GPIO_OPEN_DRAIN    29 include/dt-bindings/gpio/gpio.h #define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)
GPIO_OPEN_DRAIN    11 include/linux/gpio/machine.h 	GPIO_OPEN_DRAIN			= (1 << 1),
GPIO_OPEN_DRAIN    29 scripts/dtc/include-prefixes/dt-bindings/gpio/gpio.h #define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)