mirror of https://gitee.com/openkylin/linux.git
84 lines
1.9 KiB
Plaintext
84 lines
1.9 KiB
Plaintext
* Qualcomm Technologies Inc. SDM845 ASoC sound card driver
|
|
|
|
This binding describes the SDM845 sound card, which uses qdsp for audio.
|
|
|
|
- compatible:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: must be one of this
|
|
"qcom,sdm845-sndcard"
|
|
"qcom,db845c-sndcard"
|
|
"lenovo,yoga-c630-sndcard"
|
|
|
|
- audio-routing:
|
|
Usage: Optional
|
|
Value type: <stringlist>
|
|
Definition: 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:
|
|
Usage: required
|
|
Value type: <stringlist>
|
|
Definition: The user-visible name of this sound card.
|
|
|
|
= dailinks
|
|
Each subnode of sndcard represents either a dailink, and subnodes of each
|
|
dailinks would be cpu/codec/platform dais.
|
|
|
|
- link-name:
|
|
Usage: required
|
|
Value type: <string>
|
|
Definition: User friendly name for dai link
|
|
|
|
= CPU, PLATFORM, CODEC dais subnodes
|
|
- cpu:
|
|
Usage: required
|
|
Value type: <subnode>
|
|
Definition: cpu dai sub-node
|
|
|
|
- codec:
|
|
Usage: required
|
|
Value type: <subnode>
|
|
Definition: codec dai sub-node
|
|
|
|
- platform:
|
|
Usage: Optional
|
|
Value type: <subnode>
|
|
Definition: platform dai sub-node
|
|
|
|
- sound-dai:
|
|
Usage: required
|
|
Value type: <phandle>
|
|
Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
|
|
|
|
Example:
|
|
|
|
audio {
|
|
compatible = "qcom,sdm845-sndcard";
|
|
model = "sdm845-snd-card";
|
|
pinctrl-names = "default", "sleep";
|
|
pinctrl-0 = <&pri_mi2s_active &pri_mi2s_ws_active>;
|
|
pinctrl-1 = <&pri_mi2s_sleep &pri_mi2s_ws_sleep>;
|
|
|
|
mm1-dai-link {
|
|
link-name = "MultiMedia1";
|
|
cpu {
|
|
sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
|
|
};
|
|
};
|
|
|
|
pri-mi2s-dai-link {
|
|
link-name = "PRI MI2S Playback";
|
|
cpu {
|
|
sound-dai = <&q6afedai PRIMARY_MI2S_RX>;
|
|
};
|
|
|
|
platform {
|
|
sound-dai = <&q6routing>;
|
|
};
|
|
};
|
|
};
|