Re: [PATCH v2 2/6] dt-bindings: soc: actions: Add Actions Semi Owl socinfo binding

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On Tue, Mar 30, 2021 at 04:48:17PM +0300, Cristian Ciocaltea wrote:
> Add devicetree binding for the Actions Semi Owl socinfo driver.
> 
> Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
> ---
>  .../bindings/soc/actions/owl-socinfo.yaml     | 57 +++++++++++++++++++
>  1 file changed, 57 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
> new file mode 100644
> index 000000000000..01e4a8b4f5ac
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/actions/owl-socinfo.yaml
> @@ -0,0 +1,57 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/actions/owl-socinfo.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Actions Semi Owl SoC info module
> +
> +maintainers:
> +  - Cristian Ciocaltea <cristian.ciocaltea@xxxxxxxxx>
> +
> +description: |
> +  Actions Semi Owl SoC info module provides access to various information
> +  about the S500, S700 and S900 SoC variants, such as serial number or id.
> +
> +select:
> +  properties:
> +    compatible:
> +      contains:
> +        enum:
> +          - actions,s500-soc
> +          - actions,s700-soc
> +          - actions,s900-soc
> +  required:
> +    - compatible
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - actions,s500-soc
> +          - actions,s700-soc
> +          - actions,s900-soc
> +      - const: simple-bus
> +
> +required:
> +  - compatible
> +
> +additionalProperties: true
> +
> +examples:
> +  - |
> +    / {
> +        compatible = "roseapplepi,roseapplepi", "actions,s500";
> +        model = "Roseapple Pi";
> +        #address-cells = <1>;
> +        #size-cells = <1>;
> +
> +        soc {
> +            compatible = "actions,s500-soc", "simple-bus";

What's the actual h/w for this bus? Still looks like abuse of DT to 
create your virtual soc_info driver.

> +            #address-cells = <1>;
> +            #size-cells = <1>;
> +            ranges;
> +        };
> +    };
> +
> +...
> -- 
> 2.31.1
> 



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