tree 1cb7616773a66cc01e9d33d7d52f7afe250b5fac
parent 6537a7cc28fd4879c16bba8f26d4c2ed8578bc62
author Haojian Zhuang <haojian.zhuang@linaro.org> 1453871901 +0800
committer Haojian Zhuang <haojian.zhuang@linaro.org> 1455290352 +0800

gpio: add gpio framework

Define the gpio ops in gpio driver.

Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>