1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-mixer.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Tegra210 Mixer
8
9 description: |
10 The Mixer supports mixing of up to ten 7.1 audio input streams and
11 generate five outputs (each of which can be any combination of the
12 ten input streams).
13
14 maintainers:
15 - Jon Hunter <jonathanh@nvidia.com>
16 - Mohan Kumar <mkumard@nvidia.com>
17 - Sameer Pujar <spujar@nvidia.com>
18
19 allOf:
20 - $ref: dai-common.yaml#
21
22 properties:
23 $nodename:
24 pattern: "^amixer@[0-9a-f]*$"
25
26 compatible:
27 oneOf:
28 - const: nvidia,tegra210-amixer
29 - items:
30 - enum:
31 - nvidia,tegra234-amixer
32 - nvidia,tegra194-amixer
33 - nvidia,tegra186-amixer
34 - const: nvidia,tegra210-amixer
35
36 reg:
37 maxItems: 1
38
39 sound-name-prefix:
40 pattern: "^MIXER[1-9]$"
41
42 ports:
43 $ref: /schemas/graph.yaml#/properties/ports
44 description: |
45 Mixer has ten inputs and five outputs. Accordingly ACIF (Audio
46 Client Interfaces) port nodes are defined to represent Mixer
47 inputs (port 0 to 9) and outputs (port 10 to 14). These are
48 connected to corresponding ports on AHUB (Audio Hub).
49
50 patternProperties:
51 '^port@[0-9]':
52 $ref: audio-graph-port.yaml#
53 unevaluatedProperties: false
54 description: Mixer ACIF input ports
55 '^port@[10-14]':
56 $ref: audio-graph-port.yaml#
57 unevaluatedProperties: false
58 description: Mixer ACIF output ports
59
60 required:
61 - compatible
62 - reg
63
64 additionalProperties: false
65
66 examples:
67 - |
68
69 amixer@702dbb00 {
70 compatible = "nvidia,tegra210-amixer";
71 reg = <0x702dbb00 0x800>;
72 sound-name-prefix = "MIXER1";
73 };
74
75 ...
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