diff --git a/Kconfig b/Kconfig
index 9b230774b6..0646ca29d2 100644
--- a/Kconfig
+++ b/Kconfig
@@ -58,11 +58,18 @@ mainmenu "Espressif IoT Development Framework Configuration"
             prompt "ESP32-S3 beta2"
     endchoice
 
+    config IDF_TARGET_ESP32C3
+        bool
+        default "y" if IDF_TARGET="esp32c3"
+        select FREERTOS_UNICORE
+        select IDF_TARGET_ARCH_RISCV
+
     config IDF_FIRMWARE_CHIP_ID
         hex
         default 0x0000 if IDF_TARGET_ESP32
         default 0x0002 if IDF_TARGET_ESP32S2
         default 0x0004 if IDF_TARGET_ESP32S3
+        default 0x0005 if IDF_TARGET_ESP32C3
         default 0xFFFF
 
     menu "SDK tool configuration"
@@ -71,6 +78,8 @@ mainmenu "Espressif IoT Development Framework Configuration"
             default "xtensa-esp32-elf-" if IDF_TARGET_ESP32
             default "xtensa-esp32s2-elf-" if IDF_TARGET_ESP32S2
             default "xtensa-esp32s3-elf-" if IDF_TARGET_ESP32S3
+            default "riscv32-esp-elf-" if IDF_TARGET_ESP32C3
+
             help
                 The prefix/path that is used to call the toolchain. The default setting assumes
                 a crosstool-ng gcc setup that is in your PATH.