1 # SPDX-License-Identifier: (GPL-2.0-only OR BS 1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2 2 %YAML 1.2
3 --- 3 ---
4 $id: http://devicetree.org/schemas/sound/nvidi 4 $id: http://devicetree.org/schemas/sound/nvidia,tegra210-sfc.yaml#
5 $schema: http://devicetree.org/meta-schemas/co 5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6 6
7 title: Tegra210 SFC !! 7 title: Tegra210 SFC Device Tree Bindings
8 8
9 description: | 9 description: |
10 The Sampling Frequency Converter (SFC) conve 10 The Sampling Frequency Converter (SFC) converts the sampling frequency
11 of the input signal from one frequency to an 11 of the input signal from one frequency to another. It supports sampling
12 frequency conversions of streams of up to tw 12 frequency conversions of streams of up to two channels (stereo).
13 13
14 maintainers: 14 maintainers:
15 - Jon Hunter <jonathanh@nvidia.com> 15 - Jon Hunter <jonathanh@nvidia.com>
16 - Mohan Kumar <mkumard@nvidia.com> 16 - Mohan Kumar <mkumard@nvidia.com>
17 - Sameer Pujar <spujar@nvidia.com> 17 - Sameer Pujar <spujar@nvidia.com>
18 18
19 allOf: 19 allOf:
20 - $ref: dai-common.yaml# !! 20 - $ref: name-prefix.yaml#
21 21
22 properties: 22 properties:
23 $nodename: 23 $nodename:
24 pattern: "^sfc@[0-9a-f]*$" 24 pattern: "^sfc@[0-9a-f]*$"
25 25
26 compatible: 26 compatible:
27 oneOf: 27 oneOf:
28 - const: nvidia,tegra210-sfc 28 - const: nvidia,tegra210-sfc
29 - items: 29 - items:
30 - enum: 30 - enum:
31 - nvidia,tegra234-sfc <<
32 - nvidia,tegra194-sfc 31 - nvidia,tegra194-sfc
33 - nvidia,tegra186-sfc 32 - nvidia,tegra186-sfc
34 - const: nvidia,tegra210-sfc 33 - const: nvidia,tegra210-sfc
35 34
36 reg: 35 reg:
37 maxItems: 1 36 maxItems: 1
38 37
39 sound-name-prefix: 38 sound-name-prefix:
40 pattern: "^SFC[1-9]$" 39 pattern: "^SFC[1-9]$"
41 40
42 ports: 41 ports:
43 $ref: /schemas/graph.yaml#/properties/port 42 $ref: /schemas/graph.yaml#/properties/ports
44 properties: 43 properties:
45 port@0: 44 port@0:
46 $ref: audio-graph-port.yaml# 45 $ref: audio-graph-port.yaml#
47 unevaluatedProperties: false 46 unevaluatedProperties: false
48 description: | 47 description: |
49 SFC ACIF (Audio Client Interface) in 48 SFC ACIF (Audio Client Interface) input port. This is connected
50 to corresponding ACIF output port on 49 to corresponding ACIF output port on AHUB (Audio Hub).
51 50
52 port@1: 51 port@1:
53 $ref: audio-graph-port.yaml# 52 $ref: audio-graph-port.yaml#
54 unevaluatedProperties: false 53 unevaluatedProperties: false
55 description: | 54 description: |
56 SFC ACIF output port. This is connec 55 SFC ACIF output port. This is connected to corresponding ACIF
57 input port on AHUB. 56 input port on AHUB.
58 57
59 required: 58 required:
60 - compatible 59 - compatible
61 - reg 60 - reg
62 61
63 additionalProperties: false 62 additionalProperties: false
64 63
65 examples: 64 examples:
66 - | 65 - |
67 66
68 sfc@702d2000 { 67 sfc@702d2000 {
69 compatible = "nvidia,tegra210-sfc"; 68 compatible = "nvidia,tegra210-sfc";
70 reg = <0x702d2000 0x200>; 69 reg = <0x702d2000 0x200>;
71 sound-name-prefix = "SFC1"; 70 sound-name-prefix = "SFC1";
72 }; 71 };
73 72
74 ... 73 ...
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