1 # SPDX-License-Identifier: (GPL-2.0-only OR BS
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/sound/nvidi
5 $schema: http://devicetree.org/meta-schemas/co
6
7 title: Tegra186 ASRC
8
9 description: |
10 Asynchronous Sample Rate Converter (ASRC) co
11 of the input signal from one frequency to an
12 wide range of sample rate ratios (freq_in/fr
13 ASRC has two modes of operation. One where r
14 and the other where it gets the information
15
16 It supports sample rate conversions in the
17 supports 6 streams upto 12 total channels. T
18 16, 24 and 32 bits.
19
20 maintainers:
21 - Jon Hunter <jonathanh@nvidia.com>
22 - Mohan Kumar <mkumard@nvidia.com>
23 - Sameer Pujar <spujar@nvidia.com>
24
25 allOf:
26 - $ref: dai-common.yaml#
27
28 properties:
29 $nodename:
30 pattern: "^asrc@[0-9a-f]*$"
31
32 compatible:
33 oneOf:
34 - const: nvidia,tegra186-asrc
35 - items:
36 - enum:
37 - nvidia,tegra234-asrc
38 - nvidia,tegra194-asrc
39 - const: nvidia,tegra186-asrc
40
41 reg:
42 maxItems: 1
43
44 sound-name-prefix:
45 pattern: "^ASRC[1-9]$"
46
47 ports:
48 $ref: /schemas/graph.yaml#/properties/port
49 description: |
50 ASRC has seven input ports and six outpu
51 (Audio Client Interfaces) port nodes are
52 ASRC inputs (port 0 to 6) and outputs (p
53 connected to corresponding ports on AHUB
54 input (port 6) is for receiving ratio in
55
56 patternProperties:
57 '^port@[0-6]':
58 $ref: audio-graph-port.yaml#
59 unevaluatedProperties: false
60 description: ASRC ACIF input ports
61 '^port@[7-9]|1[1-2]':
62 $ref: audio-graph-port.yaml#
63 unevaluatedProperties: false
64 description: ASRC ACIF output ports
65
66 required:
67 - compatible
68 - reg
69
70 additionalProperties: false
71
72 examples:
73 - |
74
75 asrc@2910000 {
76 compatible = "nvidia,tegra186-asrc";
77 reg = <0x2910000 0x2000>;
78 sound-name-prefix = "ASRC1";
79 };
80
81 ...
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