This patch implements working support for EXTI GPIO.
Signed-off-by: Michał Łyszczek <michal.lyszczek@bofc.pl>
--
v1 -> v2:
Suggested by: Petro Karashchenko
- change (1 << n) to (1 << (n)) in macro definition
- change 1 << X to (1 << X) in code
- fix alignment
v2 -> v3:
Suggested by: Petro Karashchenko
- I was supposed to change (1 << pin) to 1 << pin, not the other way around:)
This patch adds documentation for both stm32wl5 chip family and
nucleo-wl55jc board. I've kept the same directory structure for
arm/stm32 as in arch/ and boards/ directories.
Signed-off-by: Michał Łyszczek <michal.lyszczek@bofc.pl>