Re: [PATCH 1/2] arm64: dts: imx8mm: Add SAI nodes

[Daniel Baluta]

On Mon, Apr 22, 2019 at 9:51 AM Daniel Baluta <daniel.baluta@xxxxxxxxx> wrote:
>
> On Mon, Apr 22, 2019 at 5:45 AM Shawn Guo <shawnguo@xxxxxxxxxx> wrote:
> >
> > On Fri, Apr 19, 2019 at 08:20:39PM +0000, Daniel Baluta wrote:
> > > i.MX8MM has 5 SAI instances with the following base
> > > addresses according to RM.
> > >
> > > SAI1 base address: 3001_0000h
> > > SAI2 base address: 3002_0000h
> > > SAI3 base address: 3003_0000h
> > > SAI5 base address: 3005_0000h
> > > SAI6 base address: 3006_0000h
> > >
> > > Signed-off-by: Bai Ping <ping.bai@xxxxxxx>
> > > Signed-off-by: Daniel Baluta <daniel.baluta@xxxxxxx>
> > > ---
> > >  arch/arm64/boot/dts/freescale/imx8mm.dtsi | 68 +++++++++++++++++++++++
> > >  1 file changed, 68 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > > index de3498c2dd44..e9a0b2b6063a 100644
> > > --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > > @@ -171,6 +171,74 @@
> > >                       #size-cells = <1>;
> > >                       ranges;
> > >
> > > +                     sai1: sai@30010000 {
> > > +                             compatible = "fsl,imx8mq-sai",
> >
> > Should be "fsl,imx8mm-sai"?
>
> SAI IP on imx8mm is identical with the one on imx8mq. There is no need
> to differentiate with a compatible string.

On a second thought sai on i.MX8M is not compatible with SAI on i.MX6.
So, the correct
compatbile should be:

     compatible = "fsl,imx8mm-sai", "fsl,imx8mq-sai";

Will fix this in v2.