Merge branch 'feature/c2_soc_hwsupport_code' into 'master'

ESP32-C2 (729) RTC update (Clock, PM)

Closes IDF-3833 and IDF-4874

See merge request espressif/esp-idf!17311
pull/8968/head
morris 2022-05-11 11:23:57 +08:00
commit 523c51818c
24 zmienionych plików z 136 dodań i 182 usunięć

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@ -37,9 +37,15 @@ typedef enum {
* @brief Power domains which can be powered down in sleep mode
*/
typedef enum {
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
ESP_PD_DOMAIN_RTC_PERIPH, //!< RTC IO, sensors and ULP co-processor
#endif
#if SOC_RTC_SLOW_MEM_SUPPORTED
ESP_PD_DOMAIN_RTC_SLOW_MEM, //!< RTC slow memory
#endif
#if SOC_RTC_FAST_MEM_SUPPORTED
ESP_PD_DOMAIN_RTC_FAST_MEM, //!< RTC fast memory
#endif
ESP_PD_DOMAIN_XTAL, //!< XTAL oscillator
#if SOC_PM_SUPPORT_CPU_PD
ESP_PD_DOMAIN_CPU, //!< CPU core

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@ -35,19 +35,6 @@ static int s_cur_pll_freq;
static void rtc_clk_cpu_freq_to_8m(void);
void rtc_clk_32k_bootstrap(uint32_t cycle)
{
/* No special bootstrapping needed for ESP32-C2, 'cycle' argument is to keep the signature
* same as for the ESP32. Just enable the XTAL here.
*/
}
bool rtc_clk_32k_enabled(void)
{
return 0;
}
void rtc_clk_8m_enable(bool clk_8m_en, bool d256_en)
{
if (clk_8m_en) {
@ -87,7 +74,7 @@ void rtc_clk_slow_freq_set(rtc_slow_freq_t slow_freq)
* Or maybe this clock should be connected to digital when xtal 32k clock is enabled instead?
*/
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN,
(slow_freq == RTC_SLOW_FREQ_32K_XTAL) ? 1 : 0);
(slow_freq == RTC_SLOW_FREQ_EXT_CLK) ? 1 : 0);
/* The clk_8m_d256 will be closed when rtc_state in SLEEP,
so if the slow_clk is 8md256, clk_8m must be force power on
@ -105,7 +92,7 @@ uint32_t rtc_clk_slow_freq_get_hz(void)
{
switch (rtc_clk_slow_freq_get()) {
case RTC_SLOW_FREQ_RTC: return RTC_SLOW_CLK_FREQ_150K;
case RTC_SLOW_FREQ_32K_XTAL: return RTC_SLOW_CLK_FREQ_32K;
case RTC_SLOW_FREQ_EXT_CLK: return RTC_SLOW_CLK_FREQ_EXT;
case RTC_SLOW_FREQ_8MD256: return RTC_SLOW_CLK_FREQ_8MD256;
}
return 0;
@ -154,15 +141,13 @@ void rtc_clk_bbpll_configure(rtc_xtal_freq_t xtal_freq, int pll_freq)
REGI2C_WRITE(I2C_BBPLL, I2C_BBPLL_MODE_HF, 0x6B);
uint8_t i2c_bbpll_lref = (dchgp << I2C_BBPLL_OC_DCHGP_LSB) | (div_ref);
uint8_t i2c_bbpll_div_7_0 = div7_0;
uint8_t i2c_bbpll_dcur = (2 << I2C_BBPLL_OC_DLREF_SEL_LSB ) | (1 << I2C_BBPLL_OC_DHREF_SEL_LSB) | dcur;
uint8_t i2c_bbpll_dcur = (1 << I2C_BBPLL_OC_DLREF_SEL_LSB ) | (3 << I2C_BBPLL_OC_DHREF_SEL_LSB) | dcur;
REGI2C_WRITE(I2C_BBPLL, I2C_BBPLL_OC_REF_DIV, i2c_bbpll_lref);
REGI2C_WRITE(I2C_BBPLL, I2C_BBPLL_OC_DIV_7_0, i2c_bbpll_div_7_0);
REGI2C_WRITE_MASK(I2C_BBPLL, I2C_BBPLL_OC_DR1, dr1);
REGI2C_WRITE_MASK(I2C_BBPLL, I2C_BBPLL_OC_DR3, dr3);
REGI2C_WRITE(I2C_BBPLL, I2C_BBPLL_OC_DCUR, i2c_bbpll_dcur);
REGI2C_WRITE_MASK(I2C_BBPLL, I2C_BBPLL_OC_VCO_DBIAS, dbias);
REGI2C_WRITE_MASK(I2C_BBPLL, I2C_BBPLL_OC_DHREF_SEL, 2);
REGI2C_WRITE_MASK(I2C_BBPLL, I2C_BBPLL_OC_DLREF_SEL, 1);
s_cur_pll_freq = pll_freq;
}

