diff --git a/drivers/saul/init_devs/auto_init_efm32_coretemp.c b/drivers/saul/init_devs/auto_init_efm32_coretemp.c
new file mode 100644
index 0000000000..b79f989216
--- /dev/null
+++ b/drivers/saul/init_devs/auto_init_efm32_coretemp.c
@@ -0,0 +1,58 @@
+/*
+ * Copyright (C) 2020 Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * 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.
+ *
+ */
+
+/**
+ * @ingroup     sys_auto_init_saul
+ * @{
+ *
+ * @file
+ * @brief       Auto initialization of EFM32 core temperature driver
+ *
+ * @author      Bas Stottelaar <basstottelaar@gmail.com>
+ *
+ * @}
+ */
+
+#include "log.h"
+#include "saul_reg.h"
+#include "saul/periph.h"
+#include "coretemp.h"
+
+/**
+ * @brief   Memory for the SAUL registry entry
+ */
+static saul_reg_t saul_reg_entry;
+
+/**
+ * @brief   Reference the driver struct
+ */
+extern saul_driver_t efm32_coretemp_saul_driver;
+
+/**
+ * @brief   Reference the information for saul registry
+ */
+extern saul_reg_info_t efm32_coretemp_saul_info;
+
+void auto_init_efm32_coretemp(void)
+{
+    LOG_DEBUG("[auto_init_saul] initializing EFM32 coretemp\n");
+
+    /* initialize driver */
+    if (coretemp_init() != 0) {
+        LOG_ERROR("[auto_init_saul] error initializing EFM32 coretemp\n");
+        return;
+    }
+
+    /* add to registry */
+    saul_reg_entry.dev = NULL;
+    saul_reg_entry.name = efm32_coretemp_saul_info.name;
+    saul_reg_entry.driver = &efm32_coretemp_saul_driver;
+
+    saul_reg_add(&(saul_reg_entry));
+}
diff --git a/drivers/saul/init_devs/init.c b/drivers/saul/init_devs/init.c
index 45b95e7f3c..dda33a68e8 100644
--- a/drivers/saul/init_devs/init.c
+++ b/drivers/saul/init_devs/init.c
@@ -95,6 +95,10 @@ void saul_init_devs(void)
         extern void auto_init_ds75lx(void);
         auto_init_ds75lx();
     }
+    if (IS_USED(MODULE_EFM32_CORETEMP)) {
+        extern void auto_init_efm32_coretemp(void);
+        auto_init_efm32_coretemp();
+    }
     if (IS_USED(MODULE_FXOS8700)) {
         extern void auto_init_fxos8700(void);
         auto_init_fxos8700();