Hi,

On Mon, 15 Apr 2019 at 10:04, Maxime Ripard <[email protected]> wrote:
>
> Hi,
>
> On Thu, Apr 11, 2019 at 11:44:19PM +0200, Clément Péron wrote:
> > Allwinner H6 has a SPDIF controller with an increase of the fifo
> > size and the possibility to output the master clock.
> > However it's still compatible with the already existing driver for
> > Allwiner H3.
> >
> > Add this compatible in the device-tree bindings documentation.
>
> How was this tested?

Using Alsa utils on a Beelink GS1 and I check correct output sound on
my home cinema.
>
> After looking at the datasheet, it looks like it's still significantly
> different. In particular:
>
>   - The MCLK divider isn't at the same offset
We don't use the MCLK
>   - The bits to flush the FIFO aren't at the same offset
>   - The FIFO trigger levels aren't at the same offset
>   - The FIFO status register layout is almost entirely different
We use DMA not FIFO

Clement
>
> So it doesn't really look compatible to me
>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com

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