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Message-ID: <94dfc4c4-5fe6-438d-bcda-4f818eafd2f0@linaro.org>
Date: Fri, 2 Feb 2024 08:45:52 +0100
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Subject: Re: [net-next PATCH v5 6/9] dt-bindings: net: Document Qcom QCA807x
 PHY package
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To: Christian Marangi <ansuelsmth@gmail.com>,
 "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>,
 Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>,
 Rob Herring <robh+dt@kernel.org>,
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
 Conor Dooley <conor+dt@kernel.org>, Bjorn Andersson <andersson@kernel.org>,
 Konrad Dybcio <konrad.dybcio@linaro.org>, Andrew Lunn <andrew@lunn.ch>,
 Heiner Kallweit <hkallweit1@gmail.com>, Russell King
 <linux@armlinux.org.uk>, Frank Rowand <frowand.list@gmail.com>,
 Robert Marko <robert.marko@sartura.hr>, netdev@vger.kernel.org,
 devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
 linux-arm-msm@vger.kernel.org
References: <20240201151747.7524-1-ansuelsmth@gmail.com>
 <20240201151747.7524-7-ansuelsmth@gmail.com>
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
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In-Reply-To: <20240201151747.7524-7-ansuelsmth@gmail.com>
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On 01/02/2024 16:17, Christian Marangi wrote:
> Document Qcom QCA807x PHY package.
> 
> Qualcomm QCA807X Ethernet PHY is PHY package of 2 or 5
> IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and
> 1000BASE-T PHY-s.
> 
> Document the required property to make the PHY package correctly
> configure and work.
> 
> Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
> ---
>  .../devicetree/bindings/net/qcom,qca807x.yaml | 142 ++++++++++++++++++

Your bindings header must be squashed here. Headers are not separate
thing from the bindings.

>  1 file changed, 142 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/qcom,qca807x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/qcom,qca807x.yaml b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml
> new file mode 100644
> index 000000000000..1c3692897b02
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qcom,qca807x.yaml
> @@ -0,0 +1,142 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qcom,qca807x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm QCA807X Ethernet PHY

What is "X"? Wildcards are usually not expected.

> +
> +maintainers:
> +  - Christian Marangi <ansuelsmth@gmail.com>
> +  - Robert Marko <robert.marko@sartura.hr>
> +
> +description: |
> +  Qualcomm QCA807X Ethernet PHY is PHY package of 2 or 5
> +  IEEE 802.3 clause 22 compliant 10BASE-Te, 100BASE-TX and
> +  1000BASE-T PHY-s.
> +
> +  They feature 2 SerDes, one for PSGMII or QSGMII connection with
> +  MAC, while second one is SGMII for connection to MAC or fiber.
> +
> +  Both models have a combo port that supports 1000BASE-X and
> +  100BASE-FX fiber.
> +
> +  Each PHY inside of QCA807x series has 4 digitally controlled
> +  output only pins that natively drive LED-s for up to 2 attached
> +  LEDs. Some vendor also use these 4 output for GPIO usage without
> +  attaching LEDs.
> +
> +  Note that output pins can be set to drive LEDs OR GPIO, mixed
> +  definition are not accepted.
> +
> +  PHY package can be configured in 3 mode following this table:
> +
> +                First Serdes mode       Second Serdes mode
> +  Option 1      PSGMII for copper       Disabled
> +                ports 0-4
> +  Option 2      PSGMII for copper       1000BASE-X / 100BASE-FX
> +                ports 0-4
> +  Option 3      QSGMII for copper       SGMII for
> +                ports 0-3               copper port 4
> +
> +$ref: ethernet-phy-package.yaml#
> +
> +properties:
> +  compatible:
> +    const: qcom,qca807x-package
> +
> +  qcom,package-mode:

Where is definition of this property with type and description?

> +    enum:
> +      - qsgmii
> +      - psgmii
> +
> +  qcom,tx-driver-strength:

Use proper unit suffix.

https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/property-units.yaml

> +    description: set the TX Amplifier value in mv.
> +      If not defined, 600mw is set by default.
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    enum: [140, 160, 180, 200, 220,
> +           240, 260, 280, 300, 320,
> +           400, 500, 600]
> +
> +patternProperties:
> +  ^ethernet-phy(@[a-f0-9]+)?$:
> +    $ref: ethernet-phy.yaml#
> +
> +    properties:
> +      gpio-controller:
> +        description: set the output lines as GPIO instead of LEDs
> +        type: boolean
> +
> +      '#gpio-cells':
> +        description: number of GPIO cells for the PHY
> +        const: 2
> +
> +    dependencies:
> +      gpio-controller: ['#gpio-cells']

Why do you need it? None of gpio-controllers do it, I think.

> +
> +    if:
> +      required:
> +        - gpio-controller
> +    then:
> +      properties:
> +        leds: false
> +
> +    unevaluatedProperties: false
> +
> +required:
> +  - compatible
> +
> +unevaluatedProperties: false


Best regards,
Krzysztof