commit a52f35795c5a51bc0ae5ca1395510e34e9e57cc7
author Wiktor Kwiatkowski <wiktorkwiatkowski143@gmail.com> Mon Oct 27 10:54:23 2025 +0100
committer kasjer <kasjer@users.noreply.github.com> Tue Oct 28 14:48:07 2025 +0100
tree 54f9d109e26ac68b2b3a688638704d4de4a73668
parent 69fdf9bcc11aff38ce9961c1fdd78befe36d065a

hw/mcu/atmel: add CPU_CLOCK_FREQ_MHZ definition for SAMD21

Adds a new syscfg definition that allows users to
select the CPU clock frequency (in MHz) for SAMD21-based targets.

hw/mcu/atmel/samd21xx/ext/pkg.yml

diff --git a/hw/mcu/atmel/samd21xx/ext/pkg.yml b/hw/mcu/atmel/samd21xx/ext/pkg.yml
index b415a2d..680f1d5 100644
--- a/hw/mcu/atmel/samd21xx/ext/pkg.yml
+++ b/hw/mcu/atmel/samd21xx/ext/pkg.yml
@@ -23,7 +23,7 @@
 
 repository.atmel-samd21xx:
     type: github
-    vers: c24381e11d1b494684b84f80536afe95aeec376a-commit
+    vers: 08b4c2fdadfaac4b40811b9561a1cfd6b99c1c34-commit
     branch: master
     user: runtimeco
     repo: mynewt_arduino_zero

hw/mcu/atmel/samd21xx/syscfg.yml

diff --git a/hw/mcu/atmel/samd21xx/syscfg.yml b/hw/mcu/atmel/samd21xx/syscfg.yml
index 766290a..d5e749b 100644
--- a/hw/mcu/atmel/samd21xx/syscfg.yml
+++ b/hw/mcu/atmel/samd21xx/syscfg.yml
@@ -23,6 +23,11 @@
             Used internally by the newt tool.
         value: 1
 
+    CPU_CLOCK_FREQ_MHZ:
+        description: "CPU clock frequency in MHz"
+        value: 48
+        range: 1, 3, 6, 8, 12, 24, 48
+
     SPI_0:
         description: 'Whether to enable SPI0'
         value:  0