diff --git a/components/bt/controller/esp32h2/bt.c b/components/bt/controller/esp32h2/bt.c
index d29822f90c..1336dd222c 100644
--- a/components/bt/controller/esp32h2/bt.c
+++ b/components/bt/controller/esp32h2/bt.c
@@ -40,12 +40,9 @@
 #include "hci_uart.h"
 #include "bt_osi_mem.h"
 
-#if SOC_PM_RETENTION_HAS_CLOCK_BUG
-#include "esp_private/sleep_retention.h"
-#endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
-
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
 #include "esp_private/sleep_modem.h"
+#include "esp_private/sleep_retention.h"
 #endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
 
 #ifdef CONFIG_BT_BLUEDROID_ENABLED
@@ -447,6 +444,7 @@ void esp_bt_rtc_slow_clk_select(uint8_t slow_clk_src)
         case MODEM_CLOCK_LPCLK_SRC_MAIN_XTAL:
             ESP_LOGI(NIMBLE_PORT_LOG_TAG, "Using main XTAL as clock source");
             modem_clock_select_lp_clock_source(PERIPH_BT_MODULE, slow_clk_src, (320 - 1));
+            break;
         case MODEM_CLOCK_LPCLK_SRC_RC_SLOW:
             ESP_LOGI(NIMBLE_PORT_LOG_TAG, "Using 136 kHz RC as clock source, can only run legacy ADV or SCAN due to low clock accuracy!");
             modem_clock_select_lp_clock_source(PERIPH_BT_MODULE, slow_clk_src, (5 - 1));
@@ -474,9 +472,6 @@ IRAM_ATTR void controller_sleep_cb(uint32_t enable_tick, void *arg)
     }
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
     r_ble_rtc_wake_up_state_clr();
-#if SOC_PM_RETENTION_HAS_CLOCK_BUG
-    sleep_retention_do_extra_retention(true);
-#endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
 #endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE */
     esp_phy_disable();
 #ifdef CONFIG_PM_ENABLE
@@ -493,9 +488,6 @@ IRAM_ATTR void controller_wakeup_cb(void *arg)
 #ifdef CONFIG_PM_ENABLE
     esp_pm_lock_acquire(s_pm_lock);
     r_ble_rtc_wake_up_state_clr();
-#if CONFIG_FREERTOS_USE_TICKLESS_IDLE && SOC_PM_RETENTION_HAS_CLOCK_BUG
-    sleep_retention_do_extra_retention(false);
-#endif /* CONFIG_FREERTOS_USE_TICKLESS_IDLE && SOC_PM_RETENTION_HAS_CLOCK_BUG */
 #endif //CONFIG_PM_ENABLE
     esp_phy_enable();
     s_ble_active = true;
@@ -546,7 +538,7 @@ esp_err_t controller_sleep_init(void)
     }
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
     /* Create a new regdma link for BLE related register restoration */
-    rc = sleep_modem_ble_mac_modem_state_init(1);
+    rc = sleep_modem_ble_mac_modem_state_init(0);
     assert(rc == 0);
     esp_sleep_enable_bt_wakeup();
     ESP_LOGW(NIMBLE_PORT_LOG_TAG, "Enable light sleep, the wake up source is BLE timer");
@@ -924,11 +916,6 @@ esp_err_t esp_bt_controller_disable(void)
         esp_pm_lock_release(s_pm_lock);
 #endif  // CONFIG_PM_ENABLE
         s_ble_active = false;
-    } else {
-#if CONFIG_FREERTOS_USE_TICKLESS_IDLE
-        /* Avoid consecutive backup of register cause assertion */
-        sleep_retention_module_deinit();
-#endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
     }
     ble_controller_status = ESP_BT_CONTROLLER_STATUS_INITED;
     return ESP_OK;
diff --git a/components/ieee802154/driver/esp_ieee802154_dev.c b/components/ieee802154/driver/esp_ieee802154_dev.c
index 5d93f18953..7760c049ff 100644
--- a/components/ieee802154/driver/esp_ieee802154_dev.c
+++ b/components/ieee802154/driver/esp_ieee802154_dev.c
@@ -30,6 +30,12 @@
 #include "esp_pm.h"
 #include "esp_private/esp_clk.h"
 #include "esp_private/sleep_retention.h"
+static bool s_rf_closed = false;
+#if SOC_PM_RETENTION_HAS_CLOCK_BUG
+#define IEEE802154_LINK_OWNER  ENTRY(3)
+#else
+#define IEEE802154_LINK_OWNER  ENTRY(0) | ENTRY(2)
+#endif // SOC_PM_RETENTION_HAS_CLOCK_BUG
 #endif
 
