Re: [PATCH v8 1/4] dt-bindings: pwm: Add bindings for OpenCores PWM Controller

[Conor Dooley <conor@xxxxxxxxxx>]

On Wed, Nov 29, 2023 at 05:27:29PM +0800, William Qiu wrote:
> Add bindings for OpenCores PWM Controller.
> 
> Signed-off-by: William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
> Reviewed-by: Hal Feng <hal.feng@xxxxxxxxxxxxxxxx>
> ---
>  .../bindings/pwm/opencores,pwm.yaml           | 56 +++++++++++++++++++
>  1 file changed, 56 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/pwm/opencores,pwm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/pwm/opencores,pwm.yaml b/Documentation/devicetree/bindings/pwm/opencores,pwm.yaml
> new file mode 100644
> index 000000000000..133f2cd417f0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/pwm/opencores,pwm.yaml
> @@ -0,0 +1,56 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/pwm/opencores,pwm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: OpenCores PWM controller
> +
> +maintainers:
> +  - William Qiu <william.qiu@xxxxxxxxxxxxxxxx>
> +
> +description:
> +  OpenCores PTC ip core contains a PWM controller. When operating in PWM mode,

nit: "The OpenCores PTC IP core"

> +  the PTC core generates binary signal with user-programmable low and high
> +  periods. All PTC counters and registers are 32-bit.
> +
> +allOf:
> +  - $ref: pwm.yaml#
> +
> +properties:
> +  compatible:
> +    oneOf:
> +      - items:
> +          - enum:
> +              - starfive,jh7100-pwm
> +              - starfive,jh7110-pwm
> +          - const: opencores,pwm-v1

properties:
  compatible:
    items:
      - enum:
          - starfive,jh7100-pwm
          - starfive,jh7110-pwm
      - const: opencores,pwm-v1

Please use this form here instead.

Otherwise, this looks good to me now.

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  resets:
> +    maxItems: 1
> +
> +  "#pwm-cells":
> +    const: 3
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    pwm@12490000 {
> +        compatible = "starfive,jh7110-pwm", "opencores,pwm-v1";
> +        reg = <0x12490000 0x10000>;
> +        clocks = <&clkgen 181>;
> +        resets = <&rstgen 109>;
> +        #pwm-cells = <3>;
> +    };
> -- 
> 2.34.1
> 
>

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