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Documentation: gpio: Explain that <function>-gpio is also supported

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The GPIO documentation mentions that GPIOs are mapped by defining a
<function>-gpios property in the consumer device's node but a -gpio
sufix is also supported after commit:

dd34c37aa3 ("gpio: of: Allow -gpio suffix for property names")

Update the documentation to match the implementation.

Signed-off-by: Javier Martinez Canillas <javier@osg.samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Javier Martinez Canillas 2015-09-01 10:46:15 +02:00 committed by Linus Walleij
parent 5e606abef5
commit ae80d64ee8
1 changed files with 3 additions and 3 deletions
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6
Documentation/gpio/board.txt
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@ -21,8 +21,8 @@ exact way to do it depends on the GPIO controller providing the GPIOs, see the
device tree bindings for your controller.
GPIOs mappings are defined in the consumer device's node, in a property named
<function>-gpios, where <function> is the function the driver will request
through gpiod_get(). For example:
either <function>-gpios or <function>-gpio, where <function> is the function
the driver will request through gpiod_get(). For example:
foo_device {
compatible = "acme,foo";
@ -31,7 +31,7 @@ through gpiod_get(). For example:
<&gpio 16 GPIO_ACTIVE_HIGH>, /* green */
<&gpio 17 GPIO_ACTIVE_HIGH>; /* blue */
power-gpios = <&gpio 1 GPIO_ACTIVE_LOW>;
power-gpio = <&gpio 1 GPIO_ACTIVE_LOW>;
};
This property will make GPIOs 15, 16 and 17 available to the driver under the