1 files changed, 17 insertions, 1 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index bac4c871f3bd..7932a3bf21bd 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,
+        /* The regulator is enabled but not regulating */
+        REGULATOR_STATUS_BYPASS,
         /* in case that any other status doesn't apply */
         REGULATOR_STATUS_UNDEFINED,
 };
@@ -58,6 +60,7 @@ enum regulator_status {
  *      regulator_desc.n_voltages.  Voltages may be reported in any order.
  *
  * @set_current_limit: Configure a limit for a current-limited regulator.
+ *                     The driver should select the current closest to max_uA.
  * @get_current_limit: Get the configured limit for a current-limited regulator.
  *
  * @set_mode: Set the configured operating mode for the regulator.
@@ -67,6 +70,9 @@ enum regulator_status {
  * @get_optimum_mode: Get the most efficient operating mode for the regulator
  *                    when running with the specified parameters.
  *
+ * @set_bypass: Set the regulator in bypass mode.
+ * @get_bypass: Get the regulator bypass mode state.
+ *
  * @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
@@ -133,6 +139,10 @@ struct regulator_ops {
         unsigned int (*get_optimum_mode) (struct regulator_dev *, int input_uV,
                                           int output_uV, int load_uA);
 
+        /* control and report on bypass mode */
+        int (*set_bypass)(struct regulator_dev *dev, bool enable);
+        int (*get_bypass)(struct regulator_dev *dev, bool *enable);
+
         /* the operations below are for configuration of regulator state when
          * its parent PMIC enters a global STANDBY/HIBERNATE state */
 
@@ -205,6 +215,8 @@ struct regulator_desc {
         unsigned int vsel_mask;
         unsigned int enable_reg;
         unsigned int enable_mask;
+        unsigned int bypass_reg;
+        unsigned int bypass_mask;
 
         unsigned int enable_time;
 };
@@ -221,7 +233,8 @@ struct regulator_desc {
  * @driver_data: private regulator data
  * @of_node: OpenFirmware node to parse for device tree bindings (may be
  *           NULL).
- * @regmap: regmap to use for core regmap helpers
+ * @regmap: regmap to use for core regmap helpers if dev_get_regulator() is
+ *          insufficient.
  * @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()
@@ -253,6 +266,7 @@ struct regulator_dev {
         int exclusive;
         u32 use_count;
         u32 open_count;
+        u32 bypass_count;
 
         /* lists we belong to */
         struct list_head list; /* list of all regulators */
@@ -310,6 +324,8 @@ 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);
+int regulator_set_bypass_regmap(struct regulator_dev *rdev, bool enable);
+int regulator_get_bypass_regmap(struct regulator_dev *rdev, bool *enable);
 
 void *regulator_get_init_drvdata(struct regulator_init_data *reg_init_data);