blob: 41ad65173548515ad7f7e2bbacd244831e8d58e7 [file] [log] [blame]
# 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 Device Tree Bindings
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: name-prefix.yaml#
properties:
$nodename:
pattern: "^sfc@[0-9a-f]*$"
compatible:
oneOf:
- const: nvidia,tegra210-sfc
- items:
- enum:
- 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";
};
...