 #define CCA_DETECTION_TIME 8
@@ -46,6 +52,7 @@ static uint8_t s_recent_rx_frame_info_index;
 static portMUX_TYPE s_ieee802154_spinlock = portMUX_INITIALIZER_UNLOCKED;
 
 static esp_err_t ieee802154_sleep_init(void);
+static void ieee802154_rf_enable(void);
 
 static IRAM_ATTR void event_end_process(void)
 {
@@ -673,6 +680,7 @@ IEEE802154_STATIC void tx_init(const uint8_t *frame)
 
 esp_err_t ieee802154_transmit(const uint8_t *frame, bool cca)
 {
+    ieee802154_rf_enable();
     ieee802154_enter_critical();
     tx_init(frame);
 
@@ -700,6 +708,7 @@ esp_err_t ieee802154_transmit_at(const uint8_t *frame, bool cca, uint32_t time)
 {
     uint32_t tx_target_time;
     uint32_t current_time;
+    ieee802154_rf_enable();
     tx_init(frame);
     IEEE802154_SET_TXRX_PTI(IEEE802154_SCENE_TX_AT);
     if (cca) {
@@ -741,6 +750,7 @@ esp_err_t ieee802154_receive(void)
         // already in rx state, don't abort current rx operation
         return ESP_OK;
     }
+    ieee802154_rf_enable();
 
     ieee802154_enter_critical();
     rx_init();
@@ -753,7 +763,7 @@ esp_err_t ieee802154_receive_at(uint32_t time)
 {
     uint32_t rx_target_time = time - IEEE802154_RX_RAMPUP_TIME_US;
     uint32_t current_time;
-
+    ieee802154_rf_enable();
     rx_init();
     IEEE802154_SET_TXRX_PTI(IEEE802154_SCENE_RX_AT);
     set_next_rx_buffer();
@@ -773,7 +783,7 @@ static esp_err_t ieee802154_sleep_init(void)
 #if SOC_PM_MODEM_RETENTION_BY_REGDMA && CONFIG_FREERTOS_USE_TICKLESS_IDLE
     #define N_REGS_IEEE802154() (((IEEE802154_MAC_DATE_REG - IEEE802154_REG_BASE) / 4) + 1)
     const static sleep_retention_entries_config_t ieee802154_mac_regs_retention[] = {
-        [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_IEEE802154_LINK(0x00), IEEE802154_REG_BASE, IEEE802154_REG_BASE, N_REGS_IEEE802154(), 0, 0), .owner = ENTRY(3) },
+        [0] = { .config = REGDMA_LINK_CONTINUOUS_INIT(REGDMA_MODEM_IEEE802154_LINK(0x00), IEEE802154_REG_BASE, IEEE802154_REG_BASE, N_REGS_IEEE802154(), 0, 0), .owner = IEEE802154_LINK_OWNER },
     };
     err = sleep_retention_entries_create(ieee802154_mac_regs_retention, ARRAY_SIZE(ieee802154_mac_regs_retention), REGDMA_LINK_PRI_7, SLEEP_RETENTION_MODULE_802154_MAC);
     ESP_RETURN_ON_ERROR(err, IEEE802154_TAG, "failed to allocate memory for ieee802154 mac retention");
@@ -782,41 +792,41 @@ static esp_err_t ieee802154_sleep_init(void)
     return err;
 }
 
-IRAM_ATTR void ieee802154_enter_sleep(void)
+IRAM_ATTR static void ieee802154_rf_disable(void)
 {
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
-    esp_phy_disable();
-#if SOC_PM_RETENTION_HAS_CLOCK_BUG
-    sleep_retention_do_extra_retention(true);// backup
-#endif
-    ieee802154_disable(); // IEEE802154 CLOCK Disable
+    if (s_rf_closed == false) {
+        esp_phy_disable();
+        s_rf_closed = true;
+    }
 #endif // CONFIG_FREERTOS_USE_TICKLESS_IDLE
 }
 
