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esp_hw_support: No voltage drop during light sleep to ensure stable output clock of rtc8m oscillator

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This commit is contained in:
Li Shuai 2021-09-07 11:59:35 +08:00
parent 4ef6e37fcb
commit 4f4254537c
5 changed files with 24 additions and 8 deletions
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3
components/esp_hw_support/port/esp32c3/rtc_sleep.c
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@ -113,7 +113,8 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DG_VDD_DRV_B_SLP, RTC_CNTL_DG_VDD_DRV_B_SLP_DEFAULT);
SET_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP,
cfg.int_8m_pd_en ? RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT : RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP);
}
//Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK.

3
components/esp_hw_support/port/esp32s2/rtc_sleep.c
View File

@ -113,7 +113,8 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
} else {
SET_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP,
cfg.int_8m_pd_en ? RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT : RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP);
}
//Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK.

8
components/soc/esp32/include/soc/rtc.h
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@ -528,9 +528,13 @@ typedef struct rtc_sleep_config_s {
.deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \
.wdt_flashboot_mod_en = 0, \
.dig_dbias_wak = RTC_CNTL_DBIAS_1V10, \
.dig_dbias_slp = RTC_CNTL_DBIAS_0V90, \
.dig_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DBIAS_0V90 \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 \
: RTC_CNTL_DBIAS_0V90, \
.rtc_dbias_wak = RTC_CNTL_DBIAS_1V10, \
.rtc_dbias_slp = RTC_CNTL_DBIAS_0V90, \
.rtc_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DBIAS_0V90 \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 \
: RTC_CNTL_DBIAS_0V90, \
.lslp_meminf_pd = 1, \
.vddsdio_pd_en = ((sleep_flags) & RTC_SLEEP_PD_VDDSDIO) ? 1 : 0, \
.xtal_fpu = ((sleep_flags) & RTC_SLEEP_PD_XTAL) ? 0 : 1 \

9
components/soc/esp32c3/include/soc/rtc.h
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@ -114,6 +114,7 @@ extern "C" {
set sleep_init default param
*/
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT 3
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP 0
#define RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT 15
#define RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT 0
#define RTC_CNTL_BIASSLP_MONITOR_DEFAULT 0
@ -675,9 +676,13 @@ typedef struct {
.deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \
.wdt_flashboot_mod_en = 0, \
.dig_dbias_wak = RTC_CNTL_DBIAS_1V10, \
.dig_dbias_slp = RTC_CNTL_DBIAS_SLP, \
.dig_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DBIAS_SLP \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 \
: RTC_CNTL_DBIAS_SLP, \
.rtc_dbias_wak = RTC_CNTL_DBIAS_1V10, \
.rtc_dbias_slp = RTC_CNTL_DBIAS_SLP, \
.rtc_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DBIAS_SLP \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 \
: RTC_CNTL_DBIAS_SLP, \
.vddsdio_pd_en = ((sleep_flags) & RTC_SLEEP_PD_VDDSDIO) ? 1 : 0, \
.deep_slp_reject = 1, \
.light_slp_reject = 1 \

9
components/soc/esp32s2/include/soc/rtc.h
View File

@ -117,6 +117,7 @@ extern "C" {
set sleep_init default param
*/
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT 6
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_NODROP 0
#define RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT 15
#define RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT 0
#define RTC_CNTL_BIASSLP_MONITOR_DEFAULT 0
@ -686,9 +687,13 @@ typedef struct {
.deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \
.wdt_flashboot_mod_en = 0, \
.dig_dbias_wak = RTC_CNTL_DIG_DBIAS_1V10, \
.dig_dbias_slp = RTC_CNTL_DIG_DBIAS_0V90, \
.dig_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DIG_DBIAS_0V90 \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DIG_DBIAS_1V10 \
: RTC_CNTL_DIG_DBIAS_0V90, \
.rtc_dbias_wak = RTC_CNTL_DBIAS_1V10, \
.rtc_dbias_slp = RTC_CNTL_DBIAS_1V00, \
.rtc_dbias_slp = is_dslp(sleep_flags) ? RTC_CNTL_DBIAS_1V00 \
: !((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? RTC_CNTL_DBIAS_1V10 \
: RTC_CNTL_DBIAS_1V00, \
.vddsdio_pd_en = ((sleep_flags) & RTC_SLEEP_PD_VDDSDIO) ? 1 : 0, \
.deep_slp_reject = 1, \
.light_slp_reject = 1 \