Re: [PATCH v1 1/2] dt-bindings: net: Add support NPCM dwmac

[Krzysztof Kozlowski]

On 21/11/2023 16:17, Tomer Maimon wrote:
> Add documentation to describe Nuvoton BMC NPCM dwmac driver(sgmii).
> 
> Signed-off-by: Tomer Maimon <tmaimon77@xxxxxxxxx>
> ---
>  .../bindings/net/nuvoton,npcm8xx-sgmii.yaml   | 72 +++++++++++++++++++
>  .../devicetree/bindings/net/snps,dwmac.yaml   |  1 +
>  2 files changed, 73 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml b/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml
> new file mode 100644
> index 000000000000..6a5f2cade7c9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/nuvoton,npcm8xx-sgmii.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/nuvoton,npcm8xx-sgmii.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Nuvoton NPCM DWMAC SGMII Ethernet controller
> +
> +maintainers:
> +  - Tomer Maimon <tmaimon77@xxxxxxxxx>
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - nuvoton,npcm8xx-sgmii

This must be specific compatible, no wildcards. Then use the same for
filename.

> +  required:
> +    - compatible
> +
> +allOf:
> +  - $ref: snps,dwmac.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - nuvoton,npcm8xx-sgmii
> +          - const: snps,dwmac-3.50a

Blank line

> +  reg:
> +    items:
> +      - description:
> +          The first range represent DWMAC controller registers.

Keep it in one line and drop redundant "The first range represent".

> +      - description:
> +          The second range represent PCS configuration registers.
> +
> +  clocks:
> +    items:
> +      - description: GMAC main clock
> +
> +  clock-names:
> +    items:
> +      - const: stmmaceth
> +

Constrain also interrupts and resets.

> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    #include <dt-bindings/clock/nuvoton,npcm845-clk.h>
> +
> +    ahb {
> +      #address-cells = <2>;
> +      #size-cells = <2>;

Your indentation is mixed. Use 4 spaces for example indentation.

> +
> +      gmac0: ethernet@f0802000 {

Best regards,
Krzysztof