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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/mt8195-mt6359.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MediaTek MT8195 ASoC sound card driver
maintainers:
- Trevor Wu <trevor.wu@mediatek.com>
description:
This binding describes the MT8195 sound card.
allOf:
- $ref: sound-card-common.yaml#
properties:
compatible:
enum:
- mediatek,mt8195_mt6359_rt1019_rt5682
- mediatek,mt8195_mt6359_rt1011_rt5682
- mediatek,mt8195_mt6359_max98390_rt5682
model:
$ref: /schemas/types.yaml#/definitions/string
description: User specified audio sound card name
audio-routing:
description:
A list of the connections between audio components. Each entry is a
pair of strings, the first being the connection's sink, the second
being the connection's source.
Valid names could be the input or output widgets of audio components,
power supplies, MicBias of codec and the software switch.
minItems: 2
items:
enum:
# Sinks
- Ext Spk
- Headphone
- IN1P
- Left Spk
- Right Spk
# Sources
- Headset Mic
- HPOL
- HPOR
- Left BE_OUT
- Left SPO
- Right BE_OUT
- Right SPO
- Speaker
mediatek,platform:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 ASoC platform.
mediatek,dptx-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 Display Port Tx codec node.
deprecated: true
mediatek,hdmi-codec:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 HDMI codec node.
deprecated: true
mediatek,adsp:
$ref: /schemas/types.yaml#/definitions/phandle
description: The phandle of MT8195 ADSP platform.
mediatek,dai-link:
$ref: /schemas/types.yaml#/definitions/string-array
description:
A list of the desired dai-links in the sound card. Each entry is a
name defined in the machine driver.
patternProperties:
".*-dai-link$":
type: object
additionalProperties: false
description:
Container for dai-link level properties and CODEC sub-nodes.
properties:
link-name:
description: Indicates dai-link name and PCM stream name
enum:
- DPTX_BE
- ETDM1_IN_BE
- ETDM2_IN_BE
- ETDM1_OUT_BE
- ETDM2_OUT_BE
- ETDM3_OUT_BE
- PCM1_BE
codec:
description: Holds subnode which indicates codec dai.
type: object
additionalProperties: false
properties:
sound-dai:
minItems: 1
maxItems: 2
required:
- sound-dai
dai-format:
description: audio format
enum: [ i2s, right_j, left_j, dsp_a, dsp_b ]
mediatek,clk-provider:
$ref: /schemas/types.yaml#/definitions/string
description: Indicates dai-link clock master.
enum: [ cpu, codec ]
required:
- link-name
additionalProperties: false
required:
- compatible
- mediatek,platform
# Disallow legacy properties if xxx-dai-link nodes are specified
if:
not:
patternProperties:
".*-dai-link$": false
then:
properties:
mediatek,dptx-codec: false
mediatek,hdmi-codec: false
examples:
- |
sound: mt8195-sound {
compatible = "mediatek,mt8195_mt6359_rt1019_rt5682";
model = "mt8195_r1019_5682";
mediatek,platform = <&afe>;
pinctrl-names = "default";
pinctrl-0 = <&aud_pins_default>;
audio-routing =
"Headphone", "HPOL",
"Headphone", "HPOR",
"IN1P", "Headset Mic",
"Ext Spk", "Speaker";
mm-dai-link {
link-name = "ETDM1_IN_BE";
mediatek,clk-provider = "cpu";
};
hs-playback-dai-link {
link-name = "ETDM1_OUT_BE";
mediatek,clk-provider = "cpu";
codec {
sound-dai = <&headset_codec>;
};
};
hs-capture-dai-link {
link-name = "ETDM2_IN_BE";
mediatek,clk-provider = "cpu";
codec {
sound-dai = <&headset_codec>;
};
};
spk-playback-dai-link {
link-name = "ETDM2_OUT_BE";
mediatek,clk-provider = "cpu";
codec {
sound-dai = <&spk_amplifier>;
};
};
hdmi-dai-link {
link-name = "ETDM3_OUT_BE";
codec {
sound-dai = <&hdmi_tx>;
};
};
displayport-dai-link {
link-name = "DPTX_BE";
codec {
sound-dai = <&dp_tx>;
};
};
};
...
|