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@ -112,6 +112,7 @@ void rtc_init(rtc_config_t cfg)
}
REG_WRITE(RTC_CNTL_INT_ENA_REG, 0);
REG_WRITE(RTC_CNTL_INT_CLR_REG, UINT32_MAX);
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_CK, 1);
}
rtc_vddsdio_config_t rtc_vddsdio_get_config(void)
@ -142,11 +143,11 @@ static void calibrate_ocode(void)
5. set cpu to old-config.
*/
rtc_slow_freq_t slow_clk_freq = rtc_clk_slow_freq_get();
rtc_slow_freq_t rtc_slow_freq_x32k = RTC_SLOW_FREQ_32K_XTAL;
rtc_slow_freq_t rtc_slow_freq_ext_clk = RTC_SLOW_FREQ_EXT_CLK;
rtc_slow_freq_t rtc_slow_freq_8MD256 = RTC_SLOW_FREQ_8MD256;
rtc_cal_sel_t cal_clk = RTC_CAL_RTC_MUX;
if (slow_clk_freq == (rtc_slow_freq_x32k)) {
cal_clk = RTC_CAL_32K_XTAL;
if (slow_clk_freq == (rtc_slow_freq_ext_clk)) {
cal_clk = RTC_CAL_EXT_CLK;
} else if (slow_clk_freq == rtc_slow_freq_8MD256) {
cal_clk = RTC_CAL_8MD256;
}
@ -240,7 +241,7 @@ uint32_t get_rtc_dbias_by_efuse(uint8_t chip_version, uint32_t dig_dbias)
static void set_rtc_dig_dbias()
{
/*
1. a reasonable dig_dbias which by scaning pvt to make 160 CPU run successful stored in efuse;
1. a reasonable dig_dbias which by scaning pvt to make 120 CPU run successful stored in efuse;
2. also we store some value in efuse, include:
k_rtc_ldo (slope of rtc voltage & rtc_dbias);
k_dig_ldo (slope of digital voltage & digital_dbias);
@ -248,7 +249,7 @@ static void set_rtc_dig_dbias()
v_dig_bias20 (digital voltage when digital dbais is 20).
3. a reasonable rtc_dbias can be calculated by a certion formula.
*/
uint32_t rtc_dbias = 28, dig_dbias = 28;
uint32_t rtc_dbias = 31, dig_dbias = 26;
uint8_t chip_version = esp_efuse_get_chip_ver();
if (chip_version >= 3) {
dig_dbias = get_dig_dbias_by_efuse(chip_version);

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@ -43,7 +43,6 @@ pm_sw_reject_t pm_set_sleep_mode(pm_sleep_mode_t sleep_mode, void(*pmac_save_par
switch (sleep_mode) {
case PM_LIGHT_SLEEP:
cfg.wifi_pd_en = 1;
cfg.dig_dbias_wak = 4;
cfg.dig_dbias_slp = 0;
cfg.rtc_dbias_wak = 0;

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@ -62,17 +62,15 @@ void rtc_sleep_init(rtc_sleep_config_t cfg)
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_MONITOR, RTC_CNTL_DBG_ATTEN_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_MONITOR, RTC_CNTL_BIASSLP_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_DEEP_SLP, RTC_CNTL_BIASSLP_SLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_BIAS_SLEEP_DEEP_SLP,
(!cfg.deep_slp && cfg.xtal_fpu) ? RTC_CNTL_BIASSLP_SLEEP_ON : RTC_CNTL_BIASSLP_SLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_MONITOR, RTC_CNTL_PD_CUR_MONITOR_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_DEEP_SLP, RTC_CNTL_PD_CUR_SLEEP_DEFAULT);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_PD_CUR_DEEP_SLP,
(!cfg.deep_slp && cfg.xtal_fpu) ? RTC_CNTL_PD_CUR_SLEEP_ON : RTC_CNTL_PD_CUR_SLEEP_DEFAULT);
if (cfg.deep_slp) {
REGI2C_WRITE_MASK(I2C_ULP, I2C_ULP_IR_FORCE_XPD_CK, 0);
CLEAR_PERI_REG_MASK(RTC_CNTL_REG, RTC_CNTL_REGULATOR_FORCE_PU);
unsigned atten_deep_sleep = RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT;
if (esp_efuse_get_chip_ver() < 3) {
atten_deep_sleep = 0; /* workaround for deep sleep issue in high temp on ECO2 and below */
}
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, atten_deep_sleep);
REG_SET_FIELD(RTC_CNTL_BIAS_CONF_REG, RTC_CNTL_DBG_ATTEN_DEEP_SLP, RTC_CNTL_DBG_ATTEN_DEEPSLEEP_DEFAULT);
SET_PERI_REG_MASK(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_DG_WRAP_PD_EN);
CLEAR_PERI_REG_MASK(RTC_CNTL_ANA_CONF_REG,
RTC_CNTL_CKGEN_I2C_PU | RTC_CNTL_PLL_I2C_PU |
@ -83,17 +81,32 @@ 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.
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_DIG_PWC_REG, RTC_CNTL_VDD_SPI_PWR_FORCE);
REG_SET_FIELD(RTC_CNTL_DIG_PWC_REG, RTC_CNTL_VDD_SPI_PD_EN, cfg.vddsdio_pd_en);
REGI2C_WRITE_MASK(I2C_DIG_REG, I2C_DIG_REG_EXT_RTC_DREG_SLEEP, cfg.rtc_dbias_slp);
REGI2C_WRITE_MASK(I2C_DIG_REG, I2C_DIG_REG_EXT_DIG_DREG_SLEEP, cfg.dig_dbias_slp);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_DEEP_SLP_REJECT_EN, cfg.deep_slp_reject);
REG_SET_FIELD(RTC_CNTL_SLP_REJECT_CONF_REG, RTC_CNTL_LIGHT_SLP_REJECT_EN, cfg.light_slp_reject);
/* gating XTAL clock */
REG_CLR_BIT(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_XTAL_GLOBAL_FORCE_NOGATING);
REG_SET_FIELD(RTC_CNTL_OPTIONS0_REG, RTC_CNTL_XTL_FORCE_PU, cfg.xtal_fpu);
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_XTAL_GLOBAL_FORCE_NOGATING, cfg.xtal_fpu);
}
void rtc_sleep_low_init(uint32_t slowclk_period)

