diff --git a/soc/arm/ambiq/apollo4x/soc.c b/soc/arm/ambiq/apollo4x/soc.c index 30288ad12c3..225f5013441 100644 --- a/soc/arm/ambiq/apollo4x/soc.c +++ b/soc/arm/ambiq/apollo4x/soc.c @@ -10,7 +10,14 @@ static int arm_apollo4_init(void) { + + /* Initialize for low power in the power control block */ am_hal_pwrctrl_low_power_init(); + + /* Enable SIMOBUCK for the Apollo4 Family */ + am_hal_pwrctrl_control(AM_HAL_PWRCTRL_CONTROL_SIMOBUCK_INIT, 0); + + /* Disable the RTC. */ am_hal_rtc_osc_disable(); return 0;