diff --git a/ports/atmel-samd/peripherals b/ports/atmel-samd/peripherals
index 15d5740b7b..778d4f3736 160000
--- a/ports/atmel-samd/peripherals
+++ b/ports/atmel-samd/peripherals
@@ -1 +1 @@
-Subproject commit 15d5740b7ba791cdeb010bcc2e3f6d6f26ad2d6d
+Subproject commit 778d4f3736728da7ba7795c5c44176c415c903cf