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@ -38,15 +38,15 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
*/
if (cal_clk == RTC_CAL_RTC_MUX) {
rtc_slow_freq_t slow_freq = rtc_clk_slow_freq_get();
if (slow_freq == RTC_SLOW_FREQ_32K_XTAL) {
cal_clk = RTC_CAL_32K_XTAL;
if (slow_freq == RTC_SLOW_FREQ_EXT_CLK) {
cal_clk = RTC_CAL_EXT_CLK;
} else if (slow_freq == RTC_SLOW_FREQ_8MD256) {
cal_clk = RTC_CAL_8MD256;
}
}
/* Enable requested clock (150k clock is always on) */
int dig_32k_xtal_state = REG_GET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN);
if (cal_clk == RTC_CAL_32K_XTAL && !dig_32k_xtal_state) {
int dig_ext_clk_state = REG_GET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN);
if (cal_clk == RTC_CAL_EXT_CLK && !dig_ext_clk_state) {
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN, 1);
}
@ -69,9 +69,9 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
/* Set timeout reg and expect time delay*/
uint32_t expected_freq;
if (cal_clk == RTC_CAL_32K_XTAL) {
if (cal_clk == RTC_CAL_EXT_CLK) {
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, RTC_SLOW_CLK_X32K_CAL_TIMEOUT_THRES(slowclk_cycles));
expected_freq = RTC_SLOW_CLK_FREQ_32K;
expected_freq = RTC_SLOW_CLK_FREQ_EXT;
} else if (cal_clk == RTC_CAL_8MD256) {
REG_SET_FIELD(TIMG_RTCCALICFG2_REG(0), TIMG_RTC_CALI_TIMEOUT_THRES, RTC_SLOW_CLK_8MD256_CAL_TIMEOUT_THRES(slowclk_cycles));
expected_freq = RTC_SLOW_CLK_FREQ_8MD256;
@ -99,7 +99,7 @@ uint32_t rtc_clk_cal_internal(rtc_cal_sel_t cal_clk, uint32_t slowclk_cycles)
}
CLEAR_PERI_REG_MASK(TIMG_RTCCALICFG_REG(0), TIMG_RTC_CALI_START);
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN, dig_32k_xtal_state);
REG_SET_FIELD(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_XTAL32K_EN, dig_ext_clk_state);
if (cal_clk == RTC_CAL_8MD256) {
CLEAR_PERI_REG_MASK(RTC_CNTL_CLK_CONF_REG, RTC_CNTL_DIG_CLK8M_D256_EN);

