diff --git a/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
index 7d3744ac7b083872e29acc69e712f5e7c8ea0a0e..26e90a66ebb71de8e6874b23f069d10c1a690f47 100644
--- a/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
+++ b/arch/sh/kernel/cpu/sh3/pinmux-sh7720.c
@@ -8,13 +8,23 @@
  * for more details.
  */
 
+#include <linux/bug.h>
 #include <linux/init.h>
 #include <linux/kernel.h>
+#include <linux/ioport.h>
 #include <cpu/pfc.h>
 
+static struct resource sh7720_pfc_resources[] = {
+	[0] = {
+		.start	= 0xa4050100,
+		.end	= 0xa405016f,
+		.flags	= IORESOURCE_MEM,
+	},
+};
+
 static int __init plat_pinmux_setup(void)
 {
-	return sh_pfc_register("pfc-sh7720", NULL, 0);
+	return sh_pfc_register("pfc-sh7720", sh7720_pfc_resources,
+			       ARRAY_SIZE(sh7720_pfc_resources));
 }
-
 arch_initcall(plat_pinmux_setup);