xref: /linux/Documentation/devicetree/bindings/sound/nvidia,tegra210-sfc.yaml (revision 7ae9fb1b7ecbb5d85d07857943f677fd1a559b18)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/nvidia,tegra210-sfc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Tegra210 SFC

description: |
  The Sampling Frequency Converter (SFC) converts the sampling frequency
  of the input signal from one frequency to another. It supports sampling
  frequency conversions of streams of up to two channels (stereo).

maintainers:
  - Jon Hunter <jonathanh@nvidia.com>
  - Mohan Kumar <mkumard@nvidia.com>
  - Sameer Pujar <spujar@nvidia.com>

allOf:
  - $ref: dai-common.yaml#

properties:
  $nodename:
    pattern: "^sfc@[0-9a-f]*$"

  compatible:
    oneOf:
      - const: nvidia,tegra210-sfc
      - items:
          - enum:
              - nvidia,tegra234-sfc
              - nvidia,tegra194-sfc
              - nvidia,tegra186-sfc
          - const: nvidia,tegra210-sfc

  reg:
    maxItems: 1

  sound-name-prefix:
    pattern: "^SFC[1-9]$"

  ports:
    $ref: /schemas/graph.yaml#/properties/ports
    properties:
      port@0:
        $ref: audio-graph-port.yaml#
        unevaluatedProperties: false
        description: |
          SFC ACIF (Audio Client Interface) input port. This is connected
          to corresponding ACIF output port on AHUB (Audio Hub).

      port@1:
        $ref: audio-graph-port.yaml#
        unevaluatedProperties: false
        description: |
          SFC ACIF output port. This is connected to corresponding ACIF
          input port on AHUB.

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |

    sfc@702d2000 {
        compatible = "nvidia,tegra210-sfc";
        reg = <0x702d2000 0x200>;
        sound-name-prefix = "SFC1";
    };

...