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78 lines
2.0 KiB
YAML
78 lines
2.0 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/sound/nvidia,tegra210-adx.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Tegra210 ADX Device Tree Bindings
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description: |
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The Audio Demultiplexer (ADX) block takes an input stream with up to
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16 channels and demultiplexes it into four output streams of up to 16
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channels each. A byte RAM helps to form output frames by any combination
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of bytes from the input frame. Its design is identical to that of byte
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RAM in the AMX except that the data flow direction is reversed.
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maintainers:
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- Jon Hunter <jonathanh@nvidia.com>
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- Mohan Kumar <mkumard@nvidia.com>
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- Sameer Pujar <spujar@nvidia.com>
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allOf:
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- $ref: name-prefix.yaml#
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properties:
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$nodename:
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pattern: "^adx@[0-9a-f]*$"
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compatible:
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oneOf:
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- const: nvidia,tegra210-adx
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- items:
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- enum:
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- nvidia,tegra234-adx
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- nvidia,tegra194-adx
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- nvidia,tegra186-adx
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- const: nvidia,tegra210-adx
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reg:
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maxItems: 1
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sound-name-prefix:
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pattern: "^ADX[1-9]$"
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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description: |
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ADX has one input and four outputs. Accordingly ACIF (Audio Client
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Interface) port nodes are defined to represent ADX input (port 0)
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and outputs (ports 1 to 4). These are connected to corresponding
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ports on AHUB (Audio Hub).
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properties:
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port@0:
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$ref: audio-graph-port.yaml#
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unevaluatedProperties: false
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description: ADX ACIF input port
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patternProperties:
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'^port@[1-4]':
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$ref: audio-graph-port.yaml#
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unevaluatedProperties: false
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description: ADX ACIF output ports
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required:
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- compatible
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- reg
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additionalProperties: false
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examples:
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- |
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adx@702d3800 {
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compatible = "nvidia,tegra210-adx";
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reg = <0x702d3800 0x100>;
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sound-name-prefix = "ADX1";
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};
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...
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