linux-kernel - Re: [PATCH v1 3/5] dt-bindings: net: Add HPE GXP UMAC

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Date:   Mon, 24 Jul 2023 10:20:41 -0600
From:   Rob Herring <robh@...nel.org>
To:     nick.hawkins@....com
Cc:     verdun@....com, davem@...emloft.net, edumazet@...gle.com,
        kuba@...nel.org, pabeni@...hat.com,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        netdev@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/5] dt-bindings: net: Add HPE GXP UMAC

On Fri, Jul 21, 2023 at 04:20:42PM -0500, nick.hawkins@....com wrote:
> From: Nick Hawkins <nick.hawkins@....com>
> 
> Provide access to the register regions and interrupt for Universal
> MAC(UMAC). The driver under the hpe,gxp-umac binding will provide an
> interface for sending and receiving networking data from both of the
> UMACs on the system.
> 
> Signed-off-by: Nick Hawkins <nick.hawkins@....com>
> ---
>  .../devicetree/bindings/net/hpe,gxp-umac.yaml | 111 ++++++++++++++++++
>  1 file changed, 111 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/hpe,gxp-umac.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/hpe,gxp-umac.yaml b/Documentation/devicetree/bindings/net/hpe,gxp-umac.yaml
> new file mode 100644
> index 000000000000..c3b68c4ba7f2
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/hpe,gxp-umac.yaml
> @@ -0,0 +1,111 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/hpe,gxp-umac.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HPE GXP Unified MAC Controller
> +
> +maintainers:
> +  - Nick Hawkins <nick.hawkins@....com>
> +
> +description: |

Don't need '|' if no formatting to maintain. Here and elsewhere.

> +  HPE GXP 802.3 10/100/1000T Ethernet Unifed MAC controller.
> +  Device node of the controller has following properties.
> +
> +properties:
> +  compatible:
> +    const: hpe,gxp-umac
> +
> +  use-ncsi:
> +    type: boolean
> +    description: |
> +      Indicates if the device should use NCSI (Network Controlled
> +      Sideband Interface).
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  mac-address: true
> +
> +  ethernet-ports:
> +    type: object
> +    additionalProperties: false
> +    description: Ethernet ports to PHY
> +
> +    properties:
> +      "#address-cells":
> +        const: 1
> +
> +      "#size-cells":
> +        const: 0
> +
> +    patternProperties:
> +      "^port@[0-1]$":
> +        type: object
> +        additionalProperties: false
> +        description: Port to PHY
> +
> +        properties:
> +          reg:
> +            minimum: 0
> +            maximum: 1
> +
> +          phy-handle:
> +            maxItems: 1
> +
> +        required:
> +          - reg
> +          - phy-handle
> +
> +  mdio:
> +    $ref: mdio.yaml#
> +    unevaluatedProperties: false
> +
> +additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - ethernet-ports
> +
> +examples:
> +  - |
> +    ethernet@...0 {
> +      compatible = "hpe,gxp-umac";
> +      reg = <0x4000 0x80>;
> +      interrupts = <22>;
> +      mac-address = [00 00 00 00 00 00]; /* Filled in by U-Boot */
> +      ethernet-ports {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        port@0 {
> +          reg = <0>;
> +          phy-handle = <&eth_phy0>;
> +        };
> +
> +        port@1 {
> +          reg = <1>;
> +          phy-handle = <&eth_phy1>;
> +        };
> +      };
> +
> +      mdio {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        eth_phy0: ethernet-phy@0 {
> +          reg = <0>;
> +        };
> +
> +        eth_phy1: ethernet-phy@1 {
> +          reg = <1>;
> +        };
> +      };
> +    };
> +...
> -- 
> 2.17.1
>