Re: [PATCH 1/2] dt-bindings: pwm: sophgo: add bindings for sg2042
From: Yixun Lan
Date: Thu Sep 05 2024 - 22:44:59 EST
On 20:10 Thu 05 Sep , Chen Wang wrote:
> From: Chen Wang <unicorn_wang@xxxxxxxxxxx>
>
> Add binding document for sophgo,sg2042-pwm.
>
> Signed-off-by: Chen Wang <unicorn_wang@xxxxxxxxxxx>
> ---
> .../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@xxxxxxxxxxx>
> +
> +description: |
you can drop | here
> + 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.
I think you can drop this comment, since no useful information added
also it's already refered to standard pwm.yaml
> + const: 2
> +
> +required:
> + - compatible
> + - reg
> + - clocks
> + - clock-names
also "#pwm-cells"?
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + pwm@7f006000 {
> + compatible = "sophgo,sg2042-pwm";
> + reg = <0x7f006000 0x1000>;
> + #pwm-cells = <2>;
> + clocks = <&clock 67>;
> + clock-names = "apb";
> + };
> --
> 2.34.1
>
--
Yixun Lan (dlan)
Gentoo Linux Developer
GPG Key ID AABEFD55