[PATCH v3] imx: imx8mm: Add suppoer for Mettler-Toledo snowflake board.

[Frieder Schrempf]

On 31.03.23 16:18, Sebastian Andrzej Siewior wrote:
> From: Manuel Traut <manuel.traut at mt.com>
> 
> The board is similar to "Kontron SL i.MX8M Mini" SoM. There are two variants.
> Snowflake_v2 has an external SDCard Interface. LEIG is the same, but without
> display and without external SDCard Interface. Both variants support
> only 1GiB of main memory.
> 
> [ bigeasy: porting and a bit of cleanup ]
> 
> Signed-off-by: Manuel Traut <manuel.traut at mt.com>
> Signed-off-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
> ---
> v2…v3:
>  Addressing Frieder's comments:
>  - Add "kontron,imx8mm-sl" to the compatible string.
>  - Remove pca9450 node and pinctrl_i2c1. The included
>    imx8mm-kontron-sl.dtsi already provides this.
>  - Merge the overwritten values in dram_timing.ddrc_cfg/fsp_msg directly
>    into lpddr4_timing.c.
>  - Simplify the init in spl_dram_init() and panic() if the init failed.
>  - Replace a reference to SMARC with the current product name of the
>    SoM.
> 
> v1…v2:
>  - Clarify details about the board and whether or not there is an
>    external SD-card interface.

LGTM!

Reviewed-by: Frieder Schrempf <frieder.schrempf at kontron.de>