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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/sound/qcom,sm8250.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Technologies Inc. SM8250 ASoC sound card driver
maintainers:
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
description:
This bindings describes SC8250 SoC based sound cards
which uses LPASS internal codec for audio.
properties:
compatible:
enum:
- qcom,sm8250-sndcard
- qcom,qrb5165-rb5-sndcard
audio-routing:
$ref: /schemas/types.yaml#/definitions/non-unique-string-array
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 power supplies,
MicBias of codec and the jacks on the board.
model:
$ref: /schemas/types.yaml#/definitions/string
description: User visible long sound card name
patternProperties:
".*-dai-link$":
description:
Each subnode represents a dai link. Subnodes of each dai links would be
cpu/codec dais.
type: object
properties:
link-name:
description: Indicates dai-link name and PCM stream name.
$ref: /schemas/types.yaml#/definitions/string
maxItems: 1
cpu:
description: Holds subnode which indicates cpu dai.
type: object
properties:
sound-dai: true
platform:
description: Holds subnode which indicates platform dai.
type: object
properties:
sound-dai: true
codec:
description: Holds subnode which indicates codec dai.
type: object
properties:
sound-dai: true
required:
- link-name
- cpu
additionalProperties: false
required:
- compatible
- model
additionalProperties: false
examples:
- |
#include <dt-bindings/sound/qcom,q6afe.h>
#include <dt-bindings/sound/qcom,q6asm.h>
sound {
compatible = "qcom,qrb5165-rb5-sndcard";
model = "Qualcomm-qrb5165-RB5-WSA8815-Speakers-DMIC0";
audio-routing = "SpkrLeft IN", "WSA_SPK1 OUT",
"SpkrRight IN", "WSA_SPK2 OUT",
"VA DMIC0", "vdd-micb",
"VA DMIC1", "vdd-micb",
"MM_DL1", "MultiMedia1 Playback",
"MM_DL2", "MultiMedia2 Playback",
"MultiMedia3 Capture", "MM_UL3";
mm1-dai-link {
link-name = "MultiMedia0";
cpu {
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
};
};
mm2-dai-link {
link-name = "MultiMedia2";
cpu {
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA2>;
};
};
mm3-dai-link {
link-name = "MultiMedia3";
cpu {
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA3>;
};
};
hdmi-dai-link {
link-name = "HDMI Playback";
cpu {
sound-dai = <&q6afedai TERTIARY_MI2S_RX>;
};
platform {
sound-dai = <&q6routing>;
};
codec {
sound-dai = <&lt9611_codec 0>;
};
};
wsa-dai-link {
link-name = "WSA Playback";
cpu {
sound-dai = <&q6afedai WSA_CODEC_DMA_RX_0>;
};
platform {
sound-dai = <&q6routing>;
};
codec {
sound-dai = <&left_spkr>, <&right_spkr>, <&swr0 0>, <&wsamacro>;
};
};
va-dai-link {
link-name = "VA Capture";
cpu {
sound-dai = <&q6afedai VA_CODEC_DMA_TX_0>;
};
platform {
sound-dai = <&q6routing>;
};
codec {
sound-dai = <&vamacro 0>;
};
};
};