.org>
Date: Sat, 17 Feb 2024 15:03:56 +0100
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Subject: Re: [PATCH net-next v4 14/17] dt-bindings: net: pse-pd: Add bindings
 for PD692x0 PSE controller
Content-Language: en-US
To: Kory Maincent <kory.maincent@bootlin.com>,
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
 Jonathan Corbet <corbet@lwn.net>, Luis Chamberlain <mcgrof@kernel.org>,
 Russ Weight <russ.weight@linux.dev>,
 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
 "Rafael J. Wysocki" <rafael@kernel.org>, Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Oleksij Rempel
 <o.rempel@pengutronix.de>, Mark Brown <broonie@kernel.org>,
 Frank Rowand <frowand.list@gmail.com>, Andrew Lunn <andrew@lunn.ch>,
 Heiner Kallweit <hkallweit1@gmail.com>, Russell King <linux@armlinux.org.uk>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>, netdev@vger.kernel.org,
 linux-kernel@vger.kernel.org, linux-doc@vger.kernel.org,
 devicetree@vger.kernel.org, Dent Project <dentproject@linuxfoundation.org>
References: <20240215-feature_poe-v4-0-35bb4c23266c@bootlin.com>
 <20240215-feature_poe-v4-14-35bb4c23266c@bootlin.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240215-feature_poe-v4-14-35bb4c23266c@bootlin.com>
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On 15/02/2024 17:02, Kory Maincent wrote:
> Add the PD692x0 I2C Power Sourcing Equipment controller device tree
> bindings documentation.
> 
> This patch is sponsored by Dent Project <dentproject@linuxfoundation.org>.
> 
> Signed-off-by: Kory Maincent <kory.maincent@bootlin.com>
> ---
> 
> Changes in v2:
> - Enhance ports-matrix description.
> - Replace additionalProperties by unevaluatedProperties.
> - Drop i2c suffix.
> 
> Changes in v3:
> - Remove ports-matrix parameter.
> - Add description of all physical ports and managers.
> - Add pse_pis subnode moving to the API of pse-controller binding.
> - Remove the MAINTAINERS section for this driver as I will be maintaining
>   all pse-pd subsystem.
> ---
>  .../bindings/net/pse-pd/microchip,pd692x0.yaml     | 157 +++++++++++++++++++++
>  1 file changed, 157 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml
> new file mode 100644
> index 000000000000..57ba5365157c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/pse-pd/microchip,pd692x0.yaml
> @@ -0,0 +1,157 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/pse-pd/microchip,pd692x0.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip PD692x0 Power Sourcing Equipment controller
> +
> +maintainers:
> +  - Kory Maincent <kory.maincent@bootlin.com>
> +
> +allOf:
> +  - $ref: pse-controller.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - microchip,pd69200
> +      - microchip,pd69210
> +      - microchip,pd69220
> +
> +  reg:
> +    maxItems: 1
> +
> +  managers:
> +    $ref: "#/$defs/managers"
> +    description:
> +      List of the PD69208T4/PD69204T4/PD69208M PSE managers. Each manager
> +      have 4 or 8 physical ports according to the chip version. No need to
> +      specify the SPI chip select as it is automatically detected by the
> +      PD692x0 PSE controller. The PSE managers have to be described from
> +      the lowest chip select to the greatest one, which is the detection
> +      behavior of the PD692x0 PSE controller. The PD692x0 support up to
> +      12 PSE managers which can expose up to 96 physical ports. All
> +      physical ports available on a manager have to be described in the
> +      incremental order even if they are not used.
> +
> +required:
> +  - compatible
> +  - reg
> +  - pse_pis
> +
> +$defs:

Why do you need defs for it? You use it only in one place.

..

> +
> +        pse_pis {

Again... no underscores in node names.

> +          #address-cells = <1>;
> +          #size-cells = <0>;
> +
> +          pse_pi0: pse_pi@0 {

Just compile your DTS with W=2.


Best regards,
Krzysztof