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@ -155,7 +155,16 @@ _Static_assert(22 >= SOC_RTCIO_PIN_COUNT, "Chip has more RTCIOs than 22, should
static sleep_config_t s_config = {
.pd_options = {
ESP_PD_OPTION_AUTO, ESP_PD_OPTION_AUTO, ESP_PD_OPTION_AUTO, ESP_PD_OPTION_AUTO,
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
ESP_PD_OPTION_AUTO,
#endif
#if SOC_RTC_SLOW_MEM_SUPPORTED
ESP_PD_OPTION_AUTO,
#endif
#if SOC_RTC_FAST_MEM_SUPPORTED
ESP_PD_OPTION_AUTO,
#endif
ESP_PD_OPTION_AUTO,
#if SOC_PM_SUPPORT_CPU_PD
ESP_PD_OPTION_AUTO,
#endif
@ -962,6 +971,7 @@ static void ext1_wakeup_prepare(void)
rtcio_hal_input_enable(rtc_pin);
#endif
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
// Pad configuration depends on RTC_PERIPH state in sleep mode
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] != ESP_PD_OPTION_ON) {
#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
@ -973,6 +983,7 @@ static void ext1_wakeup_prepare(void)
#endif
rtcio_hal_hold_enable(rtc_pin);
}
#endif
// Keep track of pins which are processed to bail out early
rtc_gpio_mask &= ~BIT(rtc_pin);
}
@ -1196,6 +1207,7 @@ static uint32_t get_power_down_flags(void)
}
#endif
#if SOC_RTC_FAST_MEM_SUPPORTED
#if !CONFIG_ESP_SYSTEM_ALLOW_RTC_FAST_MEM_AS_HEAP
/* RTC_FAST_MEM is needed for deep sleep stub.
If RTC_FAST_MEM is Auto, keep it powered on, so that deep sleep stub can run.
@ -1207,7 +1219,9 @@ static uint32_t get_power_down_flags(void)
/* If RTC_FAST_MEM is used for heap, force RTC_FAST_MEM to be powered on. */
s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] = ESP_PD_OPTION_ON;
#endif
#endif
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
// RTC_PERIPH is needed for EXT0 wakeup and GPIO wakeup.
// If RTC_PERIPH is auto, and EXT0/GPIO aren't enabled, power down RTC_PERIPH.
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] == ESP_PD_OPTION_AUTO) {
@ -1224,6 +1238,7 @@ static uint32_t get_power_down_flags(void)
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_OFF;
}
#else
if (s_config.wakeup_triggers & RTC_GPIO_TRIG_EN) {
s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] = ESP_PD_OPTION_ON;
} else {
@ -1231,6 +1246,7 @@ static uint32_t get_power_down_flags(void)
}
#endif // SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
}
#endif // SOC_PM_SUPPORT_RTC_PERIPH_PD
#if SOC_PM_SUPPORT_CPU_PD
if (!cpu_domain_pd_allowed()) {
@ -1242,27 +1258,35 @@ static uint32_t get_power_down_flags(void)
s_config.pd_options[ESP_PD_DOMAIN_XTAL] = ESP_PD_OPTION_OFF;
#endif
const char *option_str[] = {"OFF", "ON", "AUTO(OFF)" /* Auto works as OFF */};
const __attribute__((unused)) char *option_str[] = {"OFF", "ON", "AUTO(OFF)" /* Auto works as OFF */};
/* This function is called from a critical section, log with ESP_EARLY_LOGD. */
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
ESP_EARLY_LOGD(TAG, "RTC_PERIPH: %s", option_str[s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH]]);
#endif
#if SOC_RTC_SLOW_MEM_SUPPORTED
ESP_EARLY_LOGD(TAG, "RTC_SLOW_MEM: %s", option_str[s_config.pd_options[ESP_PD_DOMAIN_RTC_SLOW_MEM]]);
#endif
#if SOC_RTC_FAST_MEM_SUPPORTED
ESP_EARLY_LOGD(TAG, "RTC_FAST_MEM: %s", option_str[s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM]]);
#endif
// Prepare flags based on the selected options
uint32_t pd_flags = 0;
#if SOC_RTC_FAST_MEM_SUPPORTED
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_FAST_MEM] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_RTC_FAST_MEM;
}
#endif
#if SOC_RTC_SLOW_MEM_SUPPORTED
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_SLOW_MEM] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_RTC_SLOW_MEM;
}
#endif
#if SOC_PM_SUPPORT_RTC_PERIPH_PD
if (s_config.pd_options[ESP_PD_DOMAIN_RTC_PERIPH] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_RTC_PERIPH;
}
#endif
#if SOC_PM_SUPPORT_CPU_PD
if (s_config.pd_options[ESP_PD_DOMAIN_CPU] != ESP_PD_OPTION_ON) {
@ -1297,7 +1321,7 @@ static uint32_t get_power_down_flags(void)
pd_flags |= RTC_SLEEP_PD_VDDSDIO;
}
#if ((defined CONFIG_RTC_CLK_SRC_EXT_CRYS) && (defined CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT))
#if ((defined CONFIG_RTC_CLK_SRC_EXT_CRYS) && (defined CONFIG_RTC_EXT_CRYST_ADDIT_CURRENT) && (SOC_PM_SUPPORT_RTC_PERIPH_PD))
if ((s_config.wakeup_triggers & (RTC_TOUCH_TRIG_EN | RTC_ULP_TRIG_EN)) == 0) {
// If enabled EXT1 only and enable the additional current by touch, should be keep RTC_PERIPH power on.
pd_flags &= ~RTC_SLEEP_PD_RTC_PERIPH;

