diff --git a/src/soc/intel/elkhartlake/Kconfig b/src/soc/intel/elkhartlake/Kconfig
index 40770d0..05077ad 100644
--- a/src/soc/intel/elkhartlake/Kconfig
+++ b/src/soc/intel/elkhartlake/Kconfig
@@ -133,6 +133,9 @@
 	int
 	default 120
 
+config CPU_XTAL_HZ
+	default 38400000
+
 config DRIVERS_I2C_DESIGNWARE_CLOCK_MHZ
 	int
 	default 133