diff --git a/sys/Kconfig b/sys/Kconfig
index f6d5e3979cf2..4ca64424ec34 100644
--- a/sys/Kconfig
+++ b/sys/Kconfig
@@ -53,6 +53,7 @@ rsource "Kconfig.picolibc"
 
 endmenu # Libc
 
+rsource "log/Kconfig"
 rsource "luid/Kconfig"
 rsource "malloc_thread_safe/Kconfig"
 rsource "matstat/Kconfig"
diff --git a/sys/log/Kconfig b/sys/log/Kconfig
new file mode 100644
index 000000000000..fdc9b10ce311
--- /dev/null
+++ b/sys/log/Kconfig
@@ -0,0 +1,32 @@
+# Copyright (c) 2021 HAW Hamburg
+#
+# This file is subject to the terms and conditions of the GNU Lesser
+# General Public License v2.1. See the file LICENSE in the top level
+# directory for more details.
+#
+
+
+menuconfig MODULE_LOG
+  bool "Logging system override"
+  depends on TEST_KCONFIG
+  help
+    Say y to override the default logging functions. For more information see
+    core/include/log.h.
+
+choice LOG_BACKEND
+    bool "Implementation"
+    depends on MODULE_LOG
+
+config MODULE_LOG_COLOR
+    bool "Colored output"
+    help
+      Implements a logging module with colored output.
+
+config MODULE_LOG_PRINTFNOFORMAT
+    bool "puts-based log"
+    help
+      Logging is implemented using puts instead of printf. Use it where printf
+      might be too heavy. This also serves as an example for logging
+      implementation.
+
+endchoice
diff --git a/tests/log_color/app.config.test b/tests/log_color/app.config.test
new file mode 100644
index 000000000000..3b73d454d9a5
--- /dev/null
+++ b/tests/log_color/app.config.test
@@ -0,0 +1,2 @@
+CONFIG_MODULE_LOG=y
+CONFIG_MODULE_LOG_COLOR=y
diff --git a/tests/log_printfnoformat/app.config.test b/tests/log_printfnoformat/app.config.test
new file mode 100644
index 000000000000..a6da5b098069
--- /dev/null
+++ b/tests/log_printfnoformat/app.config.test
@@ -0,0 +1,2 @@
+CONFIG_MODULE_LOG=y
+CONFIG_MODULE_LOG_PRINTFNOFORMAT=y