diff --git a/components/esp_hw_support/include/esp_sleep.h b/components/esp_hw_support/include/esp_sleep.h index cfdfbc0418..75d2f9726c 100644 --- a/components/esp_hw_support/include/esp_sleep.h +++ b/components/esp_hw_support/include/esp_sleep.h @@ -44,6 +44,7 @@ typedef enum { #if SOC_PM_SUPPORT_CPU_PD ESP_PD_DOMAIN_CPU, //!< CPU core #endif + ESP_PD_DOMAIN_RTC8M, //!< Internal 8M oscillator ESP_PD_DOMAIN_VDDSDIO, //!< VDD_SDIO ESP_PD_DOMAIN_MAX //!< Number of domains } esp_sleep_pd_domain_t; diff --git a/components/esp_hw_support/port/esp32/rtc_sleep.c b/components/esp_hw_support/port/esp32/rtc_sleep.c index 37db57a95f..dff1b49acd 100644 --- a/components/esp_hw_support/port/esp32/rtc_sleep.c +++ b/components/esp_hw_support/port/esp32/rtc_sleep.c @@ -186,9 +186,11 @@ void rtc_sleep_init(rtc_sleep_config_t cfg) REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); } //Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK. - if (!cfg.deep_slp && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) { + if (!cfg.int_8m_pd_en && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) { REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PD); REG_SET_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + } else { + REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); } /* enable VDDSDIO control by state machine */ diff --git a/components/esp_hw_support/port/esp32c3/rtc_sleep.c b/components/esp_hw_support/port/esp32c3/rtc_sleep.c index d6e8cbe571..b72a5877c5 100644 --- a/components/esp_hw_support/port/esp32c3/rtc_sleep.c +++ b/components/esp_hw_support/port/esp32c3/rtc_sleep.c @@ -108,6 +108,16 @@ void rtc_sleep_init(rtc_sleep_config_t cfg) REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT); } + //Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK. + if (!cfg.int_8m_pd_en && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) { + CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PD); + SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + SET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_NOGATING); + } else { + CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_NOGATING); + } + /* enable VDDSDIO control by state machine */ REG_CLR_BIT(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_FORCE); REG_SET_FIELD(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_PD_EN, cfg.vddsdio_pd_en); diff --git a/components/esp_hw_support/port/esp32s2/rtc_sleep.c b/components/esp_hw_support/port/esp32s2/rtc_sleep.c index a55ed1db3c..569be6bcee 100644 --- a/components/esp_hw_support/port/esp32s2/rtc_sleep.c +++ b/components/esp_hw_support/port/esp32s2/rtc_sleep.c @@ -103,11 +103,19 @@ void rtc_sleep_init(rtc_sleep_config_t cfg) RTC_CNTL_RFRX_PBUS_PU | RTC_CNTL_TXRF_I2C_PU); CLEAR_PERI_REG_MASK(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_BB_I2C_FORCE_PU); } else { - SET_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU); + 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); } + //Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK. + if (!cfg.int_8m_pd_en && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) { + REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PD); + REG_SET_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + } else { + REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + } + /* enable VDDSDIO control by state machine */ REG_CLR_BIT(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_FORCE); REG_SET_FIELD(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_PD_EN, cfg.vddsdio_pd_en); diff --git a/components/esp_hw_support/port/esp32s3/rtc_sleep.c b/components/esp_hw_support/port/esp32s3/rtc_sleep.c index 2d2623588c..fbd8b4d830 100644 --- a/components/esp_hw_support/port/esp32s3/rtc_sleep.c +++ b/components/esp_hw_support/port/esp32s3/rtc_sleep.c @@ -118,6 +118,14 @@ void rtc_sleep_init(rtc_sleep_config_t cfg) /* mem pd */ CLEAR_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_LSLP_MEM_FORCE_PU); + //Keep the RTC8M_CLK on in light_sleep mode if the ledc low-speed channel is clocked by RTC8M_CLK. + if (!cfg.int_8m_pd_en && GET_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_EN_M)) { + REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PD); + REG_SET_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + } else { + REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_CK8M_FORCE_PU); + } + /* enable VDDSDIO control by state machine */ REG_CLR_BIT(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_FORCE); REG_SET_FIELD(RTC_CNTL_SDIO_CONF_REG, RTC_CNTL_SDIO_PD_EN, cfg.vddsdio_pd_en); diff --git a/components/esp_hw_support/sleep_modes.c b/components/esp_hw_support/sleep_modes.c index 6dc7522352..b65509747b 100644 --- a/components/esp_hw_support/sleep_modes.c +++ b/components/esp_hw_support/sleep_modes.c @@ -158,7 +158,7 @@ static sleep_config_t s_config = { #if SOC_PM_SUPPORT_CPU_PD ESP_PD_OPTION_AUTO, #endif - ESP_PD_OPTION_AUTO + ESP_PD_OPTION_AUTO, ESP_PD_OPTION_AUTO }, .ccount_ticks_record = 0, .sleep_time_overhead_out = DEFAULT_SLEEP_OUT_OVERHEAD_US, @@ -1194,6 +1194,9 @@ static uint32_t get_power_down_flags(void) pd_flags |= RTC_SLEEP_PD_CPU; } #endif + if (s_config.pd_options[ESP_PD_DOMAIN_RTC8M] != ESP_PD_OPTION_ON) { + pd_flags |= RTC_SLEEP_PD_INT_8M; + } #ifdef CONFIG_IDF_TARGET_ESP32 pd_flags |= RTC_SLEEP_PD_XTAL; diff --git a/components/soc/esp32/include/soc/rtc.h b/components/soc/esp32/include/soc/rtc.h index 7e4a73a20f..794d21308a 100644 --- a/components/soc/esp32/include/soc/rtc.h +++ b/components/soc/esp32/include/soc/rtc.h @@ -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) diff --git a/components/soc/esp32c3/include/soc/rtc.h b/components/soc/esp32c3/include/soc/rtc.h index 40e6ec81d1..dd7e143f29 100644 --- a/components/soc/esp32c3/include/soc/rtc.h +++ b/components/soc/esp32c3/include/soc/rtc.h @@ -639,7 +639,8 @@ typedef struct { uint32_t rtc_peri_pd_en : 1; //!< power down RTC peripherals uint32_t wifi_pd_en : 1; //!< power down WiFi uint32_t bt_pd_en : 1; //!< power down BT - uint32_t cpu_pd_en : 1; //!< power down CPU, but not restart when lightsleep. + uint32_t cpu_pd_en : 1; //!< power down CPU, but not restart when lightsleep. + uint32_t int_8m_pd_en : 1; //!< Power down Internal 8M oscillator uint32_t dig_peri_pd_en : 1; //!< power down digital peripherals uint32_t deep_slp : 1; //!< power down digital domain uint32_t wdt_flashboot_mod_en : 1; //!< enable WDT flashboot mode @@ -660,6 +661,7 @@ typedef struct { * * @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_follow_cpu = ((sleep_flags) & RTC_SLEEP_PD_RTC_MEM_FOLLOW_CPU) ? 1 : 0, \ @@ -669,6 +671,7 @@ typedef struct { .wifi_pd_en = ((sleep_flags) & RTC_SLEEP_PD_WIFI) ? 1 : 0, \ .bt_pd_en = ((sleep_flags) & RTC_SLEEP_PD_BT) ? 1 : 0, \ .cpu_pd_en = ((sleep_flags) & RTC_SLEEP_PD_CPU) ? 1 : 0, \ + .int_8m_pd_en = is_dslp(sleep_flags) ? 1 : ((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? 1 : 0, \ .dig_peri_pd_en = ((sleep_flags) & RTC_SLEEP_PD_DIG_PERIPH) ? 1 : 0, \ .deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \ .wdt_flashboot_mod_en = 0, \ @@ -691,6 +694,7 @@ typedef struct { #define RTC_SLEEP_PD_BT BIT(7) //!< Power down BT #define RTC_SLEEP_PD_CPU BIT(8) //!< Power down CPU when in lightsleep, but not restart #define RTC_SLEEP_PD_DIG_PERIPH BIT(9) //!< Power down DIG peripherals +#define RTC_SLEEP_PD_INT_8M BIT(10) //!< Power down Internal 8M oscillator /** * @brief Prepare the chip to enter sleep mode diff --git a/components/soc/esp32h2/include/soc/rtc.h b/components/soc/esp32h2/include/soc/rtc.h index 4c9e3c46a9..841aed0bdd 100644 --- a/components/soc/esp32h2/include/soc/rtc.h +++ b/components/soc/esp32h2/include/soc/rtc.h @@ -651,7 +651,8 @@ typedef struct { uint32_t rtc_peri_pd_en : 1; //!< power down RTC peripherals uint32_t dig_ret_pd_en : 1; //!< power down dig_ret uint32_t bt_pd_en : 1; //!< power down BT - uint32_t cpu_pd_en : 1; //!< power down CPU, but not restart when lightsleep. + uint32_t cpu_pd_en : 1; //!< power down CPU, but not restart when lightsleep. + uint32_t int_8m_pd_en : 1; //!< Power down Internal 8M oscillator uint32_t dig_peri_pd_en : 1; //!< power down digital peripherals uint32_t deep_slp : 1; //!