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Diffstat (limited to 'include/linux/regulator/driver.h')
-rw-r--r--include/linux/regulator/driver.h30
1 files changed, 30 insertions, 0 deletions
diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index b0432cc2b169..bac4c871f3bd 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -32,6 +32,8 @@ enum regulator_status {
REGULATOR_STATUS_NORMAL,
REGULATOR_STATUS_IDLE,
REGULATOR_STATUS_STANDBY,
+ /* in case that any other status doesn't apply */
+ REGULATOR_STATUS_UNDEFINED,
};
/**
@@ -67,6 +69,8 @@ enum regulator_status {
*
* @enable_time: Time taken for the regulator voltage output voltage to
* stabilise after being enabled, in microseconds.
+ * @set_ramp_delay: Set the ramp delay for the regulator. The driver should
+ * select ramp delay equal to or less than(closest) ramp_delay.
* @set_voltage_time_sel: Time taken for the regulator voltage output voltage
* to stabilise after being set to a new value, in microseconds.
* The function provides the from and to voltage selector, the
@@ -113,6 +117,7 @@ struct regulator_ops {
/* Time taken to enable or set voltage on the regulator */
int (*enable_time) (struct regulator_dev *);
+ int (*set_ramp_delay) (struct regulator_dev *, int ramp_delay);
int (*set_voltage_time_sel) (struct regulator_dev *,
unsigned int old_selector,
unsigned int new_selector);
@@ -170,11 +175,15 @@ enum regulator_type {
*
* @min_uV: Voltage given by the lowest selector (if linear mapping)
* @uV_step: Voltage increase with each selector (if linear mapping)
+ * @ramp_delay: Time to settle down after voltage change (unit: uV/us)
+ * @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
* @enable_reg: Register for control when using regmap enable/disable ops
* @enable_mask: Mask for control when using regmap enable/disable ops
+ *
+ * @enable_time: Time taken for initial enable of regulator (in uS).
*/
struct regulator_desc {
const char *name;
@@ -188,11 +197,16 @@ struct regulator_desc {
unsigned int min_uV;
unsigned int uV_step;
+ unsigned int ramp_delay;
+
+ const unsigned int *volt_table;
unsigned int vsel_reg;
unsigned int vsel_mask;
unsigned int enable_reg;
unsigned int enable_mask;
+
+ unsigned int enable_time;
};
/**
@@ -208,6 +222,9 @@ struct regulator_desc {
* @of_node: OpenFirmware node to parse for device tree bindings (may be
* NULL).
* @regmap: regmap to use for core regmap helpers
+ * @ena_gpio: GPIO controlling regulator enable.
+ * @ena_gpio_invert: Sense for GPIO enable control.
+ * @ena_gpio_flags: Flags to use when calling gpio_request_one()
*/
struct regulator_config {
struct device *dev;
@@ -215,6 +232,10 @@ struct regulator_config {
void *driver_data;
struct device_node *of_node;
struct regmap *regmap;
+
+ int ena_gpio;
+ unsigned int ena_gpio_invert:1;
+ unsigned int ena_gpio_flags;
};
/*
@@ -253,6 +274,10 @@ struct regulator_dev {
void *reg_data; /* regulator_dev data */
struct dentry *debugfs;
+
+ int ena_gpio;
+ unsigned int ena_gpio_invert:1;
+ unsigned int ena_gpio_state:1;
};
struct regulator_dev *
@@ -271,6 +296,8 @@ 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,
@@ -280,6 +307,9 @@ int regulator_set_voltage_sel_regmap(struct regulator_dev *rdev, unsigned sel);
int regulator_is_enabled_regmap(struct regulator_dev *rdev);
int regulator_enable_regmap(struct regulator_dev *rdev);
int regulator_disable_regmap(struct regulator_dev *rdev);
+int regulator_set_voltage_time_sel(struct regulator_dev *rdev,
+ unsigned int old_selector,
+ unsigned int new_selector);
void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);