Re: [PATCH net-next 2/3] dt-bindings: net: add T-HEAD dwmac support

[Krzysztof Kozlowski]

On 20/08/2023 14:02, Jisheng Zhang wrote:
> Add documentation to describe T-HEAD dwmac.
> 
> Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
> ---

Thank you for your patch. There is something to discuss/improve.

> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/thead,dwmac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: T-HEAD DWMAC glue layer

Describe/name rather the actual device, not some layer.

> +
> +maintainers:
> +  - Jisheng Zhang <jszhang@xxxxxxxxxx>
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - thead,th1520-dwmac
> +  required:
> +    - compatible
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - thead,th1520-dwmac
> +      - const: snps,dwmac-3.70a
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: GMAC main clock
> +      - description: AXI clock
> +
> +  clock-names:
> +    items:
> +      - const: stmmaceth
> +      - const: axi

Isn't basically axi clock a pclk? You should rather use the names from
snps,dwmac

> +
> +  thead,gmacapb:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description:
> +      The phandle to the syscon node that control ethernet
> +      interface and timing delay.
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - interrupts
> +  - interrupt-names
> +  - phy-mode
> +  - thead,gmacapb

Best regards,
Krzysztof