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Diffstat (limited to 'include/linux/regulator/driver.h')
-rw-r--r--include/linux/regulator/driver.h39
1 files changed, 23 insertions, 16 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index a9c030192147..377da2357118 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -15,11 +15,12 @@
#ifndef __LINUX_REGULATOR_DRIVER_H_
#define __LINUX_REGULATOR_DRIVER_H_
-#define MAX_COUPLED 4
+#define MAX_COUPLED 2
#include <linux/device.h>
#include <linux/notifier.h>
#include <linux/regulator/consumer.h>
+#include <linux/ww_mutex.h>
struct gpio_desc;
struct regmap;
@@ -263,6 +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)
@@ -277,14 +279,15 @@ 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.
* @vsel_range_mask: Mask for register bitfield used for range selector
* @vsel_reg: Register for selector when using regulator_regmap_X_voltage_
* @vsel_mask: Mask for register bitfield used for selector
- * @csel_reg: Register for TPS65218 LS3 current regulator
- * @csel_mask: Mask for TPS65218 LS3 current regulator
+ * @csel_reg: Register for current limit selector using regmap set_current_limit
+ * @csel_mask: Mask for register bitfield used for current limit selector
* @apply_reg: Register for initiate voltage change on the output when
* using regulator_set_voltage_sel_regmap
* @apply_bit: Register bitfield used for initiate voltage change on the
@@ -332,6 +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;
@@ -350,6 +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;
@@ -400,13 +405,7 @@ struct regulator_desc {
* NULL).
* @regmap: regmap to use for core regmap helpers if dev_get_regmap() is
* insufficient.
- * @ena_gpio_initialized: GPIO controlling regulator enable was properly
- * initialized, meaning that >= 0 is a valid gpio
- * identifier and < 0 is a non existent gpio.
- * @ena_gpio: GPIO controlling regulator enable.
- * @ena_gpiod: GPIO descriptor controlling regulator enable.
- * @ena_gpio_invert: Sense for GPIO enable control.
- * @ena_gpio_flags: Flags to use when calling gpio_request_one()
+ * @ena_gpiod: GPIO controlling regulator enable.
*/
struct regulator_config {
struct device *dev;
@@ -415,11 +414,7 @@ struct regulator_config {
struct device_node *of_node;
struct regmap *regmap;
- bool ena_gpio_initialized;
- int ena_gpio;
struct gpio_desc *ena_gpiod;
- unsigned int ena_gpio_invert:1;
- unsigned int ena_gpio_flags;
};
/*
@@ -462,7 +457,7 @@ struct regulator_dev {
struct coupling_desc coupling_desc;
struct blocking_notifier_head notifier;
- struct mutex mutex; /* consumer lock */
+ struct ww_mutex mutex; /* consumer lock */
struct task_struct *mutex_owner;
int ref_cnt;
struct module *owner;
@@ -473,7 +468,6 @@ struct regulator_dev {
struct regmap *regmap;
struct delayed_work disable_work;
- int deferred_disables;
void *reg_data; /* regulator_dev data */
@@ -503,6 +497,7 @@ int regulator_notifier_call_chain(struct regulator_dev *rdev,
void *rdev_get_drvdata(struct regulator_dev *rdev);
struct device *rdev_get_dev(struct regulator_dev *rdev);
+struct regmap *rdev_get_regmap(struct regulator_dev *rdev);
int rdev_get_id(struct regulator_dev *rdev);
int regulator_mode_to_status(unsigned int);
@@ -543,6 +538,18 @@ 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);
+void regulator_unlock(struct regulator_dev *rdev);
+
+/*
+ * Helper functions intended to be used by regulator drivers prior registering
+ * their regulators.
+ */
+int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc,
+ unsigned int selector);
#endif