cpu/samd5x: support for using ext_osc + xosc + fdpll #22012
+46
−8
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
github-actions
bot
added
Platform: ARM
kfessel
requested review from
maribu
and removed request for
benpicco and
dylad
maribu
reviewed
Jan 23, 2026
kfessel
force-pushed
the
p-samd5x-xosc-pll
branch
from
1645d52 to
3b24d05
Compare
maribu
reviewed
Jan 23, 2026
maribu
approved these changes
Jan 23, 2026
kfessel
force-pushed
the
p-samd5x-xosc-pll
branch
from
22cc7f8 to
771114f
Compare
kfessel
force-pushed
the
p-samd5x-xosc-pll
branch
from
771114f to
08df288
Compare
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
2 participants
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Contribution description
adds support for using external oscillator with xosc into pll into main_clk
the intermediate frequency is 1 -> should fit for all N MHz clk sources to N MHz cpu frequency
Testing procedure
set
Frequency and XOSC<0|1> should be adjusted -> this configuration was a USB clk connect to XOSC0
do not set
Issues/PRs references