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