1 files changed, 8 insertions, 0 deletions

diff --git a/include/linux/regulator/driver.h b/include/linux/regulator/driver.h
index fc0ee0ce8325..5f1e9ca47417 100644
--- a/include/linux/regulator/driver.h
+++ b/include/linux/regulator/driver.h
@@ -243,6 +243,8 @@ enum regulator_type {
  *
  * @enable_time: Time taken for initial enable of regulator (in uS).
  * @off_on_delay: guard time (in uS), before re-enabling a regulator
+ *
+ * @of_map_mode: Maps a hardware mode defined in a DeviceTree to a standard mode
  */
 struct regulator_desc {
         const char *name;
@@ -285,6 +287,8 @@ struct regulator_desc {
         unsigned int enable_time;
 
         unsigned int off_on_delay;
+
+        unsigned int (*of_map_mode)(unsigned int mode);
 };
 
 /**
@@ -301,6 +305,9 @@ struct regulator_desc {
  *           NULL).
  * @regmap: regmap to use for core regmap helpers if dev_get_regulator() 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_gpio_invert: Sense for GPIO enable control.
  * @ena_gpio_flags: Flags to use when calling gpio_request_one()
@@ -312,6 +319,7 @@ struct regulator_config {
         struct device_node *of_node;
         struct regmap *regmap;
 
+        bool ena_gpio_initialized;
         int ena_gpio;
         unsigned int ena_gpio_invert:1;
         unsigned int ena_gpio_flags;