Messages in this thread | ![/](/images/icornerl.gif) | | Date | Tue, 23 Jul 2013 14:29:48 +0100 | From | Mark Brown <> | Subject | Re: [PATCH] ARM: kirkwood: extend the kirkwood pcm/dma driver for DT usage |
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On Tue, Jul 23, 2013 at 02:23:14PM +0100, Russell King - ARM Linux wrote: > On Tue, Jul 23, 2013 at 01:57:56PM +0100, Mark Brown wrote:
> > This device has no registers or other hardware - this looks like a stub > > device which shouldn't be visible in DT but should instead be created by > > the I2S driver - look at how most of the other DT platforms using > > dmaengine work.
> There is no separate DMA engine on this platform. dmaengine is totally > irrelevant to this hardware.
The pattern for instantiating a DMA controller that's integrated into the DAI is the same as that where the DMA controller is a shared IP accessed via dmaengine so it's still useful to look at these platforms to see how to do the instnatiation. [unhandled content-type:application/pgp-signature] | ![\](/images/icornerr.gif) |