On Wed, Jul 3, 2019 at 4:01 PM Angus Ainslie <angus@xxxxxxxx> wrote: > > Hi Andra, > > I tried this out on linux-next and I'm not able to record or play sound. > > I also added the sai2 entry to test out our devkit and get a PCM timeout > with that. Hi Angus, There are still lots of SAI patches that need to be upstream. Me and Andra will be working on that over this summer. > > On 2019-07-02 07:23, Andra Danciu wrote: > > SAI3 and SAI6 nodes are used to connect to an external codec. > > They have 1 Tx and 1 Rx dataline. > > > > Cc: Daniel Baluta <daniel.baluta@xxxxxxx> > > Signed-off-by: Andra Danciu <andradanciu1997@xxxxxxxxx> > > --- > > Changes since v2: > > - removed multiple new lines > > > > Changes since v1: > > - Added sai3 node because we need it to enable audio on pico-pi-8m > > - Added commit description > > > > arch/arm64/boot/dts/freescale/imx8mq.dtsi | 29 > > +++++++++++++++++++++++++++++ > > 1 file changed, 29 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/freescale/imx8mq.dtsi > > b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > > index d09b808eff87..736cf81b695e 100644 > > --- a/arch/arm64/boot/dts/freescale/imx8mq.dtsi > > +++ b/arch/arm64/boot/dts/freescale/imx8mq.dtsi > > @@ -278,6 +278,20 @@ > > #size-cells = <1>; > > ranges = <0x30000000 0x30000000 0x400000>; > > > > + sai6: sai@30030000 { > > + compatible = "fsl,imx8mq-sai", > > I don't find this compatible string in sound/soc/fsl/fsl_sai.c. Aren't > the registers at a different offset from "fsl,imx6sx-sai". Yes, you are right on this. We are trying to slowly push all our internal-tree patches to mainline. Obviously, with started with low hanging fruits, DTS nodes and small SAI fixes. Soon, we will start to send patches for SAI IP ipgrade for imx8. > > How is this supposed to work ? > For the moment it won't work unless we will upstream all our SAI internal patches. But we will get there hopefully this summer. Thanks, Daniel.