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diff --git a/arch/avr32/boards/favr-32/Kconfig b/arch/avr32/boards/favr-32/Kconfig
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+# Favr-32 customization
+
+if BOARD_FAVR_32
+
+config BOARD_FAVR32_ABDAC_RATE
+        int "DAC target rate"
+        default 44100
+        range 32000 50000
+        help
+          Specify the target rate the internal DAC should try to match. This
+          will use PLL1 to generate a frequency as close as possible to this
+          rate.
+
+          Must be within the range 32000 to 50000, which should be suitable to
+          generate most other frequencies in power of 2 steps.
+
+          Ex:
+                48000 will also suit 24000 and 12000
+                44100 will also suit 22050 and 11025
+                32000 will also suit 16000 and 8000
+
+endif # BOARD_FAVR_32