Hey Fabio,


On Wed, Oct 27, 2021 at 10:33 AM Fabio Estevam <festevam@gmail.com> wrote:

> On Wed, Oct 27, 2021 at 9:45 AM Brian Hutchinson <b.hutchman@gmail.com>
> wrote:
>
> > I hoped folks would know what I was talking about without getting too
> far into the weeds.  But I guess I need to explain more.
> >
> > The older 5.4 kernels (and even 4 series kernels) had a imx8mm-evk.dts
> sai section that looked like this:
> >
> > &sai1 {
> >        pinctrl-names = "default";
> >        pinctrl-0 = <&pinctrl_sai1>;
> >        assigned-clocks = <&clk IMX8MM_CLK_SAI1>;
> >        assigned-clock-parents = <&clk IMX8MM_AUDIO_PLL1_OUT>;
> >        assigned-clock-rates = <24576000>;
> >        clocks = <&clk IMX8MM_CLK_SAI1_IPG>, <&clk IMX8MM_CLK_DUMMY>,
> >                <&clk IMX8MM_CLK_SAI1_ROOT>, <&clk IMX8MM_CLK_DUMMY>,
> >                <&clk IMX8MM_CLK_DUMMY>, <&clk IMX8MM_AUDIO_PLL1_OUT>,
> >                <&clk IMX8MM_AUDIO_PLL2_OUT>;
> >        clock-names = "bus", "mclk0", "mclk1", "mclk2", "mclk3", "pll8k",
> "pll11k";
> >        fsl,sai-multi-lane;
>
> This property is only found on the NXP vendor kernel, not in the
> mainline kernel.
>
> If your kernel has such property, then you are using an NXP-based kernel.
>
> In this case, you could probably use Andrey's suggestion and switch to
> the NXP 5.10 kernel.
>

I went back and looked at my 5.4 kernel that has the multi-lane support.

My local.conf has REFERRED_PROVIDER_virtual/kernel = "linux-fslc-imx"

Regards,

Brian