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|
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/nvidia,tegra210-mvc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Tegra210 MVC Device Tree Bindings
description: |
The Master Volume Control (MVC) provides gain or attenuation to a digital
signal path. It can be used in input or output signal path for per-stream
volume control or it can be used as master volume control. The MVC block
has one input and one output. The input digital stream can be mono or
multi-channel (up to 7.1 channels) stream. An independent mute control is
also included in the MVC block.
maintainers:
- Jon Hunter <jonathanh@nvidia.com>
- Mohan Kumar <mkumard@nvidia.com>
- Sameer Pujar <spujar@nvidia.com>
allOf:
- $ref: name-prefix.yaml#
properties:
$nodename:
pattern: "^mvc@[0-9a-f]*$"
compatible:
oneOf:
- const: nvidia,tegra210-mvc
- items:
- enum:
- nvidia,tegra194-mvc
- nvidia,tegra186-mvc
- const: nvidia,tegra210-mvc
reg:
maxItems: 1
sound-name-prefix:
pattern: "^MVC[1-9]$"
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: audio-graph-port.yaml#
unevaluatedProperties: false
description: |
MVC 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: |
MVC ACIF output port. This is connected to corresponding ACIF
input port on AHUB.
required:
- compatible
- reg
additionalProperties: false
examples:
- |
mvc@702da000 {
compatible = "nvidia,tegra210-mvc";
reg = <0x702da000 0x200>;
sound-name-prefix = "MVC1";
};
...
|