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@ -33,7 +33,7 @@ typedef struct {
rtc_cntl_sleep_retent_t retent;
} sleep_retention_t;
static DRAM_ATTR sleep_retention_t s_retention;
static DRAM_ATTR __attribute__((unused)) sleep_retention_t s_retention;
#if SOC_PM_SUPPORT_TAGMEM_PD

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@ -70,24 +70,40 @@ static uint32_t calibrate_one(rtc_cal_sel_t cal_clk, const char* name)
TEST_CASE("RTC_SLOW_CLK sources calibration", "[rtc_clk]")
{
#if !CONFIG_IDF_TARGET_ESP32C2
rtc_clk_32k_enable(true);
#endif
rtc_clk_8m_enable(true, true);
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_8MD256);
uint32_t cal_32k = CALIBRATE_ONE(RTC_CAL_32K_XTAL);
#if CONFIG_IDF_TARGET_ESP32C2
uint32_t cal_ext_slow_clk = CALIBRATE_ONE(RTC_CAL_EXT_CLK);
if (cal_ext_slow_clk == 0) {
printf("EXT CLOCK by PIN has not started up");
} else {
printf("switching to RTC_SLOW_FREQ_EXT_CLK: ");
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_EXT_CLK);
printf("done\n");
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_8MD256);
CALIBRATE_ONE(RTC_CAL_EXT_CLK);
}
#else
uint32_t cal_32k = CALIBRATE_ONE(RTC_CAL_32K_XTAL);
if (cal_32k == 0) {
printf("32K XTAL OSC has not started up");
} else {
printf("switching to RTC_SLOW_FREQ_32K_XTAL: ");
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_32K_XTAL);
printf("done\n");
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_8MD256);
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
}
#endif
printf("switching to RTC_SLOW_FREQ_8MD256: ");
rtc_clk_slow_freq_set(RTC_SLOW_FREQ_8MD256);
@ -95,7 +111,11 @@ TEST_CASE("RTC_SLOW_CLK sources calibration", "[rtc_clk]")
CALIBRATE_ONE(RTC_CAL_RTC_MUX);
CALIBRATE_ONE(RTC_CAL_8MD256);
#if CONFIG_IDF_TARGET_ESP32C2
CALIBRATE_ONE(RTC_CAL_EXT_CLK);
#else
CALIBRATE_ONE(RTC_CAL_32K_XTAL);
#endif
}
/* The following two are not unit tests, but are added here to make it easy to

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@ -52,9 +52,8 @@
*/
typedef enum {
SLOW_CLK_RTC = RTC_SLOW_FREQ_RTC, //!< Internal 150 kHz RC oscillator
SLOW_CLK_32K_XTAL = RTC_SLOW_FREQ_32K_XTAL, //!< External 32 kHz XTAL
SLOW_CLK_8MD256 = RTC_SLOW_FREQ_8MD256, //!< Internal 8 MHz RC oscillator, divided by 256
SLOW_CLK_32K_EXT_OSC = RTC_SLOW_FREQ_32K_XTAL | EXT_OSC_FLAG //!< External 32k oscillator connected to 32K_XP pin
SLOW_CLK_32K_EXT_OSC = RTC_SLOW_FREQ_EXT_CLK | EXT_OSC_FLAG //!< External 32k oscillator connected to 32K_XP pin
} slow_clk_sel_t;
static void select_rtc_slow_clk(slow_clk_sel_t slow_clk);
@ -137,27 +136,25 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk)
/* number of times to repeat 32k XTAL calibration
* before giving up and switching to the internal RC
*/
int retry_32k_xtal = 3;
int retry_ext_clk = 3;
do {
if (rtc_slow_freq == RTC_SLOW_FREQ_32K_XTAL) {
/* 32k XTAL oscillator needs to be enabled and running before it can
* be used. Hardware doesn't have a direct way of checking if the
* oscillator is running. Here we use rtc_clk_cal function to count
* the number of main XTAL cycles in the given number of 32k XTAL
* oscillator cycles. If the 32k XTAL has not started up, calibration
if (rtc_slow_freq == RTC_SLOW_FREQ_EXT_CLK) {
/* external clock needs to be connected to PIN0 before it can
* be used. Here we use rtc_clk_cal function to count
* the number of ext clk cycles in the given number of ext clk
* cycles. If the ext clk has not started up, calibration
* will time out, returning 0.
*/
ESP_EARLY_LOGD(TAG, "waiting for 32k oscillator to start up");
ESP_EARLY_LOGD(TAG, "waiting for external clock by pin0 to start up");
// When SLOW_CLK_CAL_CYCLES is set to 0, clock calibration will not be performed at startup.
if (SLOW_CLK_CAL_CYCLES > 0) {
cal_val = rtc_clk_cal(RTC_CAL_32K_XTAL, SLOW_CLK_CAL_CYCLES);
cal_val = rtc_clk_cal(RTC_CAL_EXT_CLK, SLOW_CLK_CAL_CYCLES);
if (cal_val == 0 || cal_val < MIN_32K_XTAL_CAL_VAL) {
if (retry_32k_xtal-- > 0) {
if (retry_ext_clk-- > 0) {
continue;
}
ESP_EARLY_LOGW(TAG, "32 kHz XTAL not found, switching to internal 150 kHz oscillator");
ESP_EARLY_LOGW(TAG, "external clock connected to pin0 not found, switching to internal 150 kHz oscillator");
rtc_slow_freq = RTC_SLOW_FREQ_RTC;
}
}
@ -182,7 +179,7 @@ static void select_rtc_slow_clk(slow_clk_sel_t slow_clk)
void rtc_clk_select_rtc_slow_clk(void)
{
select_rtc_slow_clk(RTC_SLOW_FREQ_32K_XTAL);
select_rtc_slow_clk(RTC_SLOW_FREQ_EXT_CLK);
}
/* This function is not exposed as an API at this point.

