Documentation/devicetree/bindings/sound/nvidia,tegra210-sfc.yaml

   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-sfc.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Tegra210 SFC
   8
   9 description: |
  10   The Sampling Frequency Converter (SFC) converts the sampling frequency
  11   of the input signal from one frequency to another. It supports sampling
  12   frequency conversions of streams of up to two channels (stereo).
  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: name-prefix.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/ports
  44     properties:
  45       port@0:
  46         $ref: audio-graph-port.yaml#
  47         unevaluatedProperties: false
  48         description: |
  49           SFC ACIF (Audio Client Interface) input port. This is connected
  50           to corresponding ACIF output port on AHUB (Audio Hub).
  51
  52       port@1:
  53         $ref: audio-graph-port.yaml#
  54         unevaluatedProperties: false
  55         description: |
  56           SFC ACIF output port. This is connected to corresponding ACIF
  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 ...