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Diffstat (limited to 'include/linux/regulator/fixed.h')
-rw-r--r--include/linux/regulator/fixed.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/regulator/fixed.h b/include/linux/regulator/fixed.h
index 936a7d8c11a9..f83f7440b488 100644
--- a/include/linux/regulator/fixed.h
+++ b/include/linux/regulator/fixed.h
@@ -26,6 +26,12 @@ struct regulator_init_data;
* @gpio: GPIO to use for enable control
* set to -EINVAL if not used
* @startup_delay: Start-up time in microseconds
+ * @gpio_is_open_drain: Gpio pin is open drain or normal type.
+ * If it is open drain type then HIGH will be set
+ * through PULL-UP with setting gpio as input
+ * and low will be set as gpio-output with driven
+ * to low. For non-open-drain case, the gpio will
+ * will be in output and drive to low/high accordingly.
* @enable_high: Polarity of enable GPIO
* 1 = Active high, 0 = Active low
* @enabled_at_boot: Whether regulator has been enabled at
@@ -43,6 +49,7 @@ struct fixed_voltage_config {
int microvolts;
int gpio;
unsigned startup_delay;
+ unsigned gpio_is_open_drain:1;
unsigned enable_high:1;
unsigned enabled_at_boot:1;
struct regulator_init_data *init_data;