On 11/04/2022 10:15, Luca Weiss wrote: (...) >>> + awinic,f0-detection-play-time: >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: Drive waveform play times in the first period in the f0 detection >> >> Use standard unit suffixes for known units (e.g. time). > > While the datasheet doesn't mention any time unit, the value is used to > calculate the f0_trace_ms variable (which is milliseconds) but the > result also depends on the awinic,f0-preset value, so it's not a raw > time value. I see, ok. > >> >>> + >>> + awinic,f0-detection-wait-time: >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: Waveform wait times in the f0 detection >> >> Ditto. >> >>> + >>> + awinic,f0-detection-repeat: >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: Repeat times in the f0 detection >>> + >>> + awinic,f0-detection-trace: >>> + $ref: /schemas/types.yaml#/definitions/uint32 >>> + description: Drive waveform play times in the second period and later in the f0 detection >>> + >>> + awinic,boost-debug: >>> + $ref: /schemas/types.yaml#/definitions/uint8-array >>> + minItems: 3 >>> + maxItems: 3 >>> + description: Values for BSTDBG1-3 registers >> >> Do not encode device programming model (registers) into the binding. You >> need to define it as a property related to hardware itself, not its >> registers (e.g. boost value in mV). > > Unfortunately I couldn't figure the meaning for this and the two values > below. > > The datasheet doesn't mention these registers at all and the downstream > driver doesn't do anything meaningful with them (other than setting them) > nor has any comment to indicate what they do. > In the datasheet there's only BSTDBG4 mentioned where bits [5:1] mean > PVDD output voltage setting so for these registers it could really be > anthing :( > > Maybe someone with more knowledge about LRAs might be able to decipher > what tset and r_spare is at least? I unfortunately didn't manage. Do you have to define them in such case in DT? Maybe it should be part of driver? Best regards, Krzysztof