diff --git a/soc/arm/atmel_sam0/common/sercom_fixup_samd5x.h b/soc/arm/atmel_sam0/common/sercom_fixup_samd5x.h
new file mode 100644
index 00000000000..3bb2bcad06c
--- /dev/null
+++ b/soc/arm/atmel_sam0/common/sercom_fixup_samd5x.h
@@ -0,0 +1,141 @@
+/*
+ * Copyright (c) 2019 ML!PA Consulting GmbH
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#ifdef MCLK_APBAMASK_SERCOM0
+#define MCLK_SERCOM0 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM0_MASK (MCLK_APBAMASK_SERCOM0)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM0
+#define MCLK_SERCOM0 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM0_MASK (MCLK_APBBMASK_SERCOM0)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM0
+#define MCLK_SERCOM0 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM0_MASK (MCLK_APBCMASK_SERCOM0)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM0
+#define MCLK_SERCOM0 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM0_MASK (MCLK_APBDMASK_SERCOM0)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM1
+#define MCLK_SERCOM1 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM1_MASK (MCLK_APBAMASK_SERCOM1)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM1
+#define MCLK_SERCOM1 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM1_MASK (MCLK_APBBMASK_SERCOM1)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM1
+#define MCLK_SERCOM1 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM1_MASK (MCLK_APBCMASK_SERCOM1)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM1
+#define MCLK_SERCOM1 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM1_MASK (MCLK_APBDMASK_SERCOM1)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM2
+#define MCLK_SERCOM2 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM2_MASK (MCLK_APBAMASK_SERCOM2)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM2
+#define MCLK_SERCOM2 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM2_MASK (MCLK_APBBMASK_SERCOM2)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM2
+#define MCLK_SERCOM2 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM2_MASK (MCLK_APBCMASK_SERCOM2)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM2
+#define MCLK_SERCOM2 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM2_MASK (MCLK_APBDMASK_SERCOM2)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM3
+#define MCLK_SERCOM3 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM3_MASK (MCLK_APBAMASK_SERCOM3)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM3
+#define MCLK_SERCOM3 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM3_MASK (MCLK_APBBMASK_SERCOM3)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM3
+#define MCLK_SERCOM3 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM3_MASK (MCLK_APBCMASK_SERCOM3)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM3
+#define MCLK_SERCOM3 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM3_MASK (MCLK_APBDMASK_SERCOM3)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM4
+#define MCLK_SERCOM4 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM4_MASK (MCLK_APBAMASK_SERCOM4)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM4
+#define MCLK_SERCOM4 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM4_MASK (MCLK_APBBMASK_SERCOM4)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM4
+#define MCLK_SERCOM4 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM4_MASK (MCLK_APBCMASK_SERCOM4)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM4
+#define MCLK_SERCOM4 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM4_MASK (MCLK_APBDMASK_SERCOM4)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM5
+#define MCLK_SERCOM5 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM5_MASK (MCLK_APBAMASK_SERCOM5)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM5
+#define MCLK_SERCOM5 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM5_MASK (MCLK_APBBMASK_SERCOM5)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM5
+#define MCLK_SERCOM5 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM5_MASK (MCLK_APBCMASK_SERCOM5)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM5
+#define MCLK_SERCOM5 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM5_MASK (MCLK_APBDMASK_SERCOM5)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM6
+#define MCLK_SERCOM6 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM6_MASK (MCLK_APBAMASK_SERCOM6)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM6
+#define MCLK_SERCOM6 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM6_MASK (MCLK_APBBMASK_SERCOM6)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM6
+#define MCLK_SERCOM6 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM6_MASK (MCLK_APBCMASK_SERCOM6)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM6
+#define MCLK_SERCOM6 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM6_MASK (MCLK_APBDMASK_SERCOM6)
+#endif
+
+#ifdef MCLK_APBAMASK_SERCOM7
+#define MCLK_SERCOM7 (&MCLK->APBAMASK.reg)
+#define MCLK_SERCOM7_MASK (MCLK_APBAMASK_SERCOM7)
+#endif
+#ifdef MCLK_APBBMASK_SERCOM7
+#define MCLK_SERCOM7 (&MCLK->APBBMASK.reg)
+#define MCLK_SERCOM7_MASK (MCLK_APBBMASK_SERCOM7)
+#endif
+#ifdef MCLK_APBCMASK_SERCOM7
+#define MCLK_SERCOM7 (&MCLK->APBCMASK.reg)
+#define MCLK_SERCOM7_MASK (MCLK_APBCMASK_SERCOM7)
+#endif
+#ifdef MCLK_APBDMASK_SERCOM7
+#define MCLK_SERCOM7 (&MCLK->APBDMASK.reg)
+#define MCLK_SERCOM7_MASK (MCLK_APBDMASK_SERCOM7)
+#endif