Subject: Re: [PATCH v3 2/3] dt-bindings: add Qualcomm IPQ4019 MDIO bindings

From: Rob Herring <[email-masked]>
Date: Tue, 28 Apr 2020 10:09:30 -0500

On Wed, Apr 15, 2020 at 05:02:46PM +0200, Robert Marko wrote:
> This patch adds the binding document for the IPQ40xx MDIO driver.
> 
> Signed-off-by: Robert Marko <[email-masked]>
> Cc: Luka Perkov <[email-masked]>
> ---
> Changes from v2 to v3:
> * Remove status from example
> 
>  .../bindings/net/qcom,ipq40xx-mdio.yaml       | 61 +++++++++++++++++++
>  1 file changed, 61 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/qcom,ipq40xx-mdio.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/qcom,ipq40xx-mdio.yaml b/Documentation/devicetree/bindings/net/qcom,ipq40xx-mdio.yaml
> new file mode 100644
> index 000000000000..8d4542ccd38c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/qcom,ipq40xx-mdio.yaml
> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: GPL-2.0

Dual license new bindings please:

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

> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/qcom,ipq40xx-mdio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm IPQ40xx MDIO Controller Device Tree Bindings
> +
> +maintainers:
> +  - Robert Marko <[email-masked]>
> +
> +allOf:
> +  - $ref: "mdio.yaml#"
> +
> +properties:
> +  compatible:
> +    const: qcom,ipq40xx-mdio

Don't use wildcards in compatible names. Should be SoC specific. If 'all 
the same', then use a fallback to the 1st implementation.

> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - "#address-cells"
> +  - "#size-cells"
> +
> +examples:
> +  - |
> +    mdio@90000 {
> +      #address-cells = <1>;
> +      #size-cells = <0>;
> +      compatible = "qcom,ipq40xx-mdio";
> +      reg = <0x90000 0x64>;
> +
> +      ethphy0: ethernet-phy@0 {
> +        reg = <0>;
> +      };
> +
> +      ethphy1: ethernet-phy@1 {
> +        reg = <1>;
> +      };
> +
> +      ethphy2: ethernet-phy@2 {
> +        reg = <2>;
> +      };
> +
> +      ethphy3: ethernet-phy@3 {
> +        reg = <3>;
> +      };
> +
> +      ethphy4: ethernet-phy@4 {
> +        reg = <4>;
> +      };
> +    };
> -- 
> 2.26.0
>