Re: [PATCH v1 1/5] dt-bindings: net: Add HPE GXP UMAC MDIO

From: Conor Dooley
Date: Mon Jul 24 2023 - 13:33:51 EST


On Fri, Jul 21, 2023 at 04:20:40PM -0500, nick.hawkins@xxxxxxx wrote:
> From: Nick Hawkins <nick.hawkins@xxxxxxx>
>
> Provide access to the register regions and interrupt for Universal
> MAC(UMAC). The driver under the hpe,gxp-umac-mdio will provide an
> interface for managing both the internal and external PHYs.
>
> Signed-off-by: Nick Hawkins <nick.hawkins@xxxxxxx>
> ---
> .../bindings/net/hpe,gxp-umac-mdio.yaml | 51 +++++++++++++++++++
> 1 file changed, 51 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/net/hpe,gxp-umac-mdio.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/hpe,gxp-umac-mdio.yaml b/Documentation/devicetree/bindings/net/hpe,gxp-umac-mdio.yaml
> new file mode 100644
> index 000000000000..bb0db1bb67b1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/hpe,gxp-umac-mdio.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/hpe,gxp-umac-mdio.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HPE GXP UMAC MDIO Controller
> +
> +maintainers:
> + - Nicholas Hawkins <nick.hawkins@xxxxxxx>
> +
> +description: |+

You've got no formatting to preserve, so even | on its own would be
wasted here.

> + The HPE GXP Unversal MAC (UMAC) MDIO controller provides a configuration
> + path for both external PHY's and SERDES connected PHY's.
> +
> +allOf:
> + - $ref: mdio.yaml#
> +
> +properties:
> + compatible:
> + const: hpe,gxp-umac-mdio
> +
> + reg:
> + maxItems: 1

> + description: The register range of the MDIO controller instance

This is a statement of the obvious, no?

Otherwise, looks okay to me.
Reviewed-by: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>

Thanks,
Conor.

> + resets:
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - "#address-cells"
> + - "#size-cells"
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> + mdio0: mdio@4080 {
> + compatible = "hpe,gxp-umac-mdio";
> + reg = <0x4080 0x10>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethphy0: ethernet-phy@0 {
> + compatible = "ethernet-phy-ieee802.3-c22";
> + phy-mode = "sgmii";
> + reg = <0>;
> + };
> + };
> --
> 2.17.1
>

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