On Tue, Aug 05, 2014 at 03:32:05PM +0800, Nicolin Chen wrote: > From: Nicolin Chen <Guangyu.Chen@xxxxxxxxxxxxx> > > SAI supports these operation modes: > 1) asynchronous mode > Both Tx and Rx are set to be asynchronous. > 2) synchronous mode (Rx sync with Tx) > Tx is set to be asynchronous, Rx is set to be synchronous. > 3) synchronous mode (Tx sync with Rx) > Rx is set to be asynchronous, Tx is set to be synchronous. > 4) synchronous mode (Tx/Rx sync with another SAI's Tx) > 5) synchronous mode (Tx/Rx sync with another SAI's Rx) This seems to conflict with something else on my branch - not checked what. Can you take a look please? > +Note: > +- If both fsl,sai-asynchronous and fsl,sai-synchronous-rx are absent, the > + default synchronous mode (sync Rx with Tx) will be used, which means both > + transimitter and receiver will send and receive data by following clocks > + of transimitter. > +- fsl,sai-asynchronous will be ignored if fsl,sai-synchronous-rx property is > + already present. Might be worth printing an error here.
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