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gpiolib: Add and use OF_GPIO_SINGLE_ENDED flag

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The flag matches the DT GPIO_SINGLE_ENDED flag and allows drivers to
parse and use the DT flag to handle single-ended (open-drain or
open-source) GPIOs.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Laurent Pinchart
2015-10-13 00:20:21 +03:00
committed by Linus Walleij
parent 923b93e451
commit 90b665f627
2 changed files with 19 additions and 2 deletions
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include/linux/of_gpio.h
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@@ -29,6 +29,7 @@ struct device_node;
*/
enum of_gpio_flags {
OF_GPIO_ACTIVE_LOW = 0x1,
OF_GPIO_SINGLE_ENDED = 0x2,
};
#ifdef CONFIG_OF_GPIO