-IRAM_ATTR void ieee802154_wakeup(void)
+IRAM_ATTR static void ieee802154_rf_enable(void)
 {
 #if CONFIG_FREERTOS_USE_TICKLESS_IDLE
-    ieee802154_enable(); // IEEE802154 CLOCK Enable
-#if SOC_PM_RETENTION_HAS_CLOCK_BUG
-    sleep_retention_do_extra_retention(false);// restore
-#endif
-    esp_phy_enable();
+    if (s_rf_closed) {
+        esp_phy_enable();
+        s_rf_closed = false;
+    }
 #endif //CONFIG_FREERTOS_USE_TICKLESS_IDLE
 }
 
 esp_err_t ieee802154_sleep(void)
 {
-    ieee802154_enter_critical();
-
-    stop_current_operation();
-    ieee802154_set_state(IEEE802154_STATE_SLEEP);
-
-    ieee802154_exit_critical();
+    if (ieee802154_get_state() != IEEE802154_STATE_SLEEP) {
+        ieee802154_enter_critical();
+        stop_current_operation();
+        ieee802154_set_state(IEEE802154_STATE_SLEEP);
+        ieee802154_exit_critical();
+        ieee802154_rf_disable(); // colse rf
+    }
     return ESP_OK;
 }
 
 esp_err_t ieee802154_energy_detect(uint32_t duration)
 {
+    ieee802154_rf_enable();
     ieee802154_enter_critical();
 
     stop_current_operation();
@@ -832,6 +842,7 @@ esp_err_t ieee802154_energy_detect(uint32_t duration)
 
 esp_err_t ieee802154_cca(void)
 {
+    ieee802154_rf_enable();
     ieee802154_enter_critical();
 
     stop_current_operation();
diff --git a/components/ieee802154/esp_ieee802154.c b/components/ieee802154/esp_ieee802154.c
index 909faff774..64aef9ecea 100644
--- a/components/ieee802154/esp_ieee802154.c
+++ b/components/ieee802154/esp_ieee802154.c
@@ -334,16 +334,6 @@ uint8_t esp_ieee802154_get_recent_lqi(void)
     return ieee802154_get_recent_lqi();
 }
 
-void esp_ieee802154_enter_sleep(void)
-{
-    ieee802154_enter_sleep();
-}
-
-void esp_ieee802154_wakeup(void)
-{
-    ieee802154_wakeup();
-}
-
 __attribute__((weak)) void esp_ieee802154_receive_done(uint8_t *data, esp_ieee802154_frame_info_t *frame_info)
 {
 
diff --git a/components/ieee802154/include/esp_ieee802154.h b/components/ieee802154/include/esp_ieee802154.h
index 22d3acb52d..96de1a0775 100644
--- a/components/ieee802154/include/esp_ieee802154.h
+++ b/components/ieee802154/include/esp_ieee802154.h
@@ -111,16 +111,6 @@ esp_ieee802154_state_t esp_ieee802154_get_state(void);
  */
 esp_err_t esp_ieee802154_sleep(void);
 
-/**
- * @brief  The IEEE 802.15.4 enter sleep.
- */
-void esp_ieee802154_enter_sleep(void);
-
-/**
- * @brief  The IEEE 802.15.4 wakeup.
- */
-void esp_ieee802154_wakeup(void);
-
 /**
  * @brief  Set the IEEE 802.15.4 Radio to receive state.
  *
diff --git a/components/ieee802154/private_include/esp_ieee802154_dev.h b/components/ieee802154/private_include/esp_ieee802154_dev.h
index bf80282369..7fc5756134 100644
--- a/components/ieee802154/private_include/esp_ieee802154_dev.h
+++ b/components/ieee802154/private_include/esp_ieee802154_dev.h
@@ -178,18 +178,6 @@ uint8_t ieee802154_get_recent_lqi(void);
  */
 ieee802154_state_t ieee802154_get_state(void);
 
-/**
- * @brief  The IEEE 802.15.4 enter sleep.
- *
- */
-void ieee802154_enter_sleep(void);
-
-/**
- * @brief  The IEEE 802.15.4 wakeup.
- *
- */
-void ieee802154_wakeup(void);
-
 /** The following three functions are only used for internal test. **/
 /**
  * @brief  The clear channel assessment done.
diff --git a/components/openthread/src/port/esp_openthread_sleep.c b/components/openthread/src/port/esp_openthread_sleep.c
index fa6fdb3fcd..0077253eab 100644
--- a/components/openthread/src/port/esp_openthread_sleep.c
+++ b/components/openthread/src/port/esp_openthread_sleep.c
@@ -34,8 +34,7 @@ esp_err_t esp_openthread_sleep_init(void)
 
