Messages in this thread | | | Date | Tue, 24 Sep 2013 00:28:32 +0100 | From | Mark Brown <> | Subject | Re: [PATCH 2/5] mfd: arizona: Add device tree binding for max_channels_clocked |
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On Mon, Sep 23, 2013 at 03:38:10PM -0600, Stephen Warren wrote: > On 09/23/2013 12:30 PM, Charles Keepax wrote:
> > + - wlf,max-channels-clocked : The maximum number of channels to be clocked on > > + each AIF, useful for I2S systems with multiple data lines being mastered. > > + If specified three cells must supplied one for each AIF, specify zero for > > + AIFs that should be handled normally.
> What determines the value of this property? Is it really a definition of > HW, or some kind of run-time configuration/limit? What goes into each of > the 3 cells?
It's hardware, it's other devices wired in parallel on the bus that use the CODEC as a clock master. Personally I'd have this be set by the ASoC machine driver so it's invisible from a DT point of view, that's what it's really a property of. [unhandled content-type:application/pgp-signature] | |