linux-kernel - Re: [PATCH v7 2/2] Documentation: devictree: Add ipq806x mdio bindings

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Message-ID: <CAL_JsqL7hAX81hDg8L24n-xpJGzZLEu+kAvJfw=g2pzEo_LPOw@mail.gmail.com>
Date:   Tue, 25 Feb 2020 10:57:00 -0600
From:   Rob Herring <robh+dt@...nel.org>
To:     Ansuel Smith <ansuelsmth@...il.com>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        "David S. Miller" <davem@...emloft.net>,
        Mark Rutland <mark.rutland@....com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>,
        Heiner Kallweit <hkallweit1@...il.com>,
        Russell King <linux@...linux.org.uk>,
        linux-arm-msm <linux-arm-msm@...r.kernel.org>,
        netdev <netdev@...r.kernel.org>, devicetree@...r.kernel.org,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 2/2] Documentation: devictree: Add ipq806x mdio bindings

On Mon, Feb 24, 2020 at 3:10 PM Ansuel Smith <ansuelsmth@...il.com> wrote:
>

typo in the subject. Use 'dt-bindings: net: ...' for the subject prefix.

> Add documentations for ipq806x mdio driver.
>
> Signed-off-by: Ansuel Smith <ansuelsmth@...il.com>
> ---
> Changes in v7:
> - Fix dt_binding_check problem

Um, no you didn't...

>
>  .../bindings/net/qcom,ipq8064-mdio.yaml       | 55 +++++++++++++++++++
>  1 file changed, 55 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/qcom,ipq8064-mdio.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/qcom,ipq8064-mdio.yaml b/Documentation/devicetree/bindings/net/qcom,ipq8064-mdio.yaml
> new file mode 100644
> index 000000000000..3178cbfdc661
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qcom,ipq8064-mdio.yaml
> @@ -0,0 +1,55 @@
> +# SPDX-License-Identifier: GPL-2.0-or-later

Dual license new bindings please:

(GPL-2.0-only OR BSD-2-Clause)

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qcom,ipq8064-mdio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm ipq806x MDIO bus controller
> +
> +maintainers:
> +  - Ansuel Smith <ansuelsmth@...il.com>
> +
> +description: |+

Don't need '|+' unless you need specific formatting.

> +  The ipq806x soc have a MDIO dedicated controller that is
> +  used to comunicate with the gmac phy conntected.
> +  Child nodes of this MDIO bus controller node are standard
> +  Ethernet PHY device nodes as described in
> +  Documentation/devicetree/bindings/net/phy.txt
> +
> +allOf:
> +  - $ref: "mdio.yaml#"
> +
> +properties:
> +  compatible:
> +    const: qcom,ipq8064-mdio

blank line between properties please.

> +  reg:
> +    maxItems: 1
> +    description: address and length of the register set for the device

That's every 'reg', you can drop this.

> +  clocks:
> +    maxItems: 1
> +    description: A reference to the clock supplying the MDIO bus controller

That's every 'clocks', you can drop this.

> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +examples:
> +  - |
> +    mdio0: mdio@...00000 {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        compatible = "qcom,ipq8064-mdio", "syscon";

'syscon' doesn't match the schema and is wrong.

> +        reg = <0x37000000 0x200000>;

> +        resets = <&gcc GMAC_CORE1_RESET>;
> +        reset-names = "stmmaceth";

Not documented.

> +        clocks = <&gcc GMAC_CORE1_CLK>;

You need to include the header for these defines.

> +
> +        switch@10 {
> +            compatible = "qca,qca8337";
> +            /* ... */
> +        };
> +    };
> --
> 2.25.0
>