Re: [PATCH net-next v1 3/4] dt-bindings: net: add "label" property for all usbnet Ethernet controllers

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On Thu, Jan 27, 2022 at 11:49:04AM +0100, Oleksij Rempel wrote:
> For hard wired Ethernet controllers it is helpful to assign name related
> to port description on the board. Or name, related to the special
> internal function, if the USB ethernet controller attached to the CPU
> port of some DSA switch.

Yes, so add 'label' to ethernet-controller.yaml.

Then I don't think usbnet.yaml is needed.

> 
> This patch provides documentation for "label" property, reusable for all
> usbnet controllers.
> 
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/asix,ax88178.yaml |  4 ++-
>  .../bindings/net/microchip,lan95xx.yaml       |  4 ++-
>  .../devicetree/bindings/net/usbnet.yaml       | 36 +++++++++++++++++++
>  3 files changed, 42 insertions(+), 2 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/usbnet.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/asix,ax88178.yaml b/Documentation/devicetree/bindings/net/asix,ax88178.yaml
> index 74b6806006e3..c8ad767a2e45 100644
> --- a/Documentation/devicetree/bindings/net/asix,ax88178.yaml
> +++ b/Documentation/devicetree/bindings/net/asix,ax88178.yaml
> @@ -13,7 +13,7 @@ description: |
>    Device tree properties for hard wired USB Ethernet devices.
>  
>  allOf:
> -  - $ref: ethernet-controller.yaml#
> +  - $ref: usbnet.yaml#
>  
>  properties:
>    compatible:
> @@ -58,6 +58,7 @@ properties:
>            - usb6189,182d  # Sitecom LN-029
>  
>    reg: true
> +  label: true
>    local-mac-address: true
>    mac-address: true
>  
> @@ -77,6 +78,7 @@ examples:
>          ethernet@1 {
>              compatible = "usbdb0,a877";
>              reg = <1>;
> +            label = "LAN0";
>              local-mac-address = [00 00 00 00 00 00];
>          };
>      };
> diff --git a/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml b/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml
> index b185c7068a8a..259879bba3a0 100644
> --- a/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml
> +++ b/Documentation/devicetree/bindings/net/microchip,lan95xx.yaml
> @@ -14,7 +14,7 @@ description: |
>    controller.
>  
>  allOf:
> -  - $ref: ethernet-controller.yaml#
> +  - $ref: usbnet.yaml#
>  
>  properties:
>    compatible:
> @@ -40,6 +40,7 @@ properties:
>            - usb424,ec00   # SMSC9512/9514 USB Hub & Ethernet Device
>  
>    reg: true
> +  label: true
>    local-mac-address: true
>    mac-address: true
>  
> @@ -59,6 +60,7 @@ examples:
>          ethernet@1 {
>              compatible = "usb424,ec00";
>              reg = <1>;
> +            label = "LAN0";
>              local-mac-address = [00 00 00 00 00 00];
>          };
>      };
> diff --git a/Documentation/devicetree/bindings/net/usbnet.yaml b/Documentation/devicetree/bindings/net/usbnet.yaml
> new file mode 100644
> index 000000000000..fe0848433263
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/usbnet.yaml
> @@ -0,0 +1,36 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/usbnet.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: The device tree bindings for the USB Ethernet controllers
> +
> +maintainers:
> +  - Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> +
> +description: |
> +  Device tree properties for hard wired USB Ethernet devices.
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +properties:
> +  compatible: true
> +
> +  reg:
> +    description: Port number
> +
> +  label:
> +    description:
> +      Describes the label associated with this port, which will become
> +      the netdev name
> +    $ref: /schemas/types.yaml#/definitions/string
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: true
> +
> +...
> -- 
> 2.30.2
> 
> 



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