RE: [PATCH v2 1/5] ASoC: dt-bindings: Add FSD I2S controller bindings

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> -----Original Message-----
> From: Mark Brown [mailto:broonie@xxxxxxxxxx]
> Sent: 03 January 2023 11:35 PM
> To: Padmanabhan Rajanbabu <p.rajanbabu@xxxxxxxxxxx>
> Cc: lgirdwood@xxxxxxxxx; robh+dt@xxxxxxxxxx;
> krzysztof.kozlowski+dt@xxxxxxxxxx; s.nawrocki@xxxxxxxxxxx;
> perex@xxxxxxxx; tiwai@xxxxxxxx; pankaj.dubey@xxxxxxxxxxx;
> alim.akhtar@xxxxxxxxxxx; rcsekar@xxxxxxxxxxx;
> aswani.reddy@xxxxxxxxxxx; alsa-devel@xxxxxxxxxxxxxxxx;
> devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-samsung-
> soc@xxxxxxxxxxxxxxx
> Subject: Re: [PATCH v2 1/5] ASoC: dt-bindings: Add FSD I2S controller
> bindings
> 
> On Tue, Jan 03, 2023 at 10:26:09AM +0530, Padmanabhan Rajanbabu wrote:
> 
> > +
> > +      tesla,fsd-i2s: with all the available features of Exynos7 I2S,
> > +      supporting only stereo channel playback and capture.
> 
> The driver claims that 7.1 is also supported.

For I2S mode, data lines for channel 3 to 6 are not routed out of the SoC.
i.e FSD SoC has only SDO0 line routed out. SDO1 and 2 are floating pins. 

So Exynos7-I2S in FSD SoC supports only stereo playback and capture in
I2S mode. I'll reword the description in the next patch set to reflect the
above information.

Thanks,
Padmanabhan R.




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