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: Tegra210 SFC
8
9 description: |
10 The Sampling Frequency Converter (SFC) conve
11 of the input signal from one frequency to an
12 frequency conversions of streams of up to tw
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 $nodename:
24 pattern: "^sfc@[0-9a-f]*$"
25
26 compatible:
27 oneOf:
28 - const: nvidia,tegra210-sfc
29 - items:
30 - enum:
31 - nvidia,tegra234-sfc
32 - nvidia,tegra194-sfc
33 - nvidia,tegra186-sfc
34 - const: nvidia,tegra210-sfc
35
36 reg:
37 maxItems: 1
38
39 sound-name-prefix:
40 pattern: "^SFC[1-9]$"
41
42 ports:
43 $ref: /schemas/graph.yaml#/properties/port
44 properties:
45 port@0:
46 $ref: audio-graph-port.yaml#
47 unevaluatedProperties: false
48 description: |
49 SFC ACIF (Audio Client Interface) in
50 to corresponding ACIF output port on
51
52 port@1:
53 $ref: audio-graph-port.yaml#
54 unevaluatedProperties: false
55 description: |
56 SFC ACIF output port. This is connec
57 input port on AHUB.
58
59 required:
60 - compatible
61 - reg
62
63 additionalProperties: false
64
65 examples:
66 - |
67
68 sfc@702d2000 {
69 compatible = "nvidia,tegra210-sfc";
70 reg = <0x702d2000 0x200>;
71 sound-name-prefix = "SFC1";
72 };
73
74 ...
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