Merge tag 'ti-k3-dt-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux into arm/dt

Devicetree changes for TI K3 platforms for v5.13 merge window:

* New SoCs:
  - AM642 mean for industrial control, motor control, remote IO, IoT gateway etc.
* New Boards:
  - AM65: Siemens SIMATIC IOT2050 advanced and basic boards
  - AM64: EVM and SK boards
* New peripherals:
  - AM65: watchdog
  - AM65,J721E: ICSSG
  - J7200: OSPI, GPIO
* Fixes:
  - AM65: pcie node fixup, ospi speed updates
  - J721e, J7200: MMC speed updates, ospi speed updates and compatibles fixups.

* tag 'ti-k3-dt-for-v5.13' of git://git.kernel.org/pub/scm/linux/kernel/git/nmenon/linux: (39 commits)
  arm64: dts: ti: k3-am64-main: Fix ospi compatible
  arm64: dts: ti: k3-j7200-mcu: Fix ospi compatible
  arm64: dts: ti: k3-j721e-mcu: Fix ospi compatible
  arm64: dts: ti: k3-j7200: Add support for higher speed modes and update delay select values for MMCSD subsystems
  arm64: dts: ti: k3-j7200-common-proc-board: Disable unused gpio modules
  arm64: dts: ti: k3-j7200: Add gpio nodes
  arm64: dts: ti: k3-am642-evm/sk: Add IPC sub-mailbox nodes
  arm64: dts: ti: k3-am64-main: Add mailbox cluster nodes
  arm64: dts: ti: k3-am64-main: Add hwspinlock node
  arm64: dts: ti: k3-am642: reserve gpio in mcu domain for firmware usage
  arm64: dts: ti: k3-am64: Add GPIO DT nodes
  arm64: dts: ti: k3-am64-evm/sk: Add OSPI flash DT node
  arm64: dts: ti: k3-am64-main: Add OSPI node
  arm64: dts: ti: k3-am64-main: Add ADC nodes
  arm64: dts: ti: k3-am642-evm: Add USB support
  arm64: dts: ti: k3-am64-main: Add DT node for USB subsystem
  arm64: dts: ti: Add support for Siemens IOT2050 boards
  dt-bindings: arm: ti: Add bindings for Siemens IOT2050 boards
  dt-bindings: Add Siemens vendor prefix
  arm64: dts: ti: k3-am642-evm: Add support for SPI EEPROM
  ...

Link: https://lore.kernel.org/r/20210405155336.smohb7uzkperqwuz@reflexSigned-off-by: Arnd Bergmann <arnd@arndb.de>