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-rw-r--r--include/linux/gpio.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/gpio.h b/include/linux/gpio.h
index ed5a467..6155ecf 100644
--- a/include/linux/gpio.h
+++ b/include/linux/gpio.h
@@ -14,6 +14,12 @@
#define GPIOF_OUT_INIT_LOW (GPIOF_DIR_OUT | GPIOF_INIT_LOW)
#define GPIOF_OUT_INIT_HIGH (GPIOF_DIR_OUT | GPIOF_INIT_HIGH)
+/* Gpio pin is open drain */
+#define GPIOF_OPEN_DRAIN (1 << 2)
+
+/* Gpio pin is open source */
+#define GPIOF_OPEN_SOURCE (1 << 3)
+
/**
* struct gpio - a structure describing a GPIO with configuration
* @gpio: the GPIO number