Just as was done for GPIO flags, make PWM flag accessors default to 0
when there are no flags. This makes the API easier to use correctly.
Signed-off-by: Martí Bolívar <marti.bolivar@nordicsemi.no>
Add DT_ macros for retrieving the value of the 'period' cell for PWM
controllers supporting this cell type.
Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>
The cell paramater should have been last to match both the
DT_*_CELL_BY_NAME macros as well as how DT_PHA_BY_IDX works. We fix the
DT_INST_*_CELL_BY_NAME macros as well.
The dma macro's implemented the behavior correctly, but got the argument
names in correct. We fix that to make everything consistent.
Signed-off-by: Kumar Gala <kumar.gala@linaro.org>