[alsa-devel] ASoC MPC5xxx PSC AC97 audio driver

[jonsmirl at gmail.com]

On Thu, Sep 8, 2011 at 6:45 AM, David Jander <david.jander at protonic.nl> wrote:
>
> Dear Jon,
>
> Thanks for replying so quickly.
>
> On Thu, 8 Sep 2011 06:28:02 -0400
> "jonsmirl at gmail.com" <jonsmirl at gmail.com> wrote:
>> On Thu, Sep 8, 2011 at 6:16 AM, David Jander <david.jander at protonic.nl>
>> wrote:
>> >
>> > Dear Jon,
>>
>> Here's the device tree...
>> http://git.digispeaker.com/?p=digispeaker-kernel.git;a=blob;f=arch/powerpc/boot/dts/dspeak01.dts;h=50cc247b4da0eb2bc4deb315b1b5348af87e5979;hb=9166a4a4141ab7c8d7a7b97fa5b726e11a8d0ca4
>
> Thanks... but it uses I2S, not AC97 :-(
> It doesn't have a "fsl,mpc5200-pcm" node either, btw.
> In the case of I2C, this makes some sense, since the Codec is usually
> connected to two different interfaces at the same time (I2S and I2C for
> control), so you have 2 device nodes. AC97 OTOH has just one interface. It is
> connected to a AC97 bus (a PSC in this case). AFAICS there are no OF bindings
> yet for an AC97 bus, so the actual codec doesn't figure and thus still needs
> this ugly fabric driver thing.

Try the pcm030 device tree...

http://git.digispeaker.com/?p=digispeaker-kernel.git;a=blob;f=arch/powerpc/boot/dts/pcm030.dts;h=30bfdc04c6dfacd88a9c6e325e873d75a633bdf5;hb=HEAD

I think it is checked into the kernel.


>
>> Grant can comment on the current bindings.
>
> Ok.
>
> Best regards,
>
> --
> David Jander
> Protonic Holland.
>



-- 
Jon Smirl
jonsmirl at gmail.com