Re: [PATCH net-next v5 2/6] dt-bindings: net: Brcm ASP 2.0 Ethernet controller

[Justin Chen]

On 5/31/23 12:18 PM, Krzysztof Kozlowski wrote:
> On 25/05/2023 01:01, Justin Chen wrote:
> > From: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> >
> > Add a binding document for the Broadcom ASP 2.0 Ethernet
> > controller.
> >
> > Signed-off-by: Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> > Signed-off-by: Justin Chen <justin.chen@xxxxxxxxxxxx>
> > ---
> > v5
> > 	- Fix compatible string yaml format to properly capture what we want
> >
> > v4
> >          - Adjust compatible string example to reference SoC and HW ver
> >
> > v3
> >          - Minor formatting issues
> >          - Change channel prop to brcm,channel for vendor specific format
> >          - Removed redundant v2.0 from compat string
> >          - Fix ranges field
> >
> > v2
> >          - Minor formatting issues
> >
> >   .../devicetree/bindings/net/brcm,asp-v2.0.yaml     | 149 +++++++++++++++++++++
> >   1 file changed, 149 insertions(+)
> >   create mode 100644 Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
> >
> > diff --git a/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
> > new file mode 100644
> > index 000000000000..c4cd24492bfd
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/net/brcm,asp-v2.0.yaml
> > @@ -0,0 +1,149 @@
> > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/net/brcm,asp-v2.0.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Broadcom ASP 2.0 Ethernet controller
> > +
> > +maintainers:
> > +  - Justin Chen <justin.chen@xxxxxxxxxxxx>
> > +  - Florian Fainelli <florian.fainelli@xxxxxxxxxxxx>
> > +
> > +description: Broadcom Ethernet controller first introduced with 72165
> > +
> > +properties:
> > +  '#address-cells':
>
> Judging by more comments, there will be a v6, thus please also use
> consistent quotes - either ' or ".
>
> > +    const: 1
> > +  '#size-cells':
> > +    const: 1
> > +
> > +  compatible:
>
> As Conor pointed out, compatible is always first.
>
> > +    oneOf:
> > +      - items:
> > +          - enum:
> > +              - brcm,bcm74165-asp
> > +          - const: brcm,asp-v2.1
> > +      - items:
> > +          - enum:
> > +              - brcm,bcm72165-asp
> > +          - const: brcm,asp-v2.0
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  ranges: true
> > +
> > +  interrupts:
> > +    minItems: 1
> > +    items:
> > +      - description: RX/TX interrupt
> > +      - description: Port 0 Wake-on-LAN
> > +      - description: Port 1 Wake-on-LAN
> > +
> > +  clocks:
> > +    maxItems: 1
> > +
> > +  ethernet-ports:
> > +    type: object
> > +    properties:
> > +      '#address-cells':
> > +        const: 1
> > +      '#size-cells':
> > +        const: 0
> > +
> > +    patternProperties:
> > +      "^port@[0-9]+$":
> > +        type: object
> > +
> > +        $ref: ethernet-controller.yaml#
> > +
> > +        properties:
> > +          reg:
> > +            maxItems: 1
> > +            description: Port number
> > +
> > +          brcm,channel:
> > +            $ref: /schemas/types.yaml#/definitions/uint32
> > +            description: ASP channel number
>
> Why do you need it? reg defines it. Your description does not explain
> here much, except copying property name. Can we please avoid
> descriptions which just copy name?
Will add a better description. The values may be different.

Thanks,
Justin

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