diff --git a/components/esp_hw_support/Kconfig b/components/esp_hw_support/Kconfig
index d10007399d..241415ecc0 100644
--- a/components/esp_hw_support/Kconfig
+++ b/components/esp_hw_support/Kconfig
@@ -219,6 +219,12 @@ menu "Hardware Settings"
 
     menu "RTC Clock Config"
         orsource "./port/$IDF_TARGET/Kconfig.rtc"
+
+        config RTC_CLK_FUNC_IN_IRAM
+            bool "Place RTC clock module functions into IRAM"
+            default y
+            help
+                Place RTC clock module (all rtc clock functions and const data) into IRAM.
     endmenu
 
     menu "Peripheral Control"
diff --git a/components/esp_hw_support/linker.lf b/components/esp_hw_support/linker.lf
index 48fb35f098..f19df19e5d 100644
--- a/components/esp_hw_support/linker.lf
+++ b/components/esp_hw_support/linker.lf
@@ -14,9 +14,10 @@ entries:
     esp_memory_utils (noflash)
     clk_utils (noflash)
     if PM_SLP_IRAM_OPT = y:
-        rtc_clk (noflash)
         rtc_time (noflash_text)
         esp_clk_tree: esp_clk_tree_enable_src (noflash)
+    if RTC_CLK_FUNC_IN_IRAM = y:
+        rtc_clk (noflash)
     if IDF_TARGET_ESP32 = y:
         rtc_clk:rtc_clk_cpu_freq_to_pll_mhz (noflash)
         rtc_clk:rtc_clk_cpu_freq_to_xtal (noflash)