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

From: Rob Herring
Date: Mon Jul 24 2023 - 12:20:50 EST


On Fri, Jul 21, 2023 at 04:20:42PM -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 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@xxxxxxx>
> ---
> .../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@xxxxxxx>
> +
> +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@4000 {
> + 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
>