linux-kernel - Re: [RFC PATCH 03/13] ASoC: qcom: dt-bindings: add bindings Audio Processing manager

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Date:   Fri, 18 Jun 2021 14:16:21 -0600
From:   Rob Herring <robh@...nel.org>
To:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Cc:     bjorn.andersson@...aro.org, broonie@...nel.org,
        plai@...eaurora.org, tiwai@...e.de, devicetree@...r.kernel.org,
        perex@...ex.cz, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org, lgirdwood@...il.com,
        bgoswami@...eaurora.org
Subject: Re: [RFC PATCH 03/13] ASoC: qcom: dt-bindings: add bindings Audio
 Processing manager

On Mon, Jun 07, 2021 at 04:28:26PM +0100, Srinivas Kandagatla wrote:
> This patch adds bindings support for Qualcomm Audio Processing Manager
> service in Audio DSP.
> 
> Audio Process Manager is one of the static service in DSP which is
> responsible for Command/response handling, graph Management
> and Control/Event management between modules.
> 
> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> ---
>  .../devicetree/bindings/sound/qcom,q6apm.yaml | 72 +++++++++++++++++++
>  1 file changed, 72 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
> new file mode 100644
> index 000000000000..9906ef935206
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,q6apm.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/sound/qcom,q6apm.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Qualcomm Audio Process Manager binding
> +
> +maintainers:
> +  - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> +
> +description: |
> +  This binding describes the Qualcomm Audio Process Manager service in DSP
> +
> +properties:
> +  compatible:
> +    const: qcom,q6apm
> +
> +  reg:
> +    maxItems: 1
> +
> +#APM Services
> +patternProperties:
> +  "^.*@[0-9a-f]+$":

You can drop '^.*'.

> +    type: object
> +    description:
> +      APM devices use subnodes for services.
> +
> +    properties:
> +      compatible:
> +        enum:
> +          - qcom,q6apm-dai
> +          - qcom,q6apm-bedai
> +
> +      iommus:
> +        maxItems: 1
> +
> +      "#sound-dai-cels":

cells?

How is this optional?

> +        const: 1
> +
> +    required:
> +      - compatible
> +      - reg
> +
> +    additionalProperties: false
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: true

This needs to be false and fix whatever is missing.

> +
> +examples:
> +  - |
> +    gpr {
> +        #address-cells = <1>;
> +        #size-cells = <0>;
> +        gprservice@1 {
> +          compatible = "qcom,q6apm";
> +          reg = <1>;
> +
> +          q6apm-dai {

This doesn't match what you have in the schema at all.

> +            compatible = "qcom,q6apm-dai";
> +            #sound-dai-cels = <1>;
> +          };
> +
> +          q6apm-bedai {
> +            compatible = "qcom,q6apm-bedai";
> +            #sound-dai-cels = <1>;
> +          };
> +        };
> +    };
> -- 
> 2.21.0
> 
>