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-rw-r--r--include/linux/regmap.h20
1 files changed, 19 insertions, 1 deletions
diff --git a/include/linux/regmap.h b/include/linux/regmap.h
index 4149f1a9b003..5ad86eacef0d 100644
--- a/include/linux/regmap.h
+++ b/include/linux/regmap.h
@@ -164,6 +164,9 @@ typedef void (*regmap_unlock)(void *);
* @use_single_rw: If set, converts the bulk read and write operations into
* a series of single read and write operations. This is useful
* for device that does not support bulk read and write.
+ * @can_multi_write: If set, the device supports the multi write mode of bulk
+ * write operations, if clear multi write requests will be
+ * split into individual write operations
*
* @cache_type: The actual cache type.
* @reg_defaults_raw: Power on reset values for registers (for use with
@@ -215,6 +218,7 @@ struct regmap_config {
u8 write_flag_mask;
bool use_single_rw;
+ bool can_multi_write;
enum regmap_endian reg_format_endian;
enum regmap_endian val_format_endian;
@@ -317,6 +321,8 @@ struct regmap *regmap_init(struct device *dev,
const struct regmap_bus *bus,
void *bus_context,
const struct regmap_config *config);
+int regmap_attach_dev(struct device *dev, struct regmap *map,
+ 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,
@@ -386,8 +392,11 @@ int regmap_raw_write(struct regmap *map, unsigned int reg,
const void *val, size_t val_len);
int regmap_bulk_write(struct regmap *map, unsigned int reg, const void *val,
size_t val_count);
-int regmap_multi_reg_write(struct regmap *map, struct reg_default *regs,
+int regmap_multi_reg_write(struct regmap *map, const struct reg_default *regs,
int num_regs);
+int regmap_multi_reg_write_bypassed(struct regmap *map,
+ const struct reg_default *regs,
+ int num_regs);
int regmap_raw_write_async(struct regmap *map, unsigned int reg,
const void *val, size_t val_len);
int regmap_read(struct regmap *map, unsigned int reg, unsigned int *val);
@@ -423,6 +432,8 @@ bool regmap_check_range_table(struct regmap *map, unsigned int reg,
int regmap_register_patch(struct regmap *map, const struct reg_default *regs,
int num_regs);
+int regmap_parse_val(struct regmap *map, const void *buf,
+ unsigned int *val);
static inline bool regmap_reg_in_range(unsigned int reg,
const struct regmap_range *range)
@@ -695,6 +706,13 @@ static inline int regmap_register_patch(struct regmap *map,
return -EINVAL;
}
+static inline int regmap_parse_val(struct regmap *map, const void *buf,
+ unsigned int *val)
+{
+ WARN_ONCE(1, "regmap API is disabled");
+ return -EINVAL;
+}
+
static inline struct regmap *dev_get_regmap(struct device *dev,
const char *name)
{
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