[PATCH v2 0/2] Add support for Kontron i.MX8MM SoMs and boards

[Schrempf Frieder]

From: Frieder Schrempf <frieder.schrempf at kontron.de>

Kontron Electronics GmbH offers small and powerful SoMs based on the
i.MX8M Mini SoC including PMIC, LPDDR4-RAM, eMMC and SPI NOR.

Currently there are two SoM models:
  * SL i.MX8MM N8010 with 1GB RAM and 8 GB eMMC
  * SL i.MX8MM N8011 with 2GB RAM and 8 GB eMMC

The matching baseboard has the same form factor and similar interfaces
as the other boards from the Kontron "Board-Line" family, including
SD card, 1G Ethernet, 100M Ethernet, USB Host/OTG, digital IOs, RS232,
RS485, CAN, LVDS or HDMI, RTC and much more.

This adds the basic support for the SoMs and boards. Some things to note:
  * The SoMs use the PCA9450 PMIC. The driver support is queued: [1].
  * The support for the SPI NOR flash is queued: [2].
  * The graphics and display peripherals (DSI, LVDS, HDMI, GPU, etc.) are not
    supported upstream yet.
  * There seems to be an unresolved issue with the upstream SPI driver for
    i.MX8MM which breaks SPI devices: [3].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?h=next-20200716&id=0935ff5f1f0a44f66a13e075ed49f97ad99d2fdc
[2] https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit?h=next-20200716&id=482dcb2a04fdf6d4306e40f2b0537a313a466558
[3] https://patchwork.kernel.org/patch/11037107/#23227681.

Frieder Schrempf (2):
  arm64: dts: Add the Kontron i.MX8M Mini SoMs and baseboards
  dt-bindings: arm: fsl: Add Kontron i.MX8M Mini SoMs and boards

 .../devicetree/bindings/arm/fsl.yaml          |   7 +
 .../dts/freescale/imx8mm-kontron-n801x-s.dts  | 327 ++++++++++++++++++
 .../freescale/imx8mm-kontron-n801x-som.dtsi   | 294 ++++++++++++++++
 3 files changed, 628 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-s.dts
 create mode 100644 arch/arm64/boot/dts/freescale/imx8mm-kontron-n801x-som.dtsi

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