atsam: Add get_pclock_frequency() helper function

Add get_pclock_frequency() and use it to calculate peripheral clocks. Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
2021-11-20 13:47:17 -05:00
parent 92ca111986
commit bb08dc7ae9
7 changed files with 22 additions and 12 deletions
--- a/src/atsam/internal.h
+++ b/src/atsam/internal.h
@@ -20,5 +20,6 @@
 void gpio_peripheral(uint32_t gpio, char ptype, int32_t pull_up);
 int is_enabled_pclock(uint32_t id);
 void enable_pclock(uint32_t id);
+uint32_t get_pclock_frequency(uint32_t id);

 #endif // internal.h