linux-kernel - Re: [PATCH v7 1/2] dt-bindings: soc: starfive: Add StarFive syscon doc

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Message-ID: <833b68a5-263d-d293-4910-2ca50b43e60d@linaro.org>
Date:   Thu, 6 Apr 2023 20:30:00 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     William Qiu <william.qiu@...rfivetech.com>,
        devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Cc:     Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor@...nel.org>,
        Emil Renner Berthing <kernel@...il.dk>
Subject: Re: [PATCH v7 1/2] dt-bindings: soc: starfive: Add StarFive syscon
 doc

On 06/04/2023 12:33, William Qiu wrote:
> Add documentation to describe StarFive System Controller Registers.

Subject: drop second/last, redundant "doc". The "dt-bindings" prefix is
already stating that these are documentation files.

> 
> Signed-off-by: William Qiu <william.qiu@...rfivetech.com>
> ---
>  .../soc/starfive/starfive,jh7110-syscon.yaml  | 56 +++++++++++++++++++
>  MAINTAINERS                                   |  5 ++
>  2 files changed, 61 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> new file mode 100644
> index 000000000000..0d0319426b67
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/starfive/starfive,jh7110-syscon.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive JH7110 SoC system controller
> +
> +maintainers:
> +  - William Qiu <william.qiu@...rfivetech.com>
> +
> +description: |
> +  The StarFive JH7110 SoC system controller provides register information such
> +  as offset, mask and shift to configure related modules such as MMC and PCIe.
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - starfive,jh7110-aon-syscon
> +              - starfive,jh7110-sys-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +      - items:
> +          - const: starfive,jh7110-stg-syscon
> +          - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  clock-controller:
> +    type: object

This should be rather specific schema, so $ref.

> +
> +  power-controller:
> +    type: object

Same problem.

> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon@...40000 {
> +        compatible = "starfive,jh7110-stg-syscon", "syscon";
> +        reg = <0x10240000 0x1000>;
> +    };
> +
> +    syscon@...30000 {
> +        compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
> +        reg = <0x13030000 0x1000>;
> +    };
Best regards,
Krzysztof