regulator: core: Add set/get_current_limit helpers for regmap users

By setting curr_table, n_current_limits, csel_reg and csel_mask, the
regmap users can use regulator_set_current_limit_regmap and
regulator_get_current_limit_regmap for set/get_current_limit callbacks.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

1 files changed, 7 insertions, 0 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index b9557c9623b5..377da2357118 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -264,6 +264,7 @@ enum regulator_type {
  * @continuous_voltage_range: Indicates if the regulator can set any
  *                            voltage within constrains range.
  * @n_voltages: Number of selectors available for ops.list_voltage().
+ * @n_current_limits: Number of selectors available for current limits
  *
  * @min_uV: Voltage given by the lowest selector (if linear mapping)
  * @uV_step: Voltage increase with each selector (if linear mapping)
@@ -278,6 +279,7 @@ enum regulator_type {
  * @n_linear_ranges: Number of entries in the @linear_ranges (and in
  *		     linear_range_selectors if used) table(s).
  * @volt_table: Voltage mapping table (if table based mapping)
+ * @curr_table: Current limit mapping table (if table based mapping)
  *
  * @vsel_range_reg: Register for range selector when using pickable ranges
  *		    and regulator_regmap_X_voltage_X_pickable functions.
@@ -333,6 +335,7 @@ struct regulator_desc {
 	int id;
 	unsigned int continuous_voltage_range:1;
 	unsigned n_voltages;
+	unsigned int n_current_limits;
 	const struct regulator_ops *ops;
 	int irq;
 	enum regulator_type type;
@@ -351,6 +354,7 @@ struct regulator_desc {
 	int n_linear_ranges;
 
 	const unsigned int *volt_table;
+	const unsigned int *curr_table;
 
 	unsigned int vsel_range_reg;
 	unsigned int vsel_range_mask;
@@ -534,6 +538,9 @@ int regulator_set_pull_down_regmap(struct regulator_dev *rdev);
 
 int regulator_set_active_discharge_regmap(struct regulator_dev *rdev,
 					  bool enable);
+int regulator_set_current_limit_regmap(struct regulator_dev *rdev,
+				       int min_uA, int max_uA);
+int regulator_get_current_limit_regmap(struct regulator_dev *rdev);
 void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);
 
 void regulator_lock(struct regulator_dev *rdev);