1 files changed, 18 insertions, 2 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index 67e13aa5a478..9370e65348a4 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -40,23 +40,32 @@ enum regulator_status {
 };
 
 /**
+ * struct regulator_linear_range - specify linear voltage ranges
+ *
  * Specify a range of voltages for regulator_map_linar_range() and
  * regulator_list_linear_range().
  *
  * @min_uV:  Lowest voltage in range
- * @max_uV:  Highest voltage in range
  * @min_sel: Lowest selector for range
  * @max_sel: Highest selector for range
  * @uV_step: Step size
  */
 struct regulator_linear_range {
         unsigned int min_uV;
-        unsigned int max_uV;
         unsigned int min_sel;
         unsigned int max_sel;
         unsigned int uV_step;
 };
 
+/* Initialize struct regulator_linear_range */
+#define REGULATOR_LINEAR_RANGE(_min_uV, _min_sel, _max_sel, _step_uV)   \
+{                                                                       \
+        .min_uV         = _min_uV,                                      \
+        .min_sel        = _min_sel,                                     \
+        .max_sel        = _max_sel,                                     \
+        .uV_step        = _step_uV,                                     \
+}
+
 /**
  * struct regulator_ops - regulator operations.
  *
@@ -207,6 +216,7 @@ enum regulator_type {
  * @min_uV: Voltage given by the lowest selector (if linear mapping)
  * @uV_step: Voltage increase with each selector (if linear mapping)
  * @linear_min_sel: Minimal selector for starting linear mapping
+ * @fixed_uV: Fixed voltage of rails.
  * @ramp_delay: Time to settle down after voltage change (unit: uV/us)
  * @volt_table: Voltage mapping table (if table based mapping)
  *
@@ -239,6 +249,7 @@ struct regulator_desc {
         unsigned int min_uV;
         unsigned int uV_step;
         unsigned int linear_min_sel;
+        int fixed_uV;
         unsigned int ramp_delay;
 
         const struct regulator_linear_range *linear_ranges;
@@ -334,7 +345,12 @@ struct regulator_dev {
 struct regulator_dev *
 regulator_register(const struct regulator_desc *regulator_desc,
                    const struct regulator_config *config);
+struct regulator_dev *
+devm_regulator_register(struct device *dev,
+                        const struct regulator_desc *regulator_desc,
+                        const struct regulator_config *config);
 void regulator_unregister(struct regulator_dev *rdev);
+void devm_regulator_unregister(struct device *dev, struct regulator_dev *rdev);
 
 int regulator_notifier_call_chain(struct regulator_dev *rdev,
                                   unsigned long event, void *data);