diff --git a/test/configs/stm32f042.config b/test/configs/stm32f042.config
new file mode 100644
index 00000000..85338f2e
--- /dev/null
+++ b/test/configs/stm32f042.config
@@ -0,0 +1,4 @@
+# Base config file for STM32F042 ARM processor
+CONFIG_MACH_STM32=y
+CONFIG_MACH_STM32F042=y
+CONFIG_WANT_SOFTWARE_I2C=n