[PATCH 1/2] dt-bindings: pwm: sophgo: add bindings for sg2042

Krzysztof Kozlowski krzk at kernel.org
Fri Sep 6 03:31:19 PDT 2024


On Thu, Sep 05, 2024 at 08:10:25PM +0800, Chen Wang wrote:
> From: Chen Wang <unicorn_wang at outlook.com>
> 
> Add binding document for sophgo,sg2042-pwm.

A nit, subject: drop second/last, redundant "bindings for". The
"dt-bindings" prefix is already stating that these are bindings.
See also:
https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18

Say something useful about hardware instead. The same in commit msg -
you keep saying obvious and duplicated commit subject.

> 
> Signed-off-by: Chen Wang <unicorn_wang at outlook.com>
> ---
>  .../bindings/pwm/sophgo,sg2042-pwm.yaml       | 52 +++++++++++++++++++
>  1 file changed, 52 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml b/Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
> new file mode 100644
> index 000000000000..10212694dd41
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/sophgo,sg2042-pwm.yaml
> @@ -0,0 +1,52 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/sophgo,sg2042-pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Sophgo SG2042 PWM controller
> +
> +maintainers:
> +  - Chen Wang <unicorn_wang at outlook.com>
> +
> +description: |

drop |

> +  This controller contains 4 channels which can generate PWM waveforms.
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    const: sophgo,sg2042-pwm
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: apb
> +
> +  "#pwm-cells":
> +    # See pwm.yaml in this directory for a description of the cells format.

Drop

> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +
> +additionalProperties: false

unevaluatedProperties instead

Best regards,
Krzysztof




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