On Mon, 15 Apr 2019 at 10:09, Clément Péron <peron.clem@xxxxxxxxx> wrote: > > Hi, > > On Mon, 15 Apr 2019 at 10:04, Maxime Ripard <maxime.ripard@xxxxxxxxxxx> 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 And also only SPDIF Tx has been tested. > > Clement > > > > So it doesn't really look compatible to me > > > > Maxime > > > > -- > > Maxime Ripard, Bootlin > > Embedded Linux and Kernel engineering > > https://bootlin.com
