Subject: Re: [net-next v3 3/3] dt-bindings: net: adin1110: Add docs

From: Rob Herring <[email-masked]>
Date: Wed, 3 Aug 2022 14:40:36 -0600

On Tue, Aug 02, 2022 at 06:59:47PM +0300, [email-masked] wrote:
> From: Alexandru Tachici <[email-masked]>
> 
> Add bindings for the ADIN1110/2111 MAC-PHY/SWITCH.
> 
> Signed-off-by: Alexandru Tachici <[email-masked]>
> ---
>  .../devicetree/bindings/net/adi,adin1110.yaml | 82 +++++++++++++++++++
>  1 file changed, 82 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/adi,adin1110.yaml
> 
> diff --git a/Documentation/devicetree/bindings/net/adi,adin1110.yaml b/Documentation/devicetree/bindings/net/adi,adin1110.yaml
> new file mode 100644
> index 000000000000..b929b677f16a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/adi,adin1110.yaml
> @@ -0,0 +1,82 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/adi,adin1110.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ADI ADIN1110 MAC-PHY
> +
> +maintainers:
> +  - Alexandru Tachici <[email-masked]>
> +
> +description: |
> +  The ADIN1110 is a low power single port 10BASE-T1L MAC-
> +  PHY designed for industrial Ethernet applications. It integrates
> +  an Ethernet PHY core with a MAC and all the associated analog
> +  circuitry, input and output clock buffering.
> +
> +  The ADIN2111 is a low power, low complexity, two-Ethernet ports
> +  switch with integrated 10BASE-T1L PHYs and one serial peripheral
> +  interface (SPI) port. The device is designed for industrial Ethernet
> +  applications using low power constrained nodes and is compliant
> +  with the IEEE 802.3cg-2019 Ethernet standard for long reach
> +  10 Mbps single pair Ethernet (SPE).
> +
> +  The device has a 4-wire SPI interface for communication
> +  between the MAC and host processor.
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +  - $ref: /schemas/spi/spi-peripheral-props.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - adi,adin1110
> +      - adi,adin2111
> +

> +  '#address-cells':
> +    const: 1
> +
> +  '#size-cells':
> +    const: 0

These apply to child nodes, but you don't have any child nodes.

> +
> +  reg:
> +    maxItems: 1
> +
> +  adi,spi-crc:
> +    description: |
> +      Enable CRC8 checks on SPI read/writes.
> +    type: boolean
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    spi {
> +        ethernet@0 {
> +            compatible = "adi,adin2111";
> +            reg = <0>;
> +            spi-max-frequency = <24500000>;
> +
> +            adi,spi-crc;
> +
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            interrupt-parent = <&gpio>;
> +            interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
> +
> +            local-mac-address = [ 00 11 22 33 44 55 ];
> +        };
> +    };
> -- 
> 2.25.1
> 
>