Hello,

I am trying to use a NEO3 with a Soekris Dam1121. This dac have i2s input (no need of masterclock as it reclock all input). I also need a proper serial connection. The doc is not very friendly with this, so here is how i connect it, without success :

DAM Bit Clock => Pin 15 GPIO2_C2/I2S1_SCLK
DAM LRCLK => Pin 13 GPIO2_C1/I2S1_LRCK_TX
DAM DATA => Pin 22 GPIO2_C7/I2S1_SDO
DAM GRD => Pin 20 GND

Not sure about the data part, D0 seems to indicate DATA, there is also another gpio (Pin 12 GPIO2_C3/I2S1_SDI), but it's not uncommon to have two data line 0 and 1.

I suppose that if i need to connect a serial connection, i need to connect this :

DAM RXD => Pin 8 GPIO3_A4/UART1_TX
DAM TXD => Pin 10 GPIO3_A6/UART1_RX

I try to boot ubuntu (friendlycore), i update the system, install a few package (minicom, mpd, all alsa related). But i didn't get anything when i make a "aplay -l", dac is not recognize. Is there something i need to do with friendlycore to activate the i2s driver ?

Thank you