diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index df6339d..2ef6f65 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -186,6 +186,12 @@
 	select CPU_SH2
 	select UNCACHED_MAPPING
 
+config CPU_J2
+	bool
+	select CPU_SH2
+	select OF
+	select OF_EARLY_FLATTREE
+
 config CPU_SH3
 	bool
 	select CPU_HAS_INTEVT
@@ -252,6 +258,10 @@
 	select CPU_SH2
 	select SYS_SUPPORTS_SH_CMT
 
+config CPU_SUBTYPE_J2
+	bool "Support J2 processor"
+	select CPU_J2
+
 # SH-2A Processor Support
 
 config CPU_SUBTYPE_SH7201