diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index 0031a6979f3a1e727e5c0c6d4234c139e347191e..2121fbb2ff4c313c5f0891b783ea4cbf3a571fe0 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -540,14 +540,16 @@ config SH_TIMER_MTU2
 
 config SH_PCLK_FREQ
 	int "Peripheral clock frequency (in Hz)"
-	default "27000000" if CPU_SUBTYPE_SH7343
+	depends on SH_CLK_CPG_LEGACY
 	default "31250000" if CPU_SUBTYPE_SH7619
-	default "32000000" if CPU_SUBTYPE_SH7722
-	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    || \
-			      CPU_SUBTYPE_SH7786 || CPU_SUBTYPE_SH7724
+	default "33333333" if CPU_SUBTYPE_SH7770 || \
+			      CPU_SUBTYPE_SH7760 || \
+			      CPU_SUBTYPE_SH7705 || \
+			      CPU_SUBTYPE_SH7203 || \
+			      CPU_SUBTYPE_SH7206 || \
+			      CPU_SUBTYPE_SH7263 || \
+			      CPU_SUBTYPE_MXG    || \
+			      CPU_SUBTYPE_SH7786
 	default "60000000" if CPU_SUBTYPE_SH7751 || CPU_SUBTYPE_SH7751R
 	default "66000000" if CPU_SUBTYPE_SH4_202
 	default "50000000"
diff --git a/arch/sh/include/asm/timex.h b/arch/sh/include/asm/timex.h
index b556d49e5f2ba8742a343d6dc9bc8d61b7437029..18bf06d9c764a2ad713b68b8dad67f13e39b8411 100644
--- a/arch/sh/include/asm/timex.h
+++ b/arch/sh/include/asm/timex.h
@@ -6,7 +6,17 @@
 #ifndef __ASM_SH_TIMEX_H
 #define __ASM_SH_TIMEX_H
 
+/*
+ * Only parts using the legacy CPG code for their clock framework
+ * implementation need to define their own Pclk value. If provided, this
+ * can be used for accurately setting CLOCK_TICK_RATE, otherwise we
+ * simply fall back on the i8253 PIT value.
+ */
+#ifdef CONFIG_SH_PCLK_FREQ
 #define CLOCK_TICK_RATE		(CONFIG_SH_PCLK_FREQ / 4) /* Underlying HZ */
+#else
+#define CLOCK_TICK_RATE		1193180
+#endif
 
 #include <asm-generic/timex.h>