diff --git a/ports/atmel-samd/asf4 b/ports/atmel-samd/asf4
index 1b87f18f80..84f56af132 160000
--- a/ports/atmel-samd/asf4
+++ b/ports/atmel-samd/asf4
@@ -1 +1 @@
-Subproject commit 1b87f18f8091f258e63f85cef54bcc7bafd44598
+Subproject commit 84f56af13292d8f32c40acbd949bde698ddd4507
diff --git a/ports/atmel-samd/peripherals b/ports/atmel-samd/peripherals
index 15fd96f4d8..2ff4ab0510 160000
--- a/ports/atmel-samd/peripherals
+++ b/ports/atmel-samd/peripherals
@@ -1 +1 @@
-Subproject commit 15fd96f4d8c38d5490767ea09469b82a231a768d
+Subproject commit 2ff4ab05101ce7d3e105009cc6612df6e992123f