129 lines
2.6 KiB
Plaintext
129 lines
2.6 KiB
Plaintext
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* Qualcomm Technologies APQ8096 ASoC sound card driver
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This binding describes the APQ8096 sound card, which uses qdsp for audio.
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- compatible:
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Usage: required
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Value type: <stringlist>
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Definition: must be "qcom,apq8096-sndcard"
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- audio-routing:
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Usage: Optional
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Value type: <stringlist>
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Definition: A list of the connections between audio components.
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Each entry is a pair of strings, the first being the
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connection's sink, the second being the connection's
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source. Valid names could be power supplies, MicBias
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of codec and the jacks on the board:
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Valid names include:
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Board Connectors:
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"Headphone Left"
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"Headphone Right"
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"Earphone"
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"Line Out1"
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"Line Out2"
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"Line Out3"
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"Line Out4"
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"Analog Mic1"
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"Analog Mic2"
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"Analog Mic3"
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"Analog Mic4"
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"Analog Mic5"
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"Analog Mic6"
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"Digital Mic2"
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"Digital Mic3"
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Audio pins and MicBias on WCD9335 Codec:
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"MIC_BIAS1"
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"MIC_BIAS2"
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"MIC_BIAS3"
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"MIC_BIAS4"
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"AMIC1"
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"AMIC2"
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"AMIC3"
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"AMIC4"
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"AMIC5"
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"AMIC6"
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"AMIC6"
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"DMIC1"
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"DMIC2"
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"DMIC3"
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- model:
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Usage: required
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Value type: <stringlist>
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Definition: The user-visible name of this sound card.
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- aux-devs
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Usage: optional
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Value type: <array of phandles>
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Definition: A list of phandles for auxiliary devices (e.g. analog
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amplifiers) that do not appear directly within the DAI
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links. Should be connected to another audio component
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using "audio-routing".
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= dailinks
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Each subnode of sndcard represents either a dailink, and subnodes of each
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dailinks would be cpu/codec/platform dais.
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- link-name:
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Usage: required
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Value type: <string>
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Definition: User friendly name for dai link
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= CPU, PLATFORM, CODEC dais subnodes
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- cpu:
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Usage: required
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Value type: <subnode>
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Definition: cpu dai sub-node
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- codec:
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Usage: Optional
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Value type: <subnode>
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Definition: codec dai sub-node
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- platform:
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Usage: Optional
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Value type: <subnode>
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Definition: platform dai sub-node
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- sound-dai:
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Usage: required
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Value type: <phandle with arguments>
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Definition: dai phandle/s and port of CPU/CODEC/PLATFORM node.
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Obsolete:
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qcom,model: String for soundcard name (Use model instead)
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qcom,audio-routing: A list of the connections between audio components.
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(Use audio-routing instead)
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Example:
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audio {
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compatible = "qcom,apq8096-sndcard";
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model = "DB820c";
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mm1-dai-link {
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link-name = "MultiMedia1";
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cpu {
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sound-dai = <&q6asmdai MSM_FRONTEND_DAI_MULTIMEDIA1>;
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};
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};
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hdmi-dai-link {
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link-name = "HDMI Playback";
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cpu {
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sound-dai = <&q6afe HDMI_RX>;
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};
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platform {
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sound-dai = <&q6adm>;
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};
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codec {
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sound-dai = <&hdmi 0>;
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};
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};
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};
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