Re: [PATCH v2 1/4] dt-bindings: net: Add bindings for AX88796C SPI Ethernet Adapter

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On Fri, 2 Oct 2020 at 21:22, Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> wrote:
>
> Add bindings for AX88796C SPI Ethernet Adapter.
>
> Signed-off-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
> ---
>  .../bindings/net/asix,ax88796c-spi.yaml       | 76 +++++++++++++++++++
>  .../devicetree/bindings/vendor-prefixes.yaml  |  2 +
>  2 files changed, 78 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml b/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml
> new file mode 100644
> index 000000000000..50a488d59dbf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/asix,ax88796c-spi.yaml
> @@ -0,0 +1,76 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/asix,ax88796c-spi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ASIX AX88796C SPI Ethernet Adapter
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +
> +description: |
> +  ASIX AX88796C is an Ethernet controller with a built in PHY. This
> +  describes SPI mode of the chip.
> +
> +  The node for this driver must be a child node of a SPI controller, hence
> +  all mandatory properties described in ../spi/spi-bus.txt must be specified.
> +
> +maintainers:
> +  - Łukasz Stelmach <l.stelmach@xxxxxxxxxxx>
> +
> +properties:
> +  compatible:
> +    const: asix,ax99796c-spi
> +
> +  reg:
> +    description:
> +      SPI device address.
> +    maxItems: 1
> +
> +  spi-max-frequency:
> +    maximum: 40000000
> +
> +  interrupts:
> +    description:
> +     GPIO interrupt to which the chip is connected.
> +    maxItems: 1
> +
> +  interrupt-parrent:
> +    description:
> +      A phandle of an interrupt controller.
> +    maxItems: 1
> +
> +  reset-gpios:
> +    description:
> +      A GPIO line handling reset of the chip. As the line is active low,
> +      it should be marked GPIO_ACTIVE_LOW.
> +    maxItems: 1
> +
> +  local-mac-address: true
> +
> +  mac-address: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - spi-max-frequency
> +  - interrupts
> +  - interrupt-parrent
> +  - reset-gpios
> +
> +examples:
> +  # Artik5 eval board
> +  - |
> +    ax88796c@0 {
> +        compatible = "asix,ax88796c";
> +        local-mac-address = [00 00 00 00 00 00]; /* Filled in by a bootloader */
> +        interrupt-parent = <&gpx2>;
> +        interrupts = <0 IRQ_TYPE_LEVEL_LOW>;
> +        spi-max-frequency = <40000000>;
> +        reg = <0x0>;
> +        reset-gpios = <&gpe0 2 GPIO_ACTIVE_LOW>;

This and IRQ won't compile without defines, which Rob's robot just
pointed out. It seems you did not test the bindings you post.

Best regards,
Krzysztof




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