Re: [PATCH net-next v3 12/12] dt-bindings: net: add Microchip's LAN865X 10BASE-T1S MACPHY

[Conor Dooley <conor@kernel.org>]

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On Wed, Mar 06, 2024 at 02:20:17PM +0530, Parthiban Veerasooran wrote:
> The LAN8650/1 combines a Media Access Controller (MAC) and an Ethernet
> PHY to enable 10BASE-T1S networks. The Ethernet Media Access Controller
> (MAC) module implements a 10 Mbps half duplex Ethernet MAC, compatible
> with the IEEE 802.3 standard and a 10BASE-T1S physical layer transceiver
> integrated into the LAN8650/1. The communication between the Host and the
> MAC-PHY is specified in the OPEN Alliance 10BASE-T1x MACPHY Serial
> Interface (TC6).
> 
> Signed-off-by: Parthiban Veerasooran <Parthiban.Veerasooran@microchip.com>
> ---
>  .../bindings/net/microchip,lan865x.yaml       | 80 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 81 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/microchip,lan865x.yaml b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> new file mode 100644
> index 000000000000..ee52f9d8e93c
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/microchip,lan865x.yaml
> @@ -0,0 +1,80 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/microchip,lan865x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Microchip LAN8650/1 10BASE-T1S MACPHY Ethernet Controllers
> +
> +maintainers:
> +  - Parthiban Veerasooran <parthiban.veerasooran@microchip.com>
> +
> +description:
> +  The LAN8650/1 combines a Media Access Controller (MAC) and an Ethernet
> +  PHY to enable 10BASE‑T1S networks. The Ethernet Media Access Controller
> +  (MAC) module implements a 10 Mbps half duplex Ethernet MAC, compatible
> +  with the IEEE 802.3 standard and a 10BASE-T1S physical layer transceiver
> +  integrated into the LAN8650/1. The communication between the Host and
> +  the MAC-PHY is specified in the OPEN Alliance 10BASE-T1x MACPHY Serial
> +  Interface (TC6).
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: microchip,lan8650
> +          - const: microchip,lan8651

The order here is wrong, lan8561 needs to come before the fallback of
lan8650.

> +      - enum:
> +          - microchip,lan8650
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    description:
> +      Interrupt from MAC-PHY asserted in the event of Receive Chunks
> +      Available, Transmit Chunk Credits Available and Extended Status
> +      Event.
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    minimum: 15000000
> +    maximum: 25000000

You're missing a reference to spi-peripheral-props where this property
is defined.

Thanks,
Conor.

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