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Documentation: gpio: driver: fix wire name for I2C

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Typo: the data line is called "SDA" not "SCA".

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
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Wolfram Sang 2019-01-17 11:13:21 +01:00 committed by Bartosz Golaszewski
parent 0faf40e373
commit f3463daab2
1 changed files with 1 additions and 1 deletions
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Documentation/driver-api/gpio/driver.rst
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@ -135,7 +135,7 @@ This configuration is normally used as a way to achieve one of two things:
- inverse wire-OR on an I/O line, for example a GPIO line, making it possible - inverse wire-OR on an I/O line, for example a GPIO line, making it possible
for any driving stage on the line to drive it low even if any other output for any driving stage on the line to drive it low even if any other output
to the same line is simultaneously driving it high. A special case of this to the same line is simultaneously driving it high. A special case of this
is driving the SCL and SCA lines of an I2C bus, which is by definition a is driving the SCL and SDA lines of an I2C bus, which is by definition a
wire-OR bus. wire-OR bus.
Both usecases require that the line be equipped with a pull-up resistor. This Both usecases require that the line be equipped with a pull-up resistor. This