diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 6040aadf00ec0f2638e084a51003471120700d2a..8d6b5ae9c198b8fc17784e973700ac8d9cdd8120 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -574,8 +574,8 @@ config MAX_VCO_HZ
 	default 400000000 if BF514
 	default 400000000 if BF516
 	default 400000000 if BF518
-	default 600000000 if BF522
-	default 400000000 if BF523
+	default 400000000 if BF522
+	default 600000000 if BF523
 	default 400000000 if BF524
 	default 600000000 if BF525
 	default 400000000 if BF526