feat(esp_hw_support): use pvt to auto control digital ldo and rtc ldo for esp32c61

components/soc/esp32c61/include/soc/Kconfig.soc_caps.in

@@ -119,6 +119,10 @@ config SOC_PMU_SUPPORTED
     bool
     default y
 
+config SOC_PMU_PVT_SUPPORTED
+    bool
+    default y
+
 config SOC_RTC_TIMER_V2_SUPPORTED
     bool
     default y

components/soc/esp32c61/include/soc/soc_caps.h

@@ -54,6 +54,7 @@
 #define SOC_BOD_SUPPORTED               1
 #define SOC_APM_SUPPORTED               1 /*!< Support for APM peripheral */
 #define SOC_PMU_SUPPORTED               1
+#define SOC_PMU_PVT_SUPPORTED           1
 #define SOC_RTC_TIMER_V2_SUPPORTED      1
 #define SOC_LP_AON_SUPPORTED            1
 #define SOC_CLK_TREE_SUPPORTED          1

components/soc/esp32c61/include/soc/system_periph_retention.h

@@ -1,5 +1,5 @@
 /*
- * SPDX-FileCopyrightText: 2023-2025 Espressif Systems (Shanghai) CO LTD
+ * SPDX-FileCopyrightText: 2023-2026 Espressif Systems (Shanghai) CO LTD
  *
  * SPDX-License-Identifier: Apache-2.0 OR MIT
  */
@@ -77,6 +77,16 @@ extern const regdma_entries_config_t flash_spimem_regs_retention[SPIMEM_RETENTIO
 #define SYSTIMER_RETENTION_LINK_LEN   19
 extern const regdma_entries_config_t systimer_regs_retention[SYSTIMER_RETENTION_LINK_LEN];
 
+/**
+ * @brief Provide access to pvt configuration registers retention
+ * context definition.
+ *
+ * This is an internal function of the sleep retention driver, and is not
+ * useful for external use.
+ */
+#define PVT_RETENTION_LINK_LEN   1
+extern const regdma_entries_config_t pvt_regs_retention[PVT_RETENTION_LINK_LEN];
+
 #ifdef __cplusplus
 }
 #endif