[alsa-devel] [RESEND PATCH v4 3/4] dt-bindings: ASoC: Add WSA881x bindings

Rob Herring robh+dt at kernel.org
Tue Aug 27 14:20:21 CEST 2019


On Thu, Aug 22, 2019 at 6:38 PM Srinivas Kandagatla
<srinivas.kandagatla at linaro.org> wrote:
>
> This patch adds bindings for WSA8810/WSA8815 Class-D Smart Speaker
> Amplifier. This Amplifier also has a simple thermal sensor for
> over temperature and speaker protection.
>
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> ---
>  .../bindings/sound/qcom,wsa881x.yaml          | 44 +++++++++++++++++++
>  1 file changed, 44 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
>
> diff --git a/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml b/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
> new file mode 100644
> index 000000000000..ad718d75c660
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,wsa881x.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: GPL-2.0
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/qcom,wsa881x.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Bindings for Qualcomm WSA8810/WSA8815 Class-D Smart Speaker Amplifier
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
> +
> +allOf:
> +  - $ref: "soundwire-controller.yaml#"

This is not the controller, so this should not be included here. You
should get lots of warnings from doing so. You did run 'make
dt_binding_check', right?

> +
> +properties:
> +  compatible:
> +    const: sdw10217201000
> +
> +  reg:
> +    maxItems: 1
> +
> +  pd-gpios:

powerdown-gpios is the standard name.

> +    description: GPIO spec for Powerdown/Shutdown line to use
> +    maxItems: 1
> +
> +  "#thermal-sensor-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - reg
> +  - pd-gpios
> +  - #thermal-sensor-cells
> +
> +examples:
> +  - |
> +    efuse at 1c23800 {
> +        compatible = "allwinner,sun4i-a10-sid";

Huh?

> +        reg = <0x01c23800 0x10>;
> +        pd-gpios = <&wcdpinctrl 2 0>;
> +        #thermal-sensor-cells = <0>;
> +    };
> +
> +...
> --
> 2.21.0
>


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