1 files changed, 9 insertions, 3 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index d45ab52c91c9..9a911bb5fb61 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -12,8 +12,6 @@
 #ifndef __LINUX_REGULATOR_DRIVER_H_
 #define __LINUX_REGULATOR_DRIVER_H_
 
-#define MAX_COUPLED             2
-
 #include <linux/device.h>
 #include <linux/notifier.h>
 #include <linux/regulator/consumer.h>
@@ -283,6 +281,11 @@ enum regulator_type {
  * @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
+ * @vsel_step: Specify the resolution of selector stepping when setting
+ *             voltage. If 0, then no stepping is done (requested selector is
+ *             set directly), if >0 then the regulator API will ramp the
+ *             voltage up/down gradually each time increasing/decreasing the
+ *             selector by the specified step value.
  * @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
@@ -357,6 +360,7 @@ struct regulator_desc {
         unsigned int vsel_range_mask;
         unsigned int vsel_reg;
         unsigned int vsel_mask;
+        unsigned int vsel_step;
         unsigned int csel_reg;
         unsigned int csel_mask;
         unsigned int apply_reg;
@@ -423,7 +427,8 @@ struct regulator_config {
  * incremented.
  */
 struct coupling_desc {
-        struct regulator_dev *coupled_rdevs[MAX_COUPLED];
+        struct regulator_dev **coupled_rdevs;
+        struct regulator_coupler *coupler;
         int n_resolved;
         int n_coupled;
 };
@@ -549,4 +554,5 @@ void regulator_unlock(struct regulator_dev *rdev);
  */
 int regulator_desc_list_voltage_linear_range(const struct regulator_desc *desc,
                                              unsigned int selector);
+
 #endif