--- zzzz-none-000/linux-3.10.107/include/linux/regulator/max8973-regulator.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/linux/regulator/max8973-regulator.h	2021-02-04 17:41:59.000000000 +0000
@@ -58,6 +58,9 @@
  *		control signal from EN input pin. If it is false then
  *		voltage output will be enabled/disabled through EN bit of
  *		device register.
+ * @enable_gpio: Enable GPIO. If EN pin is controlled through GPIO from host
+ *		then GPIO number can be provided. If no GPIO controlled then
+ *		it should be -1.
  * @dvs_gpio: GPIO for dvs. It should be -1 if this is tied with fixed logic.
  * @dvs_def_state: Default state of dvs. 1 if it is high else 0.
  */
@@ -65,6 +68,7 @@
 	struct regulator_init_data *reg_init_data;
 	unsigned long control_flags;
 	bool enable_ext_control;
+	int enable_gpio;
 	int dvs_gpio;
 	unsigned dvs_def_state:1;
 };