Re: [PATCH 1/2] dt-bindings: net: Add schema for LAN75XX compatible USB Ethernet controllers

Nicolai Buchwitz
2026-04-03T22:27:04Z

On 3.4.2026 21:02, Thomas Richard wrote:
> Create schema for LAN75XX compatible USB Ethernet controllers. The
> smsc75xx
> driver only supports LAN7500 and LAN7505 devices.
>
> Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
> ---
> .../devicetree/bindings/net/microchip,lan75xx.yaml | 52
> ++++++++++++++++++++++
> 1 file changed, 52 insertions(+)
>
> diff --git
> a/Documentation/devicetree/bindings/net/microchip,lan75xx.yaml
> b/Documentation/devicetree/bindings/net/microchip,lan75xx.yaml
> new file mode 100644
> index
> 0000000000000000000000000000000000000000..b84022976044ffec2024cff9fc0aa5016723abed
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/microchip,lan75xx.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/microchip,lan75xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip LAN7500/LAN7505 USB Ethernet Controllers
> +
> +maintainers:
> + - Thomas Richard <thomas.richard@bootlin.com>
> +
> +description:
> + Device tree properties for LAN75XX compatible USB Ethernet
> controller.
> +
> +allOf:
> + - $ref: ethernet-controller.yaml#
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - usb424,7500
> + - usb424,7505
> +
> + reg:
> + maxItems: 1
> +
> + local-mac-address: true
> + mac-address: true
> + nvmem-cells: true
> + nvmem-cell-names: true
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>

nit: not required by the example

> +
> + usb {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + ethernet@1 {
> + compatible = "usb424,7500";
> + reg = <1>;
> + local-mac-address = [00 00 00 00 00 00];
> + };
> + };

Reviewed-by: Nicolai Buchwitz <nb@tipi-net.de>

Thanks
Nicolai