clk_HFPERCLKUSART0   24 include/dt-bindings/clock/efm32-cmu.h #define clk_HFPERCLKUSART0	19
clk_HFPERCLKUSART0   24 scripts/dtc/include-prefixes/dt-bindings/clock/efm32-cmu.h #define clk_HFPERCLKUSART0	19