Re: [PATCH 01/12] dt-bindings: arm: bcm: Convert Cygnus to YAML

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Hi Florian,

On Sun, Feb 02, 2020 at 01:18:16PM -0800, Florian Fainelli wrote:
> Update the Broadocom Cygnus SoC binding document for boards/SoCs to use
> YAML. Verified with dt_binding_check and dtbs_check.
>
> Signed-off-by: Florian Fainelli <f.fainelli@xxxxxxxxx>
> ---
>  .../bindings/arm/bcm/brcm,cygnus.txt          | 31 ---------
>  .../bindings/arm/bcm/brcm,cygnus.yaml         | 66 +++++++++++++++++++
>  2 files changed, 66 insertions(+), 31 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt
>  create mode 100644 Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.yaml
>
> diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt b/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt
> deleted file mode 100644
> index 4c77169bb534..000000000000
> --- a/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -Broadcom Cygnus device tree bindings
> -------------------------------------
> -
> -
> -Boards with Cygnus SoCs shall have the following properties:
> -
> -Required root node property:
> -
> -BCM11300
> -compatible = "brcm,bcm11300", "brcm,cygnus";
> -
> -BCM11320
> -compatible = "brcm,bcm11320", "brcm,cygnus";
> -
> -BCM11350
> -compatible = "brcm,bcm11350", "brcm,cygnus";
> -
> -BCM11360
> -compatible = "brcm,bcm11360", "brcm,cygnus";
> -
> -BCM58300
> -compatible = "brcm,bcm58300", "brcm,cygnus";
> -
> -BCM58302
> -compatible = "brcm,bcm58302", "brcm,cygnus";
> -
> -BCM58303
> -compatible = "brcm,bcm58303", "brcm,cygnus";
> -
> -BCM58305
> -compatible = "brcm,bcm58305", "brcm,cygnus";
> diff --git a/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.yaml b/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.yaml
> new file mode 100644
> index 000000000000..2606ca956caf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/bcm/brcm,cygnus.yaml
> @@ -0,0 +1,66 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/bcm/brcm,cygnus.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Broadcom Cygnus device tree bindings
> +
> +maintainers:
> +   - Ray Jui <rjui@xxxxxxxxxxxx>
> +   - Scott Branden <sbranden@xxxxxxxxxxxx>
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - description: BCM11300 based boards
> +        items:
> +          - enum:
> +              - brcm,bcm11300
> +          - const: brcm,cygnus
> +
> +      - description: BCM11320 based boards
> +        items:
> +          - enum:
> +              - brcm,bcm11320
> +          - const: brcm,cygnus

This applies to other patches in your series too, but this can be
simplified to either (removing the description to make the example
simpler):

oneOf:
  - items:
    - const: brcm,bcm11300
    - const: brcm,cygnus
  - items:
    - const: brcm,bcm11320
    - const: brcm,cygnus

Or

items:
  - enum:
    - brcm,bcm11300
    - brcm,bcm11320
  - const: brcm,cygnus

The latter will provide more meaningful errors, so you should probably
pick this one over the former.

Maxime



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