[PATCH v8 2/5] dt-bindings: soc: sophgo: Add Sophgo system control module

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Tue Jan 16 02:06:02 PST 2024


On 16/01/2024 08:21, Chen Wang wrote:
> From: Chen Wang <unicorn_wang at outlook.com>
> 
> Add documentation to describe Sophgo System Control for SG2042.
> 
> Signed-off-by: Chen Wang <unicorn_wang at outlook.com>
> ---
>  .../soc/sophgo/sophgo,sg2042-sysctrl.yaml     | 46 +++++++++++++++++++
>  1 file changed, 46 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml
> 
> diff --git a/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml
> new file mode 100644
> index 000000000000..7b50bb56b4cf
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/sophgo/sophgo,sg2042-sysctrl.yaml
> @@ -0,0 +1,46 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/sophgo/sophgo,sg2042-sysctrl.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo SG2042 SoC system control
> +
> +maintainers:
> +  - Chen Wang <unicorn_wang at outlook.com>
> +
> +description:
> +  The Sophgo system control is a registers block (SYS_CTRL), providing multiple
> +  low level platform functions like chip configuration, clock control, etc.
> +
> +properties:
> +  compatible:
> +    const: sophgo,sg2042-sysctrl
> +
> +  reg:
> +    maxItems: 1
> +
> +  clock-controller:
> +    # Child node

Drop the comment, it is obvious. It cannot be anything else.

> +    $ref: /schemas/clock/sophgo,sg2042-sysclk.yaml#
> +    type: object

Why isn't this merged here? You do not need the child node really...
unless the clock inputs are specific to that clock controller and you
will have here more devices? But where are they in such case?

> +
> +required:
> +  - compatible
> +  - reg
> +  - clock-controller
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    system-control at 30010000 {

Why did you change the name? Please provide detailed changelog with
explanation of such changes.


> +        compatible = "sophgo,sg2042-sysctrl";
> +        reg = <0x30010000 0x1000>;
> +

Best regards,
Krzysztof




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