--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -2820,6 +2820,9 @@ choice
 	config HZ_256
 		bool "256 HZ" if SYS_SUPPORTS_256HZ || SYS_SUPPORTS_ARBIT_HZ
 
+	config HZ_300
+		bool "300 HZ" if SYS_SUPPORTS_ARBIT_HZ
+
 	config HZ_1000
 		bool "1000 HZ" if SYS_SUPPORTS_1000HZ || SYS_SUPPORTS_ARBIT_HZ
 
@@ -2871,6 +2874,7 @@ config HZ
 	default 128 if HZ_128
 	default 250 if HZ_250
 	default 256 if HZ_256
+	default 300 if HZ_300
 	default 1000 if HZ_1000
 	default 1024 if HZ_1024