[PATCH V3 5/6] ASoC: dt-bindings: Add schema for "awinic, aw883xx"

Krzysztof Kozlowski krzysztof.kozlowski at linaro.org
Fri Nov 11 16:08:25 CET 2022


On 11/11/2022 12:26, wangweidong.a at awinic.com wrote:
> From: Weidong Wang <wangweidong.a at awinic.com>
> 
> Add a DT schema for describing Awinic AW883xx audio amplifiers. They are
> controlled using I2C.
> 
> Signed-off-by: Weidong Wang <wangweidong.a at awinic.com>
> ---
>  .../devicetree/bindings/sound/awinic,aw883xx.yaml  | 60 ++++++++++++++++++++++
>  1 file changed, 60 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml
> new file mode 100644
> index 0000000..1c0c726
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/awinic,aw883xx.yaml
> @@ -0,0 +1,60 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/awinic,aw883xx.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Awinic AW883xx Smart Audio Amplifier
> +
> +maintainers:
> +  - Stephan Gerhold <stephan at gerhold.net>
> +
> +description:
> +  The Awinic AW883XX is an I2S/TDM input, high efficiency
> +  digital Smart K audio amplifier with an integrated 10.25V
> +  smart boost convert.
> +
> +allOf:
> +  - $ref: name-prefix.yaml#
> +
> +properties:
> +  compatible:
> +    const: awinic,aw883xx_smartpa
> +
> +  reg:
> +    maxItems: 1
> +
> +  reset-gpio:

reset-gpios

> +    maxItems: 1
> +
> +  irq-gpio:

irq-gpios

> +    maxItems: 1

You also need here description

> +
> +  sound-channel:
> +    maxItems: 1

What's this? Does not look like a standard property. You need type and
description (and sometimes also vendor prefix...).


> +
> +  sound-name-prefix: true
> +
> +required:
> +  - compatible
> +  - reg
> +  - reset-gpio
> +  - irq-gpio
> +  - sound-channel
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    i2c {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +
> +        aw883xx_smartpa at 34 {
Node names should be generic, so codec or amplifier
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +            compatible = "awinic,aw883xx_smartpa";
> +            reg = <0x34>;
> +            reset-gpio = <&ap_gpio 92 0>;



> +            irq-gpio = <&ap_gpio 93 0>;

Use defines for flags.

> +            sound-channel = <0>;
> +        };
> +    };

Best regards,
Krzysztof



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