On Tue, Jun 22, 2021 at 8:39 AM Adam Ford [off-list ref] wrote:

On Mon, Jun 21, 2021 at 2:25 AM Jagan Teki [off-list ref] wrote:

quoted

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.

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