diff --git a/drivers/spi/CMakeLists.txt b/drivers/spi/CMakeLists.txt
index 3d23c79e074..4eb190c6002 100644
--- a/drivers/spi/CMakeLists.txt
+++ b/drivers/spi/CMakeLists.txt
@@ -31,6 +31,10 @@ if(CONFIG_SPI)
     endif()
   endif()
 
+  if(CONFIG_SPI_ICE40)
+    list(APPEND SRCS ice40.c)
+  endif()
+
   if(CONFIG_SPI_SLAVE_DRIVER)
     list(APPEND SRCS spi_slave_driver.c)
   endif()