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@ -635,6 +635,10 @@ config SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
bool
default y
config SOC_PM_SUPPORT_RTC_PERIPH_PD
bool
default y
config SOC_SDMMC_USE_IOMUX
bool
default y

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@ -348,6 +348,7 @@
/*-------------------------- Power Management CAPS ---------------------------*/
#define SOC_PM_SUPPORT_EXT_WAKEUP (1)
#define SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP (1) /*!<Supports waking up from touch pad trigger */
#define SOC_PM_SUPPORT_RTC_PERIPH_PD (1)
/* ---------------------------- Compatibility ------------------------------- */
#define SOC_CAN_SUPPORTED SOC_TWAI_SUPPORTED

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@ -43,14 +43,6 @@ config SOC_EFUSE_CONSISTS_OF_ONE_KEY_BLOCK
bool
default y
config SOC_RTC_FAST_MEM_SUPPORTED
bool
default n
config SOC_RTC_SLOW_MEM_SUPPORTED
bool
default n
config SOC_SHA_SUPPORTED
bool
default n
@ -526,15 +518,3 @@ config SOC_PM_SUPPORT_WIFI_WAKEUP
config SOC_PM_SUPPORT_BT_WAKEUP
bool
default y
config SOC_PM_SUPPORT_CPU_PD
bool
default y
config SOC_PM_SUPPORT_WIFI_PD
bool
default y
config SOC_PM_SUPPORT_BT_PD
bool
default y

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@ -10,11 +10,11 @@
#include "esp_bit_defs.h"
/* Analog function control register */
#define I2C_MST_ANA_CONF0_REG 0x6000E040
#define I2C_MST_ANA_CONF0_REG 0x6004E840
#define I2C_MST_BBPLL_STOP_FORCE_HIGH (BIT(2))
#define I2C_MST_BBPLL_STOP_FORCE_LOW (BIT(3))
#define ANA_CONFIG_REG 0x6000E044
#define ANA_CONFIG_REG 0x6004E844
#define ANA_CONFIG_S (8)
#define ANA_CONFIG_M (0x3FF)
@ -22,7 +22,7 @@
#define ANA_I2C_BBPLL_M BIT(17) /* Clear to enable BBPLL */
#define ANA_CONFIG2_REG 0x6000E048
#define ANA_CONFIG2_REG 0x6004E848
#define ANA_CONFIG2_M BIT(18)
#define ANA_I2C_SAR_FORCE_PU BIT(16)

