[PATCH v5 2/7] dt-bindings: soc: starfive: Add StarFive syscon module

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue Jun 13 11:32:18 PDT 2023


On 13/06/2023 14:58, Xingyu Wu wrote:
> From: William Qiu <william.qiu at starfivetech.com>
> 
> Add documentation to describe StarFive System Controller Registers.
> 
> Co-developed-by: Xingyu Wu <xingyu.wu at starfivetech.com>
> Signed-off-by: Xingyu Wu <xingyu.wu at starfivetech.com>
> Signed-off-by: William Qiu <william.qiu at starfivetech.com>
> ---
>  .../soc/starfive/starfive,jh7110-syscon.yaml  | 62 +++++++++++++++++++
>  MAINTAINERS                                   |  7 +++
>  2 files changed, 69 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..a81190f8a54d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> @@ -0,0 +1,62 @@
> +# 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 at starfivetech.com>
> +
> +description: |

Do not need '|' unless you need to preserve formatting.

> +  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:
> +          - const: starfive,jh7110-sys-syscon
> +          - const: syscon
> +          - const: simple-mfd
> +      - items:
> +          - enum:
> +              - starfive,jh7110-aon-syscon
> +              - starfive,jh7110-stg-syscon
> +          - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +  clock-controller:
> +    $ref: /schemas/clock/starfive,jh7110-pll.yaml#
> +    type: object
> +
> +  "#power-domain-cells":
> +    const: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            const: starfive,jh7110-aon-syscon
> +    then:
> +      required:
> +        - "#power-domain-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    syscon at 10240000 {
> +        compatible = "starfive,jh7110-stg-syscon", "syscon";
> +        reg = <0x10240000 0x1000>;

Extend example - add clock controller, add power-domains to STG (since
it has them, as you claim in the binding).

Make this one example complete.

Best regards,
Krzysztof




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