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regulator: core: Allow drivers to set voltage mapping table in regulator_desc

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Some regulator hardware use table based mapping can set volt_table in
regulator_desc and use regulator_list_voltage_table() for their list_voltage
callback.

Signed-off-by: Axel Lin <axel.lin@gmail.com>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Axel Lin
2012-05-20 10:30:21 +08:00
committed by Mark Brown
parent f8f5701bda
commit cffc9592fd
2 changed files with 30 additions and 0 deletions
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5
include/linux/regulator/driver.h
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@@ -170,6 +170,7 @@ enum regulator_type {
*
* @min_uV: Voltage given by the lowest selector (if linear mapping)
* @uV_step: Voltage increase with each selector (if linear mapping)
* @volt_table: Voltage mapping table (if table based mapping)
*
* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
* @vsel_mask: Mask for register bitfield used for selector
@@ -189,6 +190,8 @@ struct regulator_desc {
unsigned int min_uV;
unsigned int uV_step;
const unsigned int *volt_table;
unsigned int vsel_reg;
unsigned int vsel_mask;
unsigned int enable_reg;
@@ -271,6 +274,8 @@ int regulator_mode_to_status(unsigned int);
int regulator_list_voltage_linear(struct regulator_dev *rdev,
unsigned int selector);
int regulator_list_voltage_table(struct regulator_dev *rdev,
unsigned int selector);
int regulator_map_voltage_linear(struct regulator_dev *rdev,
int min_uV, int max_uV);
int regulator_map_voltage_iterate(struct regulator_dev *rdev,