diff --git a/cpu/qn908x/Kconfig b/cpu/qn908x/Kconfig
index 98f7b03062..b36a47426e 100644
--- a/cpu/qn908x/Kconfig
+++ b/cpu/qn908x/Kconfig
@@ -19,6 +19,12 @@ config CPU_FAM_QN908X
     select HAS_PERIPH_WDT
     select HAS_PERIPH_WDT_CB
 
+    select MODULE_VENDOR if TEST_KCONFIG
+    # The clock functionality is used by most modules, including cpu.c even when
+    # no peripheral module is being used.
+    select MODULE_VENDOR_FSL_CLOCK if TEST_KCONFIG
+    select MODULE_PERIPH_GPIO_MUX if TEST_KCONFIG
+
 ## CPU Models
 # For cpus QN9080CHN (revision C) and QN9080DHN (revision D)
 config CPU_MODEL_QN9080XHN
@@ -50,5 +56,7 @@ config HAS_CPU_QN908X
 
 # Other cpu configuration
 rsource "Kconfig.clk"
+rsource "periph/Kconfig"
+rsource "vendor/Kconfig"
 
 source "$(RIOTCPU)/cortexm_common/Kconfig"
diff --git a/cpu/qn908x/periph/Kconfig b/cpu/qn908x/periph/Kconfig
new file mode 100644
index 0000000000..50ab202853
--- /dev/null
+++ b/cpu/qn908x/periph/Kconfig
@@ -0,0 +1,19 @@
+# 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.
+#
+
+config MODULE_PERIPH_FLEXCOMM
+    bool
+    depends on TEST_KCONFIG
+    default y if MODULE_PERIPH_UART || MODULE_PERIPH_I2C || MODULE_PERIPH_SPI
+    help
+      Flexcomm interrupt dispatch driver.
+
+config MODULE_PERIPH_GPIO_MUX
+    bool
+    depends on TEST_KCONFIG
+    help
+      Common Pin MUX functions for qn908x CPUs.
diff --git a/cpu/qn908x/vendor/Kconfig b/cpu/qn908x/vendor/Kconfig
new file mode 100644
index 0000000000..f955b18195
--- /dev/null
+++ b/cpu/qn908x/vendor/Kconfig
@@ -0,0 +1,18 @@
+# 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.
+#
+
+config MODULE_VENDOR
+    bool
+    depends on TEST_KCONFIG
+    help
+      qn908x vendor-specific code.
+
+config MODULE_VENDOR_FSL_CLOCK
+    bool
+    depends on MODULE_VENDOR
+    help
+      qn908x vendor-specific FSL Clock code.