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Power Management: add RTC8M power domain to control whether internal 8m oscillator is powered down during sleep

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This commit is contained in:
Li Shuai
2021-08-27 10:38:55 +08:00
parent 028ff956b2
commit e44ead5356
11 changed files with 57 additions and 5 deletions
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4
components/soc/esp32/include/soc/rtc.h
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@@ -493,6 +493,7 @@ typedef struct rtc_sleep_config_s {
uint32_t rtc_slowmem_pd_en : 1; //!< power down RTC slow memory
uint32_t rtc_peri_pd_en : 1; //!< power down RTC peripherals
uint32_t wifi_pd_en : 1; //!< power down WiFi
uint32_t int_8m_pd_en : 1; //!< Power down Internal 8M oscillator
uint32_t rom_mem_pd_en : 1; //!< power down main RAM and ROM
uint32_t deep_slp : 1; //!< power down digital domain
uint32_t wdt_flashboot_mod_en : 1; //!< enable WDT flashboot mode
@@ -513,6 +514,7 @@ typedef struct rtc_sleep_config_s {
*
* @param RTC_SLEEP_PD_x flags combined using bitwise OR
*/
#define is_dslp(pd_flags) ((pd_flags) & RTC_SLEEP_PD_DIG)
#define RTC_SLEEP_CONFIG_DEFAULT(sleep_flags) { \
.lslp_mem_inf_fpu = 0, \
.rtc_mem_inf_fpu = 0, \
@@ -521,6 +523,7 @@ typedef struct rtc_sleep_config_s {
.rtc_slowmem_pd_en = ((sleep_flags) & RTC_SLEEP_PD_RTC_SLOW_MEM) ? 1 : 0, \
.rtc_peri_pd_en = ((sleep_flags) & RTC_SLEEP_PD_RTC_PERIPH) ? 1 : 0, \
.wifi_pd_en = 0, \
.int_8m_pd_en = is_dslp(sleep_flags) ? 1 : ((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? 1 : 0, \
.rom_mem_pd_en = 0, \
.deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \
.wdt_flashboot_mod_en = 0, \
@@ -540,6 +543,7 @@ typedef struct rtc_sleep_config_s {
#define RTC_SLEEP_PD_RTC_MEM_FOLLOW_CPU BIT(4) //!< RTC FAST and SLOW memories are automatically powered up and down along with the CPU
#define RTC_SLEEP_PD_VDDSDIO BIT(5) //!< Power down VDDSDIO regulator
#define RTC_SLEEP_PD_XTAL BIT(6) //!< Power down main XTAL
#define RTC_SLEEP_PD_INT_8M BIT(7) //!< Power down Internal 8M oscillator
/* Various delays to be programmed into power control state machines */
#define RTC_CNTL_XTL_BUF_WAIT_SLP_US (500)