xref: /linux/Documentation/devicetree/bindings/sound/qcom,q6asm-dais.yaml (revision c532de5a67a70f8533d495f8f2aaa9a0491c3ad0) 
1# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/sound/qcom,q6asm-dais.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Qualcomm Audio Stream Manager (Q6ASM)
8
9maintainers:
10  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
11  - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
12
13description:
14  Q6ASM is one of the APR audio services on Q6DSP. Each of its subnodes
15  represent a dai with board specific configuration.
16
17properties:
18  compatible:
19    enum:
20      - qcom,q6asm-dais
21
22  iommus:
23    maxItems: 1
24
25  "#sound-dai-cells":
26    const: 1
27
28  "#address-cells":
29    const: 1
30
31  "#size-cells":
32    const: 0
33
34patternProperties:
35  "^dai@[0-9]+$":
36    type: object
37    description:
38      Q6ASM Digital Audio Interface
39
40    properties:
41      reg:
42        maxItems: 1
43
44      direction:
45        $ref: /schemas/types.yaml#/definitions/uint32
46        enum: [0, 1, 2]
47        description: |
48          The direction of the dai stream::
49           - Q6ASM_DAI_TX_RX (0) for both tx and rx
50           - Q6ASM_DAI_TX (1) for only tx (Capture/Encode)
51           - Q6ASM_DAI_RX (2) for only rx (Playback/Decode)
52
53      is-compress-dai:
54        type: boolean
55        description:
56          Compress offload dai.
57
58    dependencies:
59      is-compress-dai: [ direction ]
60
61    required:
62      - reg
63
64    additionalProperties: false
65
66required:
67  - compatible
68  - "#sound-dai-cells"
69  - "#address-cells"
70  - "#size-cells"
71
72additionalProperties: false
73
74examples:
75  - |
76    dais {
77        compatible = "qcom,q6asm-dais";
78        iommus = <&apps_smmu 0x1821 0x0>;
79        #address-cells = <1>;
80        #size-cells = <0>;
81        #sound-dai-cells = <1>;
82
83        dai@0 {
84            reg = <0>;
85        };
86
87        dai@1 {
88            reg = <1>;
89        };
90
91        dai@2 {
92            reg = <2>;
93            is-compress-dai;
94            direction = <1>;
95        };
96    };
97