diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 5ba61f2..60a65cd 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -18,6 +18,7 @@
 #include <linux/module.h>
 
 struct i2c_client;
+struct spi_device;
 
 struct regmap_config {
 	int reg_bits;
@@ -63,6 +64,9 @@
 			   const struct regmap_config *config);
 struct regmap *regmap_init_i2c(struct i2c_client *i2c,
 			       const struct regmap_config *config);
+struct regmap *regmap_init_spi(struct spi_device *dev,
+			       const struct regmap_config *config);
+
 void regmap_exit(struct regmap *map);
 int regmap_write(struct regmap *map, unsigned int reg, unsigned int val);
 int regmap_raw_write(struct regmap *map, unsigned int reg,