diff --git a/docs/en/api-guides/tools/idf-clang-tidy.rst b/docs/en/api-guides/tools/idf-clang-tidy.rst
index 254a8c1d10..009e4769e1 100644
--- a/docs/en/api-guides/tools/idf-clang-tidy.rst
+++ b/docs/en/api-guides/tools/idf-clang-tidy.rst
@@ -27,7 +27,7 @@ If you have never run this tool before, take the following steps to get this too
 
       This toolchain is still under development. After the final release, you don't have to install them manually.
 
-#. Get file from the `llvm repository <https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py>`_  and add the folder of this script to the ``$PATH``. Or you could pass an optional argument ``--run-clang-tidy-py`` later when you call ``idf.py clang-check``.
+#. Get file from the `llvm repository <https://github.com/llvm/llvm-project/blob/main/clang-tools-extra/clang-tidy/tool/run-clang-tidy.py>`_ and add the folder of this script to the ``$PATH``. Or you could pass an optional argument ``--run-clang-tidy-py`` later when you call ``idf.py clang-check``. Please don't forget to make the script executable.
 
    .. note::
 
diff --git a/tools/cmake/toolchain-clang-esp32s3.cmake b/tools/cmake/toolchain-clang-esp32s3.cmake
new file mode 100644
index 0000000000..bb9da7c157
--- /dev/null
+++ b/tools/cmake/toolchain-clang-esp32s3.cmake
@@ -0,0 +1,32 @@
+include($ENV{IDF_PATH}/tools/cmake/utilities.cmake)
+
+set(CMAKE_SYSTEM_NAME Generic)
+
+set(CMAKE_C_COMPILER clang)
+set(CMAKE_CXX_COMPILER clang++)
+set(CMAKE_ASM_COMPILER clang)
+
+set(CMAKE_AR xtensa-esp32-elf-ar)
+set(CMAKE_RANLIB xtensa-esp32-elf-gcc-ranlib)
+set(CMAKE_OBJDUMP xtensa-esp32-elf-objdump)
+
+# -freestanding is a hack to force Clang to use its own stdatomic.h,
+# without falling back to the (incompatible) GCC stdatomic.h
+# https://github.com/espressif/llvm-project/blob/d9341b81/clang/lib/Headers/stdatomic.h#L13-L18
+remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 -ffreestanding ${CMAKE_C_FLAGS}"
+                        UNIQ_CMAKE_C_FLAGS)
+set(CMAKE_C_FLAGS "${UNIQ_CMAKE_C_FLAGS}"
+    CACHE STRING "C Compiler Base Flags"
+    FORCE)
+
+remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 -ffreestanding ${CMAKE_CXX_FLAGS}"
+                        UNIQ_CMAKE_CXX_FLAGS)
+set(CMAKE_CXX_FLAGS "${UNIQ_CMAKE_CXX_FLAGS}"
+    CACHE STRING "C++ Compiler Base Flags"
+    FORCE)
+
+remove_duplicated_flags("--target=xtensa -mcpu=esp32s3 ${CMAKE_ASM_FLAGS}"
+                        UNIQ_CMAKE_ASM_FLAGS)
+set(CMAKE_ASM_FLAGS "${UNIQ_CMAKE_ASM_FLAGS}"
+    CACHE STRING "Assembler Base Flags"
+    FORCE)
diff --git a/tools/tools.json b/tools/tools.json
index ebb4c2c172..447867f8c3 100644
--- a/tools/tools.json
+++ b/tools/tools.json
@@ -396,26 +396,26 @@
       "versions": [
         {
           "linux-amd64": {
-            "sha256": "d62d9234c702a86ed510777125ee97458204e28877806a73f9de5e41d7b65716",
-            "size": 102954848,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-12.0.1-20210914/xtensa-esp32-elf-llvm12_0_1-esp-12.0.1-20210914-linux-amd64.tar.xz"
+            "sha256": "b0148627912dacf4a4cab4596ba9467cb8dd771522ca27b9526bc57b88ff366f",
+            "size": 125101504,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-14.0.0-20220415/xtensa-esp32-elf-llvm14_0_0-esp-14.0.0-20220415-linux-amd64.tar.xz"
           },
           "macos": {
-            "sha256": "6e7413e5fa515e403859ecf5301bdcdc3f8bf12c5de9aecaa11e9f17f32b05db",
-            "size": 89888488,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-12.0.1-20210914/xtensa-esp32-elf-llvm12_0_1-esp-12.0.1-20210914-macos.tar.xz"
+            "sha256": "1a78c598825ef168c0c5668aff7848825a7b9d014bffd1f2f2484ceea9df3841",
+            "size": 107100188,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-14.0.0-20220415/xtensa-esp32-elf-llvm14_0_0-esp-14.0.0-20220415-macos.tar.xz"
           },
           "macos-arm64": {
-            "sha256": "6e7413e5fa515e403859ecf5301bdcdc3f8bf12c5de9aecaa11e9f17f32b05db",
-            "size": 89888488,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-12.0.1-20210914/xtensa-esp32-elf-llvm12_0_1-esp-12.0.1-20210914-macos.tar.xz"
+            "sha256": "1a78c598825ef168c0c5668aff7848825a7b9d014bffd1f2f2484ceea9df3841",
+            "size": 107100188,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-14.0.0-20220415/xtensa-esp32-elf-llvm14_0_0-esp-14.0.0-20220415-macos.tar.xz"
           },
-          "name": "12.0.1-d9341b81fc",
+          "name": "14.0.0-38679f0333",
           "status": "recommended",
           "win64": {
-            "sha256": "e056366959c722367e4144076c5383bd417ea199db5658bb7bb6c95b9aca014b",
-            "size": 177903504,
-            "url": "https://github.com/espressif/llvm-project/releases/download/esp-12.0.1-20210914/xtensa-esp32-elf-llvm12_0_1-esp-12.0.1-20210914-win64.zip"
+            "sha256": "793e7bd9c40fcb9a4fababaaccf3e4c5b8d9554d406af1b1fbee51806bf8c5dd",
+            "size": 174294128,
+            "url": "https://github.com/espressif/llvm-project/releases/download/esp-14.0.0-20220415/xtensa-esp32-elf-llvm14_0_0-esp-14.0.0-20220415-win64.zip"
           }
         }
       ]