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fix(esp_hw_support): decrease DCDC volt with increase LDO volt in LDO take over preparation

pull/13557/merge
wuzhenghui 2024-04-15 11:19:49 +08:00
rodzic 55c5c2467d
commit 59a8a8a54a
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ID klucza GPG: 3EFEDECDEBA39BB9
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components/esp_hw_support/port/esp32p4/pmu_sleep.c
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@ -257,13 +257,13 @@ void pmu_sleep_init(const pmu_sleep_config_t *config, bool dslp)
void pmu_sleep_increase_ldo_volt(void) {
REG_SET_FIELD(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_HP_ACTIVE_HP_REGULATOR_DBIAS, 30);
REG_SET_BIT(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_HP_ACTIVE_HP_REGULATOR_XPD);
// Decrease the DCDC voltage to reduce the voltage difference between the DCDC and the LDO to avoid overshooting the DCDC voltage during wake-up.
REG_SET_FIELD(PMU_HP_ACTIVE_BIAS_REG, PMU_HP_ACTIVE_DCM_VSET, 24);
}
void pmu_sleep_shutdown_dcdc(void) {
SET_PERI_REG_MASK(LP_SYSTEM_REG_SYS_CTRL_REG, LP_SYSTEM_REG_LP_FIB_DCDC_SWITCH); //0: enable, 1: disable
REG_SET_BIT(PMU_DCM_CTRL_REG, PMU_DCDC_OFF_REQ);
// Decrease the DCDC voltage to reduce the voltage difference between the DCDC and the LDO to avoid overshooting the DCDC voltage during wake-up.
REG_SET_FIELD(PMU_HP_ACTIVE_BIAS_REG, PMU_HP_ACTIVE_DCM_VSET, 24);
// Decrease hp_ldo voltage.
REG_SET_FIELD(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_HP_ACTIVE_HP_REGULATOR_DBIAS, 24);
}