Re: [PATCH v7 7/9] dt-bindings: mfd: Add bindings for Ampere Altra SMPro MFD driver

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On 21/03/2022 09:13, Quan Nguyen wrote:
> Adds device tree bindings for SMPro MFD driver found on the Mt.Jade
> hardware reference platform with Ampere's Altra Processor family.
> 
> The SMpro co-processor on Ampere Altra processor family is to monitor
> and report various data included hwmon-related info, RAS errors, and
> other miscellaneous information.
> 
> Signed-off-by: Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>
> ---
> Changes in v7:
>   + None
> 
> Changes in v6:
>   + None
> 
>  .../devicetree/bindings/mfd/ampere,smpro.yaml | 48 +++++++++++++++++++
>  1 file changed, 48 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
> 
> diff --git a/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
> new file mode 100644
> index 000000000000..c29d975c1bc3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mfd/ampere,smpro.yaml
> @@ -0,0 +1,48 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/mfd/ampere,smpro.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Ampere Altra SMPro firmware driver
> +
> +maintainers:
> +  - Quan Nguyen <quan@xxxxxxxxxxxxxxxxxxxxxx>
> +
> +description: |
> +  Ampere Altra SMPro firmware may contain different blocks like hardware
> +  monitoring, error monitoring and other miscellaneous features.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - ampere,smpro
> +
> +  reg:
> +    description:
> +      I2C device address.
> +    maxItems: 1
> +
> +  "#address-cells":
> +    const: 1
> +
> +  "#size-cells":
> +    const: 0

Why do you need address/size cells? Is the binding not complete? The
commit description does not mention such case.



Best regards,
Krzysztof



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