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@ -51,16 +51,15 @@ extern "C" {
#define RTC_SLOW_CLK_FREQ_150K 150000
#define RTC_SLOW_CLK_FREQ_8MD256 (RTC_FAST_CLK_FREQ_APPROX / 256)
#define RTC_SLOW_CLK_FREQ_32K 32768
#define RTC_SLOW_CLK_FREQ_EXT 32768
#define OTHER_BLOCKS_POWERUP 1
#define OTHER_BLOCKS_WAIT 1
/* Approximate mapping of voltages to RTC_CNTL_DBIAS_WAK, RTC_CNTL_DBIAS_SLP,
* RTC_CNTL_DIG_DBIAS_WAK, RTC_CNTL_DIG_DBIAS_SLP values.
* Valid if RTC_CNTL_DBG_ATTEN is 0.
*/
#define RTC_CNTL_DBIAS_SLP 0 //sleep dig_dbias & rtc_dbias
#define RTC_CNTL_DBIAS_SLP 5 //sleep dig_dbias & rtc_dbias
#define RTC_CNTL_DBIAS_0V90 13 //digital voltage
#define RTC_CNTL_DBIAS_0V95 16
#define RTC_CNTL_DBIAS_1V00 18
@ -105,12 +104,15 @@ extern "C" {
/*
set sleep_init default param
*/
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT 3
#define RTC_CNTL_DBG_ATTEN_LIGHTSLEEP_DEFAULT 5
#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
#define RTC_CNTL_BIASSLP_SLEEP_ON 0
#define RTC_CNTL_BIASSLP_SLEEP_DEFAULT 1
#define RTC_CNTL_PD_CUR_MONITOR_DEFAULT 0
#define RTC_CNTL_PD_CUR_SLEEP_ON 0
#define RTC_CNTL_PD_CUR_SLEEP_DEFAULT 1
#define RTC_CNTL_DG_VDD_DRV_B_SLP_DEFAULT 254
@ -132,17 +134,6 @@ typedef enum {
RTC_XTAL_FREQ_40M = 40, //!< 40 MHz XTAL
} rtc_xtal_freq_t;
/**
* @brief CPU frequency values
*/
typedef enum {
RTC_CPU_FREQ_XTAL = 0, //!< Main XTAL frequency
RTC_CPU_FREQ_80M = 1, //!< 80 MHz
RTC_CPU_FREQ_120M = 2, //!< 120 MHz
RTC_CPU_FREQ_160M = 3, //!< 160 MHz
RTC_CPU_FREQ_XTAL_DIV2 = 4, //!< XTAL/2 after reset
} rtc_cpu_freq_t;
/**
* @brief CPU clock source
*/
@ -167,7 +158,7 @@ typedef struct rtc_cpu_freq_config_s {
*/
typedef enum {
RTC_SLOW_FREQ_RTC = 0, //!< Internal 150 kHz RC oscillator
RTC_SLOW_FREQ_32K_XTAL = 1, //!< External 32 kHz XTAL
RTC_SLOW_FREQ_EXT_CLK = 1, //!< External clock input by pin0 with frequency no more than 150k
RTC_SLOW_FREQ_8MD256 = 2, //!< Internal 8 MHz RC oscillator, divided by 256
} rtc_slow_freq_t;
@ -193,7 +184,7 @@ typedef enum {
typedef enum {
RTC_CAL_RTC_MUX = 0, //!< Currently selected RTC SLOW_CLK
RTC_CAL_8MD256 = 1, //!< Internal 8 MHz RC oscillator, divided by 256
RTC_CAL_32K_XTAL = 2 //!< External 32 kHz XTAL
RTC_CAL_EXT_CLK = 2 //!< External CLK
} rtc_cal_sel_t;
/**
@ -224,20 +215,6 @@ typedef struct {
.clk_8m_dfreq = RTC_CNTL_CK8M_DFREQ_DEFAULT, \
}
typedef struct {
uint32_t dac : 6;
uint32_t dres : 3;
uint32_t dgm : 3;
uint32_t dbuf: 1;
} x32k_config_t;
#define X32K_CONFIG_DEFAULT() { \
.dac = 3, \
.dres = 3, \
.dgm = 3, \
.dbuf = 1, \
}
typedef struct {
uint16_t wifi_powerup_cycles : 7;
uint16_t wifi_wait_cycles : 9;
@ -295,29 +272,6 @@ rtc_xtal_freq_t rtc_clk_xtal_freq_get(void);
*/
void rtc_clk_xtal_freq_update(rtc_xtal_freq_t xtal_freq);
/**
* @brief Configure 32 kHz XTAL oscillator to accept external clock signal
*/
void rtc_clk_32k_enable_external(void);
/**
* @brief Get the state of 32k XTAL oscillator
* @return true if 32k XTAL oscillator has been enabled
*/
bool rtc_clk_32k_enabled(void);
/**
* @brief Enable 32k oscillator, configuring it for fast startup time.
* Note: to achieve higher frequency stability, rtc_clk_32k_enable function
* must be called one the 32k XTAL oscillator has started up. This function
* will initially disable the 32k XTAL oscillator, so it should not be called
* when the system is using 32k XTAL as RTC_SLOW_CLK.
*
* @param cycle Number of 32kHz cycles to bootstrap external crystal.
* If 0, no square wave will be used to bootstrap crystal oscillation.
*/
void rtc_clk_32k_bootstrap(uint32_t cycle);
/**
* @brief Enable or disable 8 MHz internal oscillator
*
@ -593,15 +547,7 @@ void rtc_sleep_pu(rtc_sleep_pu_config_t cfg);
*/
typedef struct {
uint32_t lslp_mem_inf_fpu : 1; //!< force normal voltage in sleep mode (digital domain memory)
uint32_t rtc_mem_inf_follow_cpu : 1;//!< keep low voltage in sleep mode (even if ULP/touch is used)
uint32_t rtc_fastmem_pd_en : 1; //!< power down RTC fast memory
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 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
uint32_t dig_dbias_wak : 5; //!< set bias for digital domain, in active mode
@ -624,16 +570,8 @@ typedef struct {
*/
#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, \
.rtc_fastmem_pd_en = ((sleep_flags) & RTC_SLEEP_PD_RTC_FAST_MEM) ? 1 : 0, \
.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, \
.bt_pd_en = ((sleep_flags) & RTC_SLEEP_PD_BT) ? 1 : 0, \
.cpu_pd_en = ((sleep_flags) & RTC_SLEEP_PD_CPU) ? 1 : 0, \
.lslp_mem_inf_fpu = 1, \
.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, \
.dig_dbias_wak = RTC_CNTL_DBIAS_1V10, \
@ -650,15 +588,7 @@ typedef struct {
.light_slp_reject = 1 \
};
#define RTC_SLEEP_PD_DIG BIT(0) //!< Deep sleep (power down digital domain)
#define RTC_SLEEP_PD_RTC_PERIPH BIT(1) //!< Power down RTC peripherals
#define RTC_SLEEP_PD_RTC_SLOW_MEM BIT(2) //!< Power down RTC SLOW memory
#define RTC_SLEEP_PD_RTC_FAST_MEM BIT(3) //!< Power down RTC FAST memory
#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) //!< Power down WIFI
#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
#define RTC_SLEEP_PD_XTAL BIT(11) //!< Power down main XTAL

