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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/amlogic,gx-sound-card.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Amlogic GX sound card
maintainers:
- Jerome Brunet <jbrunet@baylibre.com>
allOf:
- $ref: sound-card-common.yaml#
properties:
compatible:
items:
- const: amlogic,gx-sound-card
audio-aux-devs:
$ref: /schemas/types.yaml#/definitions/phandle-array
description: list of auxiliary devices
audio-widgets:
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
minItems: 2
description: |-
A list off component DAPM widget. Each entry is a pair of strings,
the first being the widget type, the second being the widget name
patternProperties:
"^dai-link-[0-9]+$":
type: object
additionalProperties: false
description: |-
dai-link child nodes:
Container for dai-link level properties and the CODEC sub-nodes.
There should be at least one (and probably more) subnode of this type
properties:
dai-format:
$ref: /schemas/types.yaml#/definitions/string
enum: [ i2s, left-j, dsp_a ]
mclk-fs:
$ref: /schemas/types.yaml#/definitions/uint32
description: |-
Multiplication factor between the frame rate and master clock
rate
sound-dai:
maxItems: 1
description: phandle of the CPU DAI
patternProperties:
"^codec(-[0-9]+)?$":
type: object
additionalProperties: false
description: |-
Codecs:
dai-link representing backend links should have at least one subnode.
One subnode for each codec of the dai-link. dai-link representing
frontend links have no codec, therefore have no subnodes
properties:
sound-dai:
maxItems: 1
description: phandle of the codec DAI
required:
- sound-dai
required:
- sound-dai
required:
- model
- dai-link-0
unevaluatedProperties: false
examples:
- |
sound {
compatible = "amlogic,gx-sound-card";
model = "GXL-ACME-S905X-FOO";
audio-aux-devs = <&>;
audio-routing = "I2S ENCODER I2S IN", "I2S FIFO Playback";
dai-link-0 {
sound-dai = <&i2s_fifo>;
};
dai-link-1 {
sound-dai = <&i2s_encoder>;
dai-format = "i2s";
mclk-fs = <256>;
codec-0 {
sound-dai = <&codec0>;
};
codec-1 {
sound-dai = <&codec1>;
};
};
};
|
