diff --git a/include/linux/sh_pfc.h b/include/linux/sh_pfc.h
index 8446789..91666a5 100644
--- a/include/linux/sh_pfc.h
+++ b/include/linux/sh_pfc.h
@@ -55,6 +55,7 @@
 struct pinmux_data_reg {
 	unsigned long reg, reg_width, reg_shadow;
 	pinmux_enum_t *enum_ids;
+	void __iomem *mapped_reg;
 };
 
 #define PINMUX_DATA_REG(name, r, r_width) \
@@ -75,6 +76,12 @@
 	pinmux_enum_t force;
 };
 
+struct pfc_window {
+	phys_addr_t phys;
+	void __iomem *virt;
+	unsigned long size;
+};
+
 struct pinmux_info {
 	char *name;
 	pinmux_enum_t reserved_id;
@@ -98,6 +105,10 @@
 	struct pinmux_irq *gpio_irq;
 	unsigned int gpio_irq_size;
 
+	struct resource *resource;
+	unsigned int num_resources;
+	struct pfc_window *window;
+
 	struct gpio_chip chip;
 };