gpio: Update documentation
authorLinus Walleij <linus.walleij@linaro.org>
Sat, 20 Apr 2019 11:03:34 +0000 (13:03 +0200)
committerLinus Walleij <linus.walleij@linaro.org>
Tue, 7 May 2019 14:32:12 +0000 (16:32 +0200)
commit0fbee1df2078fa1f61e2da14f51ceb357c79ae69
tree715caa88379fd755c2ee2fc2c8f60e84a5b0074f
parent7358a821f0b571e824fa531c4f764000eeee320a
gpio: Update documentation

Strictify the language a bit, move things around, make proper
headings, mention pull-up and pull-down, expand unreadable
acronyms etc.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Documentation/driver-api/gpio/driver.rst