* 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: Definition: must be one of this "qcom,sdm845-sndcard" "qcom,db845c-sndcard" "lenovo,yoga-c630-sndcard" - audio-routing: Usage: Optional Value type: 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: Definition: The user-visible name of this sound card. - aux-devs Usage: optional Value type: Definition: A list of phandles for auxiliary devices (e.g. analog amplifiers) that do not appear directly within the DAI links. Should be connected to another audio component using "audio-routing". = 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: Definition: User friendly name for dai link = CPU, PLATFORM, CODEC dais subnodes - cpu: Usage: required Value type: Definition: cpu dai sub-node - codec: Usage: required Value type: Definition: codec dai sub-node - platform: Usage: Optional Value type: Definition: platform dai sub-node - sound-dai: Usage: required Value type: 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>; }; }; };