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@ -35,8 +35,6 @@
#define SOC_SUPPORTS_SECURE_DL_MODE 1
#define SOC_EFUSE_KEY_PURPOSE_FIELD 0
#define SOC_EFUSE_CONSISTS_OF_ONE_KEY_BLOCK 1
#define SOC_RTC_FAST_MEM_SUPPORTED 0
#define SOC_RTC_SLOW_MEM_SUPPORTED 0
#define SOC_SHA_SUPPORTED 0 // This will be enabled with IDF-3830
#define SOC_ECC_SUPPORTED 1
@ -267,9 +265,3 @@
#define SOC_PM_SUPPORT_WIFI_WAKEUP (1)
#define SOC_PM_SUPPORT_BT_WAKEUP (1)
#define SOC_PM_SUPPORT_CPU_PD (1)
#define SOC_PM_SUPPORT_WIFI_PD (1)
#define SOC_PM_SUPPORT_BT_PD (1)

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@ -63,10 +63,6 @@ config SOC_RTC_FAST_MEM_SUPPORTED
bool
default y
config SOC_RTC_SLOW_MEM_SUPPORTED
bool
default n
config SOC_I2S_SUPPORTED
bool
default y

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@ -40,7 +40,6 @@
#define SOC_SUPPORTS_SECURE_DL_MODE 1
#define SOC_EFUSE_KEY_PURPOSE_FIELD 1
#define SOC_RTC_FAST_MEM_SUPPORTED 1
#define SOC_RTC_SLOW_MEM_SUPPORTED 0
#define SOC_I2S_SUPPORTED 1
#define SOC_RMT_SUPPORTED 1
#define SOC_SIGMADELTA_SUPPORTED 1

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@ -59,10 +59,6 @@ config SOC_RTC_FAST_MEM_SUPPORTED
bool
default y
config SOC_RTC_SLOW_MEM_SUPPORTED
bool
default n
config SOC_I2S_SUPPORTED
bool
default y

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@ -47,7 +47,6 @@
#define SOC_EFUSE_KEY_PURPOSE_FIELD 1
#define SOC_TEMP_SENSOR_SUPPORTED 1
#define SOC_RTC_FAST_MEM_SUPPORTED 1
#define SOC_RTC_SLOW_MEM_SUPPORTED 0
#define SOC_I2S_SUPPORTED 1
#define SOC_RMT_SUPPORTED 1
#define SOC_SIGMADELTA_SUPPORTED 1

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@ -815,6 +815,10 @@ config SOC_PM_SUPPORT_WIFI_PD
bool
default y
config SOC_PM_SUPPORT_RTC_PERIPH_PD
bool
default y
config SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
bool
default y

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@ -378,6 +378,8 @@
#define SOC_PM_SUPPORT_WIFI_PD (1)
#define SOC_PM_SUPPORT_RTC_PERIPH_PD (1)
#define SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP (1) /*!<Supports waking up from touch pad trigger */
/*-------------------------- COEXISTENCE HARDWARE PTI CAPS -------------------------------*/

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@ -859,6 +859,10 @@ config SOC_PM_SUPPORT_TAGMEM_PD
bool
default y
config SOC_PM_SUPPORT_RTC_PERIPH_PD
bool
default y
config SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP
bool
default y

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@ -367,6 +367,8 @@
#define SOC_PM_SUPPORT_TAGMEM_PD (1)
#define SOC_PM_SUPPORT_RTC_PERIPH_PD (1)
#define SOC_PM_SUPPORT_TOUCH_SENSOR_WAKEUP (1) /*!<Supports waking up from touch pad trigger */
#define SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY (1)