mc3:dts: Initial commit for mc3 devicetree
What works:
- fngsystem (kirkstone) ramfs boot via uuu
- for UART2 an alias to serial0 is set
- ethernet, at the moment no phy-reg is set explictily
- RTC, we need to check if specific backup source settings are required: root@FLASH-N-GO:~# dmesg | grep rtc [ 1.519835] snvs_rtc 30370000.snvs:snvs-rtc-lp: registered as rtc1 [ 1.960681] rtc-rv8803 0-0032: Voltage low, temperature compensation stopped. [ 1.967833] rtc-rv8803 0-0032: Voltage low, data loss detected. [ 1.977571] rtc-rv8803 0-0032: Voltage low, data is invalid.
BCS 746-000818