 void esp_openthread_sleep_process(void)
 {
-    if (esp_ieee802154_get_state() == ESP_IEEE802154_RADIO_SLEEP) {
-        esp_ieee802154_enter_sleep();
+    if (s_ot_sleep == false && esp_ieee802154_get_state() == ESP_IEEE802154_RADIO_SLEEP) {
         esp_pm_lock_release(s_pm_lock);
         s_ot_sleep = true;
     }
@@ -45,7 +44,6 @@ void esp_openthread_wakeup_process(void)
 {
     if (s_ot_sleep) {
         esp_pm_lock_acquire(s_pm_lock);
-        esp_ieee802154_wakeup();
         s_ot_sleep = false;
     }
 }
diff --git a/components/soc/esp32h2/include/soc/Kconfig.soc_caps.in b/components/soc/esp32h2/include/soc/Kconfig.soc_caps.in
index 30172b1d81..cc4654abc6 100644
--- a/components/soc/esp32h2/include/soc/Kconfig.soc_caps.in
+++ b/components/soc/esp32h2/include/soc/Kconfig.soc_caps.in
@@ -1139,10 +1139,6 @@ config SOC_PM_RETENTION_HAS_REGDMA_POWER_BUG
     bool
     default y
 
-config SOC_PM_RETENTION_HAS_CLOCK_BUG
-    bool
-    default y
-
 config SOC_CLK_RC_FAST_SUPPORT_CALIBRATION
     bool
     default y
diff --git a/components/soc/esp32h2/include/soc/soc_caps.h b/components/soc/esp32h2/include/soc/soc_caps.h
index 145307d514..2b3b27ac2c 100644
--- a/components/soc/esp32h2/include/soc/soc_caps.h
+++ b/components/soc/esp32h2/include/soc/soc_caps.h
@@ -472,7 +472,6 @@
 #define SOC_PM_MODEM_RETENTION_BY_REGDMA           (1)
 #define SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY   (1) /*!<Supports CRC only the stub code in RTC memory */
 #define SOC_PM_RETENTION_HAS_REGDMA_POWER_BUG      (1)
-#define SOC_PM_RETENTION_HAS_CLOCK_BUG      (1)
 
 /*-------------------------- CLOCK SUBSYSTEM CAPS ----------------------------------------*/
 #define SOC_CLK_RC_FAST_SUPPORT_CALIBRATION       (1)
diff --git a/examples/openthread/.build-test-rules.yml b/examples/openthread/.build-test-rules.yml
index b89dcdfffe..ee09861d07 100644
--- a/examples/openthread/.build-test-rules.yml
+++ b/examples/openthread/.build-test-rules.yml
@@ -26,10 +26,11 @@ examples/openthread/ot_rcp:
       temporary: true
       reason: only test on esp32c6
 
+# To add support for the ESP32-C6 in TZ-302
 examples/openthread/ot_sleepy_device:
   enable:
-    - if: IDF_TARGET in ["esp32h2", "esp32c6"]
+    - if: IDF_TARGET in ["esp32h2"]
   disable_test:
-    - if: IDF_TARGET in ["esp32h2", "esp32c6"]
+    - if: IDF_TARGET in ["esp32h2"]
       temporary: true
       reason: No support # TO-DO: TZ-134
diff --git a/examples/openthread/ot_sleepy_device/README.md b/examples/openthread/ot_sleepy_device/README.md
index a41def3d99..5c832db28d 100644
--- a/examples/openthread/ot_sleepy_device/README.md
+++ b/examples/openthread/ot_sleepy_device/README.md
@@ -1,5 +1,5 @@
-| Supported Targets | ESP32-C6 | ESP32-H2 |
-| ----------------- | -------- | -------- |
+| Supported Targets | ESP32-H2 |
+| ----------------- | -------- |
 
 # OpenThread Sleepy Device Example
 
diff --git a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
index d5b9383c06..73bd029b27 100644
--- a/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
+++ b/examples/openthread/ot_sleepy_device/main/esp_ot_sleepy_device_config.h
@@ -25,6 +25,7 @@
     }
 #endif
 
+// When JIRA PM-3 is fixed, the UART clock will automatically switch.
 #define ESP_OPENTHREAD_DEFAULT_HOST_CONFIG()                    \
     {                                                           \
         .host_connection_mode = HOST_CONNECTION_MODE_CLI_UART,  \
@@ -38,7 +39,7 @@
                     .stop_bits = UART_STOP_BITS_1,              \
                     .flow_ctrl = UART_HW_FLOWCTRL_DISABLE,      \
                     .rx_flow_ctrl_thresh = 0,                   \
-                    .source_clk = UART_SCLK_DEFAULT,            \
+                    .source_clk = UART_SCLK_XTAL,               \
                 },                                              \
             .rx_pin = UART_PIN_NO_CHANGE,                       \
             .tx_pin = UART_PIN_NO_CHANGE,                       \