Re: [PATCH v15 02/16] dt-bindings: add Canaan boards compatible strings

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On Wed, Feb 03, 2021 at 09:58:59PM +0900, Damien Le Moal wrote:
> Introduce the file riscv/canaan.yaml to document compatible strings
> related to the Canaan Kendryte K210 SoC. The compatible string
> "canaan,kendryte-k210" used to indicate the use of this SoC to the
> early SoC init code is added. This new file also defines the compatible
> strings of all supported boards based on this SoC.
> 
> Cc: Rob Herring <robh@xxxxxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Signed-off-by: Damien Le Moal <damien.lemoal@xxxxxxx>
> Reviewed-by: Atish Patra <atish.patra@xxxxxxx>
> ---
>  .../devicetree/bindings/riscv/canaan.yaml     | 47 +++++++++++++++++++
>  1 file changed, 47 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/riscv/canaan.yaml
> 
> diff --git a/Documentation/devicetree/bindings/riscv/canaan.yaml b/Documentation/devicetree/bindings/riscv/canaan.yaml
> new file mode 100644
> index 000000000000..f8f3f286bd55
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/riscv/canaan.yaml
> @@ -0,0 +1,47 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/riscv/canaan.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Canaan SoC-based boards
> +
> +maintainers:
> +  - Damien Le Moal <damien.lemoal@xxxxxxx>
> +
> +description:
> +  Canaan Kendryte K210 SoC-based boards
> +
> +properties:
> +  $nodename:
> +    const: '/'
> +  compatible:
> +    oneOf:
> +      - items:
> +          - const: sipeed,maix-bit
> +          - const: sipeed,maix-bitm
> +          - const: canaan,kendryte-k210
> +
> +      - items:
> +          - const: sipeed,maix-go
> +          - const: canaan,kendryte-k210
> +
> +      - items:
> +          - const: sipeed,maix-dock-m1
> +          - const: sipeed,maix-dock-m1w
> +          - const: canaan,kendryte-k210
> +
> +      - items:
> +          - const: sipeed,maixduino
> +          - const: canaan,kendryte-k210
> +
> +      - items:
> +          - const: canaan,kendryte-kd233
> +          - const: canaan,kendryte-k210

You could combine all the 2 entry cases. Some boards do this form though 
to add a description on each one. Either way,

Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

> +
> +      - items:
> +          - const: canaan,kendryte-k210
> +
> +additionalProperties: true
> +
> +...
> -- 
> 2.29.2
> 



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