#include <linux/list.h>
#include <linux/module.h>
+struct i2c_client;
+struct spi_device;
+
struct regmap_config {
int reg_bits;
int val_bits;
struct regmap *regmap_init(struct device *dev,
const struct regmap_bus *bus,
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,