diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index df2e2f9..6a679c3 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -276,6 +276,15 @@
 
 # SH-4A Processor Support
 
+config CPU_SUBTYPE_SH7723
+	bool "Support SH7723 processor"
+	select CPU_SH4A
+	select CPU_SHX2
+	select ARCH_SPARSEMEM_ENABLE
+	select SYS_SUPPORTS_NUMA
+	help
+	  Select SH7723 if you have an SH-MobileR2 CPU.
+
 config CPU_SUBTYPE_SH7763
 	bool "Support SH7763 processor"
 	select CPU_SH4A
@@ -600,7 +609,7 @@
 	default "27000000" if CPU_SUBTYPE_SH7343
 	default "31250000" if CPU_SUBTYPE_SH7619
 	default "32000000" if CPU_SUBTYPE_SH7722
-	default "33333333" if CPU_SUBTYPE_SH7770 || \
+	default "33333333" if CPU_SUBTYPE_SH7770 || CPU_SUBTYPE_SH7723 || \
 			      CPU_SUBTYPE_SH7760 || CPU_SUBTYPE_SH7705 || \
 			      CPU_SUBTYPE_SH7203 || CPU_SUBTYPE_SH7206 || \
 			      CPU_SUBTYPE_SH7263 || CPU_SUBTYPE_MXG