Re: [PATCH v2 15/15] dt-bindings: net: add bindings for ADIN PHY driver

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On Thu, Aug 8, 2019 at 6:31 AM Alexandru Ardelean
<alexandru.ardelean@xxxxxxxxxx> wrote:
>
> This change adds bindings for the Analog Devices ADIN PHY driver, detailing
> all the properties implemented by the driver.
>
> Signed-off-by: Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/net/adi,adin.yaml     | 76 +++++++++++++++++++
>  MAINTAINERS                                   |  1 +
>  2 files changed, 77 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/net/adi,adin.yaml
>
> diff --git a/Documentation/devicetree/bindings/net/adi,adin.yaml b/Documentation/devicetree/bindings/net/adi,adin.yaml
> new file mode 100644
> index 000000000000..86177c8fe23a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/adi,adin.yaml
> @@ -0,0 +1,76 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/adi,adin.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Analog Devices ADIN1200/ADIN1300 PHY
> +
> +maintainers:
> +  - Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> +
> +description: |
> +  Bindings for Analog Devices Industrial Ethernet PHYs
> +
> +allOf:
> +  - $ref: ethernet-phy.yaml#
> +
> +properties:
> +  adi,rx-internal-delay-ps:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      RGMII RX Clock Delay used only when PHY operates in RGMII mode with
> +      internal delay (phy-mode is 'rgmii-id' or 'rgmii-rxid') in pico-seconds.
> +    enum: [ 1600, 1800, 2000, 2200, 2400 ]
> +    default: 2000

This doesn't actually do what you think. The '$ref' has to be under an
'allOf' to work. It's an oddity of json-schema. However, anything with
a standard unit suffix already has a schema to define the type, so you
don't need to here and can just drop $ref.

> +
> +  adi,tx-internal-delay-ps:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      RGMII TX Clock Delay used only when PHY operates in RGMII mode with
> +      internal delay (phy-mode is 'rgmii-id' or 'rgmii-txid') in pico-seconds.
> +    enum: [ 1600, 1800, 2000, 2200, 2400 ]
> +    default: 2000
> +
> +  adi,fifo-depth-bits:
> +    $ref: /schemas/types.yaml#/definitions/uint32
> +    description: |
> +      When operating in RMII mode, this option configures the FIFO depth.
> +    enum: [ 4, 8, 12, 16, 20, 24 ]
> +    default: 8
> +
> +  adi,disable-energy-detect:
> +    description: |
> +      Disables Energy Detect Powerdown Mode (default disabled, i.e energy detect
> +      is enabled if this property is unspecified)
> +    type: boolean
> +
> +examples:
> +  - |
> +    ethernet {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        phy-mode = "rgmii-id";
> +
> +        ethernet-phy@0 {
> +            reg = <0>;
> +
> +            adi,rx-internal-delay-ps = <1800>;
> +            adi,tx-internal-delay-ps = <2200>;
> +        };
> +    };
> +  - |
> +    ethernet {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        phy-mode = "rmii";
> +
> +        ethernet-phy@1 {
> +            reg = <1>;
> +
> +            adi,fifo-depth-bits = <16>;
> +            adi,disable-energy-detect;
> +        };
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index e8aa8a667864..fd9ab61c2670 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -944,6 +944,7 @@ L:  netdev@xxxxxxxxxxxxxxx
>  W:     http://ez.analog.com/community/linux-device-drivers
>  S:     Supported
>  F:     drivers/net/phy/adin.c
> +F:     Documentation/devicetree/bindings/net/adi,adin.yaml
>
>  ANALOG DEVICES INC ADIS DRIVER LIBRARY
>  M:     Alexandru Ardelean <alexandru.ardelean@xxxxxxxxxx>
> --
> 2.20.1
>



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