A regression was introduced in ef804d8408
when the M_CAN driver was swapped to use the generic dcache API, but
cache management was not enabled on SAM devices.
Enable cache management on SAM devices when CAN_SAM is selected.
Signed-off-by: Perry Hung <perry@genrad.com>
Update CAN drivers to use DT_HAS_<compat>_ENABLED Kconfig symbol to expose
the driver and enable it by default based on devicetree.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
Use the UPLLCK clock for the CAN controller as recommended by the Atmel SAM
E70 data sheet.
Move the configuration of the clock prescaler from Kconfig to devicetree
and limit it to the values recommended by the SAM E70 datasheet.
Fixes: #45012
Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>
Perry Hung