linux-kernel - Re: [PATCH 1/2] dt-bindings: arm: sti: addition of STi platform syscon

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Date:   Sun, 12 Feb 2023 17:00:24 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Alain Volmat <avolmat@...com>, Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Patrice Chotard <patrice.chotard@...s.st.com>
Cc:     devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] dt-bindings: arm: sti: addition of STi platform
 syscon

Thank you for your patch. There is something to discuss/improve. Few nits.

On 11/02/2023 22:04, Alain Volmat wrote:
> Addition of the various STi platform syscon node description.

Use imperative.
https://elixir.bootlin.com/linux/v5.17.1/source/Documentation/process/submitting-patches.rst#L95

> 
> Signed-off-by: Alain Volmat <avolmat@...com>
> ---
>  .../bindings/arm/sti/st,sti-syscon.yaml       | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/arm/sti/st,sti-syscon.yaml
> 
> diff --git a/Documentation/devicetree/bindings/arm/sti/st,sti-syscon.yaml b/Documentation/devicetree/bindings/arm/sti/st,sti-syscon.yaml
> new file mode 100644
> index 000000000000..e4bbc90694b3
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/arm/sti/st,sti-syscon.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/arm/sti/st,sti-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: STMicroelectronics STi platform sysconfig entries


Drop "entries", does not look related to hardware.

> +
> +maintainers:
> +  - Patrice Chotard <patrice.chotard@...s.st.com>
> +
> +description: |
> +  Binding for the various sysconfig nodes used within the STi
> +  platform device-tree to point to some common configuration
> +  registers used by other nodes.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - st,stih407-sbc-syscfg
> +          - st,stih407-front-syscfg
> +          - st,stih407-rear-syscfg
> +          - st,stih407-flash-syscfg
> +          - st,stih407-sbc-reg-syscfg
> +          - st,stih407-core-syscfg
> +          - st,stih407-lpm-syscfg

How about putting them in some order?

> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscfg_sbc: sbc-syscfg@...0000 {

Generic node names, thus usually syscon or system-controller
> +...

Best regards,
Krzysztof