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iMX6 DMA, SSI in  TDM mode

Question asked by Roberto Fichera on Oct 4, 2015
Latest reply on Dec 16, 2016 by marco rosciio

Hi All,


I'm writing a TDM driver for linux to connect a SLIC having FXS/FXO port via SSI configured in TDM mode.

The logic working with interrupt triggering RX/TX data available works fine but I would perform all the TDM trasfers from both TX/RX SSI FIFO via SDMA channel.

Is there an example how to do it considering that SSI can trigger SDMA transfers automatically?


Thanks in advance,

Roberto Fichera.