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Date: Wed, 7 Sep 2022 12:57:59 -0500
From: Rob Herring <robh@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: Andy Gross <agross@...nel.org>,
Bjorn Andersson <andersson@...nel.org>,
Konrad Dybcio <konrad.dybcio@...ainline.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, alsa-devel@...a-project.org
Subject: Re: [PATCH v2 09/14] ASoC: dt-bindings:: qcom,q6asm: convert to
dtschema
On Wed, Sep 07, 2022 at 12:15:51PM +0200, Krzysztof Kozlowski wrote:
> Convert Qualcomm Audio Stream Manager (Q6ASM) bindings to DT schema.
>
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
>
> ---
>
> Expected warning because the qcom,apr.yaml is being fixed in next commit:
>
> Documentation/devicetree/bindings/sound/qcom,q6asm.example.dtb: apr: service@7: 'dais' does not match any of the regexes: '^.*@[0-9a-f]+$', 'pinctrl-[0-9]+'
> From schema: /home/krzk/dev/linux/linux/Documentation/devicetree/bindings/soc/qcom/qcom,apr.yaml
>
> Changes since v1:
> 1. New patch.
> ---
> .../devicetree/bindings/sound/qcom,q6asm.txt | 70 -----------
> .../devicetree/bindings/sound/qcom,q6asm.yaml | 112 ++++++++++++++++++
> 2 files changed, 112 insertions(+), 70 deletions(-)
> delete mode 100644 Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> create mode 100644 Documentation/devicetree/bindings/sound/qcom,q6asm.yaml
Should be qcom,q6asm-dais.yaml or you need to add qcom,q6asm compatible?
>
> diff --git a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt b/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> deleted file mode 100644
> index 0d0075125243..000000000000
> --- a/Documentation/devicetree/bindings/sound/qcom,q6asm.txt
> +++ /dev/null
> @@ -1,70 +0,0 @@
> -Qualcomm Audio Stream Manager (Q6ASM) binding
> -
> -Q6ASM is one of the APR audio service on Q6DSP.
> -Please refer to qcom,apr.txt for details of the common apr service bindings
> -used by the apr service device.
> -
> -- but must contain the following property:
> -
> -- compatible:
> - Usage: required
> - Value type: <stringlist>
> - Definition: must be "qcom,q6asm-v<MAJOR-NUMBER>.<MINOR-NUMBER>".
> - Or "qcom,q6asm" where the version number can be queried
> - from DSP.
> - example "qcom,q6asm-v2.0"
Where is this compatible handled now?
> -
> -= ASM DAIs (Digital Audio Interface)
> -"dais" subnode of the ASM node represents dai specific configuration
> -
> -- compatible:
> - Usage: required
> - Value type: <stringlist>
> - Definition: must be "qcom,q6asm-dais".
> -
> -- #sound-dai-cells
> - Usage: required
> - Value type: <u32>
> - Definition: Must be 1
> -
> -== ASM DAI is subnode of "dais" and represent a dai, it includes board specific
> -configuration of each dai. Must contain the following properties.
> -
> -- reg
> - Usage: required
> - Value type: <u32>
> - Definition: Must be dai id
> -
> -- direction:
> - Usage: Required for Compress offload dais
> - Value type: <u32>
> - Definition: Specifies the direction of the dai stream
> - Q6ASM_DAI_TX_RX (0) for both tx and rx
> - Q6ASM_DAI_TX (1) for only tx (Capture/Encode)
> - Q6ASM_DAI_RX (2) for only rx (Playback/Decode)
> -
> -- is-compress-dai:
> - Usage: Required for Compress offload dais
> - Value type: <boolean>
> - Definition: present for Compress offload dais
> -
> -
> -= EXAMPLE
> -#include <dt-bindings/sound/qcom,q6asm.h>
> -
> -apr-service@7 {
> - compatible = "qcom,q6asm";
> - reg = <APR_SVC_ASM>;
> - q6asmdai: dais {
> - compatible = "qcom,q6asm-dais";
> - #address-cells = <1>;
> - #size-cells = <0>;
> - #sound-dai-cells = <1>;
> -
> - dai@0 {
> - reg = <0>;
> - direction = <Q6ASM_DAI_RX>;
> - is-compress-dai;
> - };
> - };
> -};
> diff --git a/Documentation/devicetree/bindings/sound/qcom,q6asm.yaml b/Documentation/devicetree/bindings/sound/qcom,q6asm.yaml
> new file mode 100644
> index 000000000000..505bd64a0717
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/sound/qcom,q6asm.yaml
> @@ -0,0 +1,112 @@
> +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/sound/qcom,q6asm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Qualcomm Audio Stream Manager (Q6ASM)
> +
> +maintainers:
> + - Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
> + - Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
> +
> +description:
> + Q6ASM is one of the APR audio services on Q6DSP. Each of its subnodes
> + represent a dai with board specific configuration.
> +
> +properties:
> + compatible:
> + enum:
> + - qcom,q6asm-dais
> +
> + iommus:
> + maxItems: 1
> +
> + '#sound-dai-cells':
> + const: 1
> +
> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0
> +
> +patternProperties:
> + '^dai@[0-9]+$':
> + type: object
> + description:
> + Q6ASM Digital Audio Interface
> +
> + properties:
> + reg:
> + maxItems: 1
> +
> + direction:
> + $ref: /schemas/types.yaml#/definitions/uint32
> + enum: [0, 1, 2]
> + description: |
> + The direction of the dai stream::
> + - Q6ASM_DAI_TX_RX (0) for both tx and rx
> + - Q6ASM_DAI_TX (1) for only tx (Capture/Encode)
> + - Q6ASM_DAI_RX (2) for only rx (Playback/Decode)
> +
> + is-compress-dai:
> + type: boolean
> + description:
> + Compress offload dai.
> +
> + dependencies:
> + is-compress-dai: ['direction']
> +
> + required:
> + - reg
> +
> + additionalProperties: false
> +
> +required:
> + - compatible
> + - "#sound-dai-cells"
> + - "#address-cells"
> + - "#size-cells"
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/soc/qcom,apr.h>
> + #include <dt-bindings/sound/qcom,q6asm.h>
> +
> + apr {
> + compatible = "qcom,apr-v2";
> + qcom,domain = <APR_DOMAIN_ADSP>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + service@7 {
> + compatible = "qcom,q6asm";
> + reg = <APR_SVC_ASM>;
> + qcom,protection-domain = "avs/audio", "msm/adsp/audio_pd";
> +
> + dais {
> + compatible = "qcom,q6asm-dais";
> + iommus = <&apps_smmu 0x1821 0x0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> + #sound-dai-cells = <1>;
> +
> + dai@0 {
> + reg = <0>;
> + };
> +
> + dai@1 {
> + reg = <1>;
> + };
> +
> + dai@2 {
> + reg = <2>;
> + is-compress-dai;
> + direction = <1>;
> + };
> + };
> + };
> + };
> --
> 2.34.1
>
>
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