fix(pvt): fix pvt retention bug,replace pvt_retention with pvt_init

components/esp_hw_support/Kconfig

@@ -309,6 +309,7 @@ menu "Hardware Settings"
     config ESP_ENABLE_PVT
         bool "Auto adjust hp & lp voltage using pvt function (MUST ENABLE FOR MP)"
         depends on SOC_PMU_PVT_SUPPORTED
+        default n if IDF_TARGET_ESP32C6
         default y
         help
             If enabled, hp & lp voltage can be auto adjust by PVT characteristic.

components/esp_hw_support/linker.lf

@@ -47,7 +47,7 @@ entries:
         elif PM_SLP_IRAM_OPT = y && IDF_TARGET_ESP32P4 != y:
             pmu_param:get_act_hp_dbias (noflash)
             pmu_param:get_act_lp_dbias (noflash)
-    if SOC_PMU_PVT_SUPPORTED = y:
+    if SOC_PMU_PVT_SUPPORTED = y && ESP_ENABLE_PVT = y:
         pmu_pvt (noflash)
     if PM_SLP_IRAM_OPT = y && SOC_USB_SERIAL_JTAG_SUPPORTED = y:
         sleep_console (noflash)

components/esp_hw_support/port/esp32c6/pmu_pvt.c

@@ -83,7 +83,7 @@ void pvt_auto_dbias_init(void)
         SET_PERI_REG_MASK(PCR_PVT_MONITOR_FUNC_CLK_CONF_REG, PCR_PVT_MONITOR_FUNC_CLK_EN);
         /*config for dbias func*/
         CLEAR_PERI_REG_MASK(PVT_DBIAS_TIMER_REG, PVT_TIMER_EN);
-        esp_rom_delay_us(100);
+        esp_rom_delay_us(1);
         SET_PERI_REG_BITS(PVT_DBIAS_CHANNEL_SEL0_REG, PVT_DBIAS_CHANNEL0_SEL, PVT_CHANNEL0_SEL, PVT_DBIAS_CHANNEL0_SEL_S);
         SET_PERI_REG_BITS(PVT_DBIAS_CHANNEL_SEL0_REG, PVT_DBIAS_CHANNEL1_SEL, PVT_CHANNEL1_SEL, PVT_DBIAS_CHANNEL1_SEL_S);  // Select monitor cell ,which  used to monitor PVT situation
         SET_PERI_REG_BITS(PVT_DBIAS_CHANNEL0_SEL_REG, PVT_DBIAS_CHANNEL0_CFG, PVT_CHANNEL0_CFG, PVT_DBIAS_CHANNEL0_CFG_S);
@@ -130,7 +130,6 @@ void IRAM_ATTR pvt_func_enable(bool enable)
             SET_PERI_REG_BITS(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_HP_ACTIVE_HP_REGULATOR_DBIAS, pvt_hp_dbias, PMU_HP_ACTIVE_HP_REGULATOR_DBIAS_S);
             SET_PERI_REG_BITS(PMU_HP_SLEEP_LP_REGULATOR0_REG, PMU_HP_SLEEP_LP_REGULATOR_DBIAS, pvt_lp_dbias, PMU_HP_SLEEP_LP_REGULATOR_DBIAS_S);
             CLEAR_PERI_REG_MASK(PVT_DBIAS_TIMER_REG, PVT_TIMER_EN); //disable auto dbias
-            CLEAR_PERI_REG_MASK(PVT_CLK_CFG_REG, PVT_MONITOR_CLK_PVT_EN);
             SET_PERI_REG_MASK(PMU_HP_ACTIVE_HP_REGULATOR0_REG, PMU_DIG_REGULATOR0_DBIAS_SEL);   // hand over control of dbias to pmu
             CLEAR_PERI_REG_MASK(PCR_PVT_MONITOR_CONF_REG, PCR_PVT_MONITOR_CLK_EN);
             CLEAR_PERI_REG_MASK(PCR_PVT_MONITOR_FUNC_CLK_CONF_REG, PCR_PVT_MONITOR_FUNC_CLK_EN);

components/esp_hw_support/port/esp32c6/rtc_clk.c

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2022-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2022-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0
  */
@@ -215,6 +215,8 @@ static void rtc_clk_cpu_freq_to_rc_fast(void)
 static void rtc_clk_cpu_freq_to_pll_mhz(int cpu_freq_mhz)
 {
 #if CONFIG_ESP_ENABLE_PVT && !defined(BOOTLOADER_BUILD)
+    pvt_auto_dbias_init();
+    charge_pump_init();
     pvt_func_enable(true);
     charge_pump_enable(true);
 #endif
@@ -353,10 +355,6 @@ void rtc_clk_cpu_freq_set_config_fast(const rtc_cpu_freq_config_t *config)
 void rtc_clk_cpu_freq_set_xtal(void)
 {
     rtc_clk_cpu_set_to_default_config();
-#if CONFIG_ESP_ENABLE_PVT && !defined(BOOTLOADER_BUILD)
-    charge_pump_enable(false);
-    pvt_func_enable(false);
-#endif
     rtc_clk_bbpll_disable();
 }
 

components/esp_hw_support/sleep_modes.c

@@ -793,7 +793,7 @@ static SLEEP_FN_ATTR void misc_modules_sleep_prepare(uint32_t sleep_flags, bool
         regi2c_tsens_reg_read();
 #endif
     }
-#if CONFIG_ESP_ENABLE_PVT
+#if CONFIG_ESP_ENABLE_PVT && SOC_PVT_EN_WITH_SLEEP
     pvt_func_enable(false);
 #endif
 
@@ -810,7 +810,7 @@ static SLEEP_FN_ATTR void misc_modules_sleep_prepare(uint32_t sleep_flags, bool
  */
 static SLEEP_FN_ATTR void misc_modules_wake_prepare(uint32_t sleep_flags)
 {
-#if CONFIG_ESP_ENABLE_PVT
+#if CONFIG_ESP_ENABLE_PVT && SOC_PVT_EN_WITH_SLEEP
     pvt_func_enable(true);
 #endif
 

components/esp_hw_support/sleep_system_peripheral.c

@@ -168,7 +168,7 @@ static __attribute__((unused)) esp_err_t sleep_sys_periph_retention_init(void *a
     err = sleep_pau_retention_init();
     if(err) goto error;
 #endif
-#if CONFIG_ESP_ENABLE_PVT
+#if CONFIG_ESP_ENABLE_PVT && SOC_PVT_RETENTION_BY_REGDMA
     err = sleep_pvt_retention_init();
     if(err) goto error;
 #endif