From: Lars-Peter Clausen <lars@metafoo.de>
To: Mark Brown <broonie@kernel.org>
Cc: alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>
Subject: Re: [PATCH 2/4] ASoC: Add support for the Analog Devices AXI-I2S core
Date: Fri, 29 Nov 2013 15:34:13 +0100 [thread overview]
Message-ID: <5298A5E5.4090704@metafoo.de> (raw)
In-Reply-To: <20131129142750.GB27568@sirena.org.uk>
On 11/29/2013 03:27 PM, Mark Brown wrote:
> On Fri, Nov 29, 2013 at 02:04:48PM +0100, Lars-Peter Clausen wrote:
>
>> We only use it on ZYNQ and Microblaze though. And people have complained in
>> the past about symbols that are viable on their platform, but are not
>> relevant for their platform. And to use the core on a different FPGA
>> platform will most likely require changes to the core, unless the other FPGA
>> also has a PL330 DMA interface. So I'd prefer to only make it avaiable on
>> ZYNQ and Microblaze right now.
>
> Is it really restricted to PL330 at the hardware level? I don't recall
> anything too fancy in the datasheet there.
Yes, it is using the PL330 peripheral request interface. See
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.ddi0424a/index.html
and
https://github.com/analogdevicesinc/fpgahdl_xilinx/blob/master/cf_lib/edk/pcores/adi_common_v1_00_a/hdl/vhdl/pl330_dma_fifo.vhd
- Lars
next prev parent reply other threads:[~2013-11-29 15:16 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-28 19:02 [PATCH 1/4] dt: Add bindings documentation for the ADI AXI-I2S controller Lars-Peter Clausen
2013-11-28 19:02 ` [PATCH 2/4] ASoC: Add support for the Analog Devices AXI-I2S core Lars-Peter Clausen
2013-11-29 11:58 ` Mark Brown
2013-11-29 13:04 ` Lars-Peter Clausen
2013-11-29 14:27 ` Mark Brown
2013-11-29 14:34 ` Lars-Peter Clausen [this message]
[not found] ` <1385665372-29477-1-git-send-email-lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>
2013-11-28 19:02 ` [PATCH 3/4] dt: Add bindings documentation for the ADI AXI-SPDIF audio controller Lars-Peter Clausen
2013-11-28 19:02 ` [PATCH 4/4] ASoC: Add support for the Analog Devices AXI-SPDIF driver Lars-Peter Clausen
2013-11-29 12:06 ` Mark Brown
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