< power down digital domain uint32_t wdt_flashboot_mod_en : 1; //!< enable WDT flashboot mode @@ -672,6 +673,7 @@ typedef struct { * * @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_follow_cpu = ((sleep_flags) & RTC_SLEEP_PD_RTC_MEM_FOLLOW_CPU) ? 1 : 0, \ @@ -681,6 +683,7 @@ typedef struct { .dig_ret_pd_en = ((sleep_flags) & RTC_SLEEP_PD_DIG_RET) ? 1 : 0, \ .bt_pd_en = ((sleep_flags) & RTC_SLEEP_PD_BT) ? 1 : 0, \ .cpu_pd_en = ((sleep_flags) & RTC_SLEEP_PD_CPU) ? 1 : 0, \ + .int_8m_pd_en = is_dslp(sleep_flags) ? 1 : ((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? 1 : 0, \ .dig_peri_pd_en = ((sleep_flags) & RTC_SLEEP_PD_DIG_PERIPH) ? 1 : 0, \ .deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \ .wdt_flashboot_mod_en = 0, \ @@ -703,6 +706,7 @@ typedef struct { #define RTC_SLEEP_PD_BT BIT(7) //!< Power down BT #define RTC_SLEEP_PD_CPU BIT(8) //!< Power down CPU when in lightsleep, but not restart #define RTC_SLEEP_PD_DIG_PERIPH BIT(9) //!< Power down DIG peripherals +#define RTC_SLEEP_PD_INT_8M BIT(10) //!< Power down Internal 8M oscillator /** * @brief Prepare the chip to enter sleep mode diff --git a/components/soc/esp32s2/include/soc/rtc.h b/components/soc/esp32s2/include/soc/rtc.h index 1877bb1cfe..ec9f0e606c 100644 --- a/components/soc/esp32s2/include/soc/rtc.h +++ b/components/soc/esp32s2/include/soc/rtc.h @@ -658,6 +658,7 @@ typedef struct { 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 deep_slp : 1; //!< power down digital domain uint32_t wdt_flashboot_mod_en : 1; //!< enable WDT flashboot mode uint32_t dig_dbias_wak : 3; //!< set bias for digital domain, in active mode @@ -677,6 +678,7 @@ typedef struct { * * @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_follow_cpu = ((sleep_flags) & RTC_SLEEP_PD_RTC_MEM_FOLLOW_CPU) ? 1 : 0, \ @@ -684,6 +686,7 @@ typedef struct { .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 = ((sleep_flags) & RTC_SLEEP_PD_WIFI) ? 1 : 0, \ + .int_8m_pd_en = is_dslp(sleep_flags) ? 1 : ((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? 1 : 0, \ .deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \ .wdt_flashboot_mod_en = 0, \ .dig_dbias_wak = RTC_CNTL_DIG_DBIAS_1V10, \ @@ -702,6 +705,7 @@ typedef struct { #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_WIFI BIT(6) +#define RTC_SLEEP_PD_INT_8M BIT(7) //!< Power down Internal 8M oscillator /** * @brief Prepare the chip to enter sleep mode diff --git a/components/soc/esp32s3/include/soc/rtc.h b/components/soc/esp32s3/include/soc/rtc.h index d46211cc11..30c1eb2984 100644 --- a/components/soc/esp32s3/include/soc/rtc.h +++ b/components/soc/esp32s3/include/soc/rtc.h @@ -643,6 +643,7 @@ typedef struct { uint32_t wifi_pd_en : 1; //!< power down WiFi uint32_t bt_pd_en : 1; //!< power down BT uint32_t cpu_pd_en : 1; //!< power down CPU, but not restart when lightsleep. + uint32_t int_8m_pd_en : 1; //!< Power down Internal 8M oscillator uint32_t dig_peri_pd_en : 1; //!< power down digital peripherals uint32_t deep_slp : 1; //!< power down digital domain uint32_t wdt_flashboot_mod_en : 1; //!< enable WDT flashboot mode @@ -663,6 +664,7 @@ typedef struct { * * @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_follow_cpu = ((sleep_flags) & RTC_SLEEP_PD_RTC_MEM_FOLLOW_CPU) ? 1 : 0, \ @@ -672,6 +674,7 @@ typedef struct { .wifi_pd_en = ((sleep_flags) & RTC_SLEEP_PD_WIFI) ? 1 : 0, \ .bt_pd_en = ((sleep_flags) & RTC_SLEEP_PD_BT) ? 1 : 0, \ .cpu_pd_en = ((sleep_flags) & RTC_SLEEP_PD_CPU) ? 1 : 0, \ + .int_8m_pd_en = is_dslp(sleep_flags) ? 1 : ((sleep_flags) & RTC_SLEEP_PD_INT_8M) ? 1 : 0, \ .dig_peri_pd_en = ((sleep_flags) & RTC_SLEEP_PD_DIG_PERIPH) ? 1 : 0, \ .deep_slp = ((sleep_flags) & RTC_SLEEP_PD_DIG) ? 1 : 0, \ .wdt_flashboot_mod_en = 0, \ @@ -694,6 +697,7 @@ typedef struct { #define RTC_SLEEP_PD_BT BIT(7) //!< Power down BT #define RTC_SLEEP_PD_CPU BIT(8) //!< Power down CPU when in lightsleep, but not restart #define RTC_SLEEP_PD_DIG_PERIPH BIT(9) //!< Power down DIG peripherals +#define RTC_SLEEP_PD_INT_8M BIT(10) //!< Power down Internal 8M oscillator /** * @brief Prepare the chip to enter sleep mode