1*4882a593SmuzhiyunQualcomm Audio Stream Manager (Q6ASM) binding 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunQ6ASM is one of the APR audio service on Q6DSP. 4*4882a593SmuzhiyunPlease refer to qcom,apr.txt for details of the common apr service bindings 5*4882a593Smuzhiyunused by the apr service device. 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun- but must contain the following property: 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun- compatible: 10*4882a593Smuzhiyun Usage: required 11*4882a593Smuzhiyun Value type: <stringlist> 12*4882a593Smuzhiyun Definition: must be "qcom,q6asm-v<MAJOR-NUMBER>.<MINOR-NUMBER>". 13*4882a593Smuzhiyun Or "qcom,q6asm" where the version number can be queried 14*4882a593Smuzhiyun from DSP. 15*4882a593Smuzhiyun example "qcom,q6asm-v2.0" 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun= ASM DAIs (Digial Audio Interface) 18*4882a593Smuzhiyun"dais" subnode of the ASM node represents dai specific configuration 19*4882a593Smuzhiyun 20*4882a593Smuzhiyun- compatible: 21*4882a593Smuzhiyun Usage: required 22*4882a593Smuzhiyun Value type: <stringlist> 23*4882a593Smuzhiyun Definition: must be "qcom,q6asm-dais". 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun- #sound-dai-cells 26*4882a593Smuzhiyun Usage: required 27*4882a593Smuzhiyun Value type: <u32> 28*4882a593Smuzhiyun Definition: Must be 1 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun== ASM DAI is subnode of "dais" and represent a dai, it includes board specific 31*4882a593Smuzhiyunconfiguration of each dai. Must contain the following properties. 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun- reg 34*4882a593Smuzhiyun Usage: required 35*4882a593Smuzhiyun Value type: <u32> 36*4882a593Smuzhiyun Definition: Must be dai id 37*4882a593Smuzhiyun 38*4882a593Smuzhiyun- direction: 39*4882a593Smuzhiyun Usage: Required for Compress offload dais 40*4882a593Smuzhiyun Value type: <u32> 41*4882a593Smuzhiyun Definition: Specifies the direction of the dai stream 42*4882a593Smuzhiyun Q6ASM_DAI_TX_RX (0) for both tx and rx 43*4882a593Smuzhiyun Q6ASM_DAI_TX (1) for only tx (Capture/Encode) 44*4882a593Smuzhiyun Q6ASM_DAI_RX (2) for only rx (Playback/Decode) 45*4882a593Smuzhiyun 46*4882a593Smuzhiyun- is-compress-dai: 47*4882a593Smuzhiyun Usage: Required for Compress offload dais 48*4882a593Smuzhiyun Value type: <boolean> 49*4882a593Smuzhiyun Definition: present for Compress offload dais 50*4882a593Smuzhiyun 51*4882a593Smuzhiyun 52*4882a593Smuzhiyun= EXAMPLE 53*4882a593Smuzhiyun#include <dt-bindings/sound/qcom,q6asm.h> 54*4882a593Smuzhiyun 55*4882a593Smuzhiyunapr-service@7 { 56*4882a593Smuzhiyun compatible = "qcom,q6asm"; 57*4882a593Smuzhiyun reg = <APR_SVC_ASM>; 58*4882a593Smuzhiyun q6asmdai: dais { 59*4882a593Smuzhiyun compatible = "qcom,q6asm-dais"; 60*4882a593Smuzhiyun #address-cells = <1>; 61*4882a593Smuzhiyun #size-cells = <0>; 62*4882a593Smuzhiyun #sound-dai-cells = <1>; 63*4882a593Smuzhiyun 64*4882a593Smuzhiyun dai@0 { 65*4882a593Smuzhiyun reg = <0>; 66*4882a593Smuzhiyun direction = <Q6ASM_DAI_RX>; 67*4882a593Smuzhiyun is-compress-dai; 68*4882a593Smuzhiyun }; 69*4882a593Smuzhiyun }; 70*4882a593Smuzhiyun}; 71