Re: [PATCH 1/2] dt-bindings: pwm: Add T-HEAD PWM controller

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Hey,

On Fri, Sep 29, 2023 at 01:02:53AM +0800, Jisheng Zhang wrote:
> T-HEAD SoCs such as the TH1520 contain a PWM controller used
> among other things to control the LCD backlight, fan and so on.

"such as", are there others?

> 
> Signed-off-by: Jisheng Zhang <jszhang@xxxxxxxxxx>
> ---
>  .../devicetree/bindings/pwm/pwm-thead.yaml    | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/pwm-thead.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/pwm-thead.yaml b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml
> new file mode 100644
> index 000000000000..8a7cf7129321
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/pwm-thead.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/pwm-thead.yaml#

The filename etc should match the compatible, especially when afaict
there's only one applicable SoC.

Otherwise, this looks good to me.

Thanks,
Conor.

> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: T-HEAD PWM
> +
> +maintainers:
> +  - Jisheng Zhang <jszhang@xxxxxxxxxx>
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    enum:
> +      - thead,th1520-pwm
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  "#pwm-cells":
> +    const: 2
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +
> +    pwm@ec01c000 {
> +        compatible = "thead,th1520-pwm";
> +        reg = <0xec01c000 0x1000>;
> +        clocks = <&clk 1>;
> +        #pwm-cells = <2>;
> +    };
> -- 
> 2.40.1
> 

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