diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 95b7534e9e3c..12720489e458 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -580,6 +580,7 @@ config SH_TIMER_IRQ
 			CPU_SUBTYPE_SH7763
 	default "86" if CPU_SUBTYPE_SH7619
 	default "140" if CPU_SUBTYPE_SH7206
+	default "142" if CPU_SUBTYPE_SH7203
 	default "16"
 
 config SH_PCLK_FREQ