Re: [RFC PATCH 7/9] arm64: dts: imx8mm: Add eLCDIF node support

[Jagan Teki <jagan@amarulasolutions.com>]

On Tue, Jun 22, 2021 at 8:39 AM Adam Ford <aford173@gmail.com> wrote:
>
> On Mon, Jun 21, 2021 at 2:25 AM Jagan Teki <jagan@amarulasolutions.com> wrote:
> >
> > Add eLCDIF controller node for i.MX8MM.
> >
> > Cc: Rob Herring <robh+dt@kernel.org>
> > Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> > ---
> >  arch/arm64/boot/dts/freescale/imx8mm.dtsi | 19 +++++++++++++++++++
> >  1 file changed, 19 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/freescale/imx8mm.dtsi b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > index fe5485ee9419..5f68182ed3a6 100644
> > --- a/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > +++ b/arch/arm64/boot/dts/freescale/imx8mm.dtsi
> > @@ -1030,6 +1030,25 @@ aips4: bus@32c00000 {
> >                         #size-cells = <1>;
> >                         ranges = <0x32c00000 0x32c00000 0x400000>;
> >
> > +                       lcdif: lcdif@32e00000 {
> > +                               compatible = "fsl,imx8mm-lcdif", "fsl,imx6sx-lcdif";
>
> Based on a comment I read from Marek [1] from this patch series for
> the driver, I think fallback compatible should be fsl,imx28-lcdif.
>
> "The iMX8MM and iMX8MN do not support the overlay plane, so they are MXSFB V4"
>
> [1] - https://patchwork.kernel.org/project/dri-devel/patch/20210620224834.189411-1-marex@denx.de/

Yes, I saw that, look like some conversation is going on that thread.
will update accordingly in next version.

Jagan.