board: iot2050: Support new IOT2050-SM variant
Main differences between the new variant and Advanced PG2:
1. Arduino interface is removed. Instead, an new ASIC is added for
communicating with PLC 1200 signal modules.
2. USB 3.0 type A connector is removed, only USB 2.0 type A connector is
available.
3. DP interface is tailored down. Instead, to communicate with the
PLC 1200 signal modules, a USB 3.0 type B connector is added but the
signal is not USB.
4. DDR size is increased to 4 GB.
5. Two sensors are added, one tilt sensor and one light sensor.
Signed-off-by: Baocheng Su <baocheng.su@siemens.com>
[Jan: rebased over OF_UPSTREAM]
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
5 files changed