Re: [PATCH v4 5/7] dt-bindings: soc: starfive: Add StarFive syscon module

From: Krzysztof Kozlowski
Date: Fri May 12 2023 - 02:36:11 EST


On 12/05/2023 04:20, Xingyu Wu wrote:
> From: William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
>
> Add documentation to describe StarFive System Controller Registers.
>
> Co-developed-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring <robh@xxxxxxxxxx>

You made significant changes. Explain them in changelog here and drop
the tag.

> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
> ---
> .../soc/starfive/starfive,jh7110-syscon.yaml | 67 +++++++++++++++++++
> MAINTAINERS | 7 ++
> 2 files changed, 74 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..26dc99cb0c89
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/starfive/starfive,jh7110-syscon.yaml
> @@ -0,0 +1,67 @@
> +# 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@xxxxxxxxxxxxxxxx>
> +
> +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:
> + - 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

Add it to the existing examples.

This part confuses me... why aon appeared here? Why power-controller
disappeared? I don't think that Rob or me proposed any of this.

> +
> +required:
> + - compatible
> + - reg
> +
> +allOf:
> + - if:
> + properties:
> + compatible:
> + contains:
> + const: starfive,jh7110-aon-syscon
> + then:
> + required:
> + - "#power-domain-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + syscon@10240000 {
> + compatible = "starfive,jh7110-stg-syscon", "syscon";
> + reg = <0x10240000 0x1000>;
> + };
> +
> + syscon@13030000 {
> + compatible = "starfive,jh7110-sys-syscon", "syscon", "simple-mfd";
> + reg = <0x13030000 0x1000>;

Why simple-mfd? You do not have any children here.



Best regards,
Krzysztof