Re: [PATCH V2] dt-bindings: net: ks8851: Convert to YAML schema

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On Thu, Jun 10, 2021 at 04:59:54PM +0200, Marek Vasut wrote:
> Convert the Micrel KSZ8851 DT bindings to YAML schema.
> 
> Signed-off-by: Marek Vasut <marex@xxxxxxx>
> Cc: Andrew Lunn <andrew@xxxxxxx>
> Cc: David S. Miller <davem@xxxxxxxxxxxxx>
> Cc: Lukas Wunner <lukas@xxxxxxxxx>
> Cc: Petr Stetiar <ynezz@xxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: linux@xxxxxxxxxxxxxxxxxx
> Cc: netdev@xxxxxxxxxxxxxxx
> To: devicetree@xxxxxxxxxxxxxxx
> ---
> V2: - Explicitly state the bindings are for both SPI and parallel bus options
>     - Switch the license to (GPL-2.0-only OR BSD-2-Clause)
> ---
>  .../bindings/net/micrel,ks8851.yaml           | 94 +++++++++++++++++++
>  .../devicetree/bindings/net/micrel-ks8851.txt | 18 ----
>  2 files changed, 94 insertions(+), 18 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/net/micrel,ks8851.yaml
>  delete mode 100644 Documentation/devicetree/bindings/net/micrel-ks8851.txt
> 
> diff --git a/Documentation/devicetree/bindings/net/micrel,ks8851.yaml b/Documentation/devicetree/bindings/net/micrel,ks8851.yaml
> new file mode 100644
> index 000000000000..3a3fc61baac3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/net/micrel,ks8851.yaml
> @@ -0,0 +1,94 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/net/micrel,ks8851.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Micrel KS8851 Ethernet MAC (SPI and Parallel bus options)
> +
> +maintainers:
> +  - Marek Vasut <marex@xxxxxxx>
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - const: "micrel,ks8851"      # SPI bus option
> +      - const: "micrel,ks8851-mll"  # Parallel bus option

Don't need quotes and use 'enum' rather than 'oneOf+const'.

> +
> +  interrupts:
> +    maxItems: 1
> +
> +  reg:
> +    minItems: 1
> +    maxItems: 2

Need to define what each entry is when more than 1.

> +
> +  reset-gpios:
> +    maxItems: 1
> +    description:
> +      The reset_n input pin
> +
> +  vdd-supply:
> +    description: |
> +      Analog 3.3V supply for Ethernet MAC (see regulator/regulator.yaml)

Drop (see regulator/regulator.yaml). (If we want that, we should 
generate the cross ref).

> +
> +  vdd-io-supply:
> +    description: |
> +      Digital 1.8V IO supply for Ethernet MAC (see regulator/regulator.yaml)
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +allOf:
> +  - $ref: ethernet-controller.yaml#
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: "micrel,ks8851"

Drop quotes

> +    then:
> +      properties:
> +        reg:
> +          maxItems: 1
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: "micrel,ks8851-mll"
> +    then:
> +      properties:
> +        reg:
> +          minItems: 2
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    /* SPI bus option */
> +    spi {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        ethernet@0 {
> +            compatible = "micrel,ks8851";
> +            reg = <0>;
> +            interrupt-parent = <&msmgpio>;
> +            interrupts = <90 8>;
> +            vdd-supply = <&ext_l2>;
> +            vdd-io-supply = <&pm8921_lvs6>;
> +            reset-gpios = <&msmgpio 89 0>;
> +        };
> +    };
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +    /* Parallel bus option */
> +    memory-controller {
> +        #address-cells = <2>;
> +        #size-cells = <1>;
> +        ethernet@1,0 {
> +            compatible = "micrel,ks8851-mll";
> +            reg = <1 0x0 0x2>, <1 0x2 0x20000>;
> +            interrupt-parent = <&gpioc>;
> +            interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
> +        };
> +    };
> diff --git a/Documentation/devicetree/bindings/net/micrel-ks8851.txt b/Documentation/devicetree/bindings/net/micrel-ks8851.txt
> deleted file mode 100644
> index bbdf9a7359a2..000000000000
> --- a/Documentation/devicetree/bindings/net/micrel-ks8851.txt
> +++ /dev/null
> @@ -1,18 +0,0 @@
> -Micrel KS8851 Ethernet mac (MLL)
> -
> -Required properties:
> -- compatible = "micrel,ks8851-mll" of parallel interface
> -- reg : 2 physical address and size of registers for data and command
> -- interrupts : interrupt connection
> -
> -Micrel KS8851 Ethernet mac (SPI)
> -
> -Required properties:
> -- compatible = "micrel,ks8851" or the deprecated "ks8851"
> -- reg : chip select number
> -- interrupts : interrupt connection
> -
> -Optional properties:
> -- vdd-supply: analog 3.3V supply for Ethernet mac
> -- vdd-io-supply: digital 1.8V IO supply for Ethernet mac
> -- reset-gpios: reset_n input pin
> -- 
> 2.30.2
> 
> 



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