tree 5711139a2c8ac806edac04863d7f3e20df9facc3
parent 26a48c4cc2f15d516513e4a980a8a63a21aff018
author Bamvor Jian Zhang <bamvor.zhangjian@linaro.org> 1476413305 +0800
committer Linus Walleij <linus.walleij@linaro.org> 1477319591 +0200

tools/gpio: add gpio basic opereations

Add basic gpio operations. User could get/set gpio value for specific
line of gpiochip.

Reference "tools/gpio/gpio-hammer.c" or
"tools/testing/selftest/gpio/gpio-mockup-chardev.c" for how to use it.

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
Reviewed-by: Michael Welling <mwelling@ieee.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>