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TLV320AIC3106: AM437x + audio

Part Number: TLV320AIC3106
Other Parts Discussed in Thread: TLV320AIC3204, TLV320AIC3254

Hi TI, 

I am making a design with a MPU AM437x and  I need an audio input and output. 

I wil like to use the TLV320AIC3106IRGZR, I did read the relative documentation but I have these questions yet: 

1-) Is the TLV320AIC3106 RZR full duplex? Is possible to use the audio input and audio output simultaneously at same time? 

2-) Are there any difference (advantage or disadvantage) between to choice the interface I2C or SPI?

3-) Are there any linux driver for the TLV320AIC3106IRGZR?

4-) Can you please suggest me a alternative   audio chip?

Thank you very much. Best regards.