feat(esp_hw_support): add backup clk icg support

components/soc/esp32h21/include/soc/Kconfig.soc_caps.in

@@ -1039,6 +1039,10 @@ config SOC_PM_SUPPORT_PMU_CLK_ICG
     bool
     default y
 
+config SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG
+    bool
+    default y
+
 config SOC_PM_FLASH_KEEP_POWER_IN_LSLP
     bool
     default y

components/soc/esp32h21/include/soc/soc_caps.h

@@ -456,6 +456,7 @@
 #define SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY   (1) /*!<Supports CRC only the stub code in RTC memory */
 
 #define SOC_PM_SUPPORT_PMU_CLK_ICG          (1)
+#define SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG   (1)
 
 #define SOC_PM_FLASH_KEEP_POWER_IN_LSLP     (1)  /*!<Keep flash on in light sleep to reduce wake latency*/
 

components/soc/esp32h4/include/soc/Kconfig.soc_caps.in

@@ -1167,6 +1167,10 @@ config SOC_PM_SUPPORT_PMU_CLK_ICG
     bool
     default y
 
+config SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG
+    bool
+    default y
+
 config SOC_PM_SUPPORT_MODEM_CLOCK_DOMAIN_ICG
     bool
     default y

components/soc/esp32h4/include/soc/soc_caps.h

@@ -493,6 +493,7 @@
 // #define MAC_SUPPORT_PMU_MODEM_STATE     SOC_PM_SUPPORT_PMU_MODEM_STATE
 
 #define SOC_PM_SUPPORT_PMU_CLK_ICG          (1)
+#define SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG   (1)
 #define SOC_PM_SUPPORT_MODEM_CLOCK_DOMAIN_ICG      (1)
 
 #define SOC_PM_CPU_RETENTION_BY_SW          (1)

components/soc/esp32s31/include/soc/Kconfig.soc_caps.in

@@ -1507,6 +1507,10 @@ config SOC_PM_SUPPORT_PMU_CLK_ICG
     bool
     default y
 
+config SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG
+    bool
+    default y
+
 config SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY
     bool
     default y

components/soc/esp32s31/include/soc/soc_caps.h

@@ -558,6 +558,7 @@
 #define SOC_PM_SUPPORT_MODEM_CLOCK_DOMAIN_ICG      (1)
 
 #define SOC_PM_SUPPORT_PMU_CLK_ICG                 (1)
+#define SOC_PM_SUPPORT_PMU_RETENTION_CLK_ICG          (1)
 
 #define SOC_PM_SUPPORT_DEEPSLEEP_CHECK_STUB_ONLY   (1) /*!<Supports CRC only the stub code in RTC memory */