The design of the i.MX91 platform is very similar to i.MX93.
The mainly difference between i.MX91 and i.MX93 is as follows:
- i.MX91 removed some clocks and modified the names of some clocks.
- i.MX91 only has one A core
- i.MX91 has different pinmux

Therefore, i.MX91 can reuse i.MX93 dtsi.

---
Change for v2:
- change ddr node pmu comaptible
- remove mu1 and mu2
- change iomux node compatible and enable 91 pinctrl
- refine commit message for patch #2
- change hex to lowercase in pinfunc.h
- ordering nodes with the dt-format tool
- link to v1: https://lore.kernel.org/all/20241108022703.1877171-1-pengfei.li_1@nxp.com/ (local)

Pengfei Li (4):
  dt-bindings: arm: fsl: Add i.MX91 11x11 evk board
  arm64: dts: freescale: Add i.MX91 dtsi support
  arm64: dts: freescale: Add i.MX91 11x11 EVK basic support
  arm64: defconfig: enable i.MX91 pinctrl

 .../devicetree/bindings/arm/fsl.yaml          |   6 +
 arch/arm64/boot/dts/freescale/Makefile        |   1 +
 .../boot/dts/freescale/imx91-11x11-evk.dts    | 812 ++++++++++++++++++
 arch/arm64/boot/dts/freescale/imx91-pinfunc.h | 770 +++++++++++++++++
 arch/arm64/boot/dts/freescale/imx91.dtsi      |  70 ++
 arch/arm64/configs/defconfig                  |   1 +
 6 files changed, 1660 insertions(+)
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-11x11-evk.dts
 create mode 100644 arch/arm64/boot/dts/freescale/imx91-pinfunc.h
 create mode 100644 arch/arm64/boot/dts/freescale/imx91.dtsi

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