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# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,q6asm-dais.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Audio Stream Manager (Q6ASM)
maintainers:
- Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description:
Q6ASM is one of the APR audio services on Q6DSP. Each of its subnodes
represent a dai with board specific configuration.
properties:
compatible:
enum:
- qcom,q6asm-dais
iommus:
maxItems: 1
"#sound-dai-cells":
const: 1
"#address-cells":
const: 1
"#size-cells":
const: 0
patternProperties:
"^dai@[0-9]+$":
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>;
};
};
};
};
|
