commit | bbf2478026c0addfff000f31cc1b5639cbff52cb | [log] [tgz] |
---|---|---|
author | Simon Glass <sjg@chromium.org> | Sun Mar 06 19:27:50 2016 -0700 |
committer | Bin Meng <bmeng.cn@gmail.com> | Thu Mar 17 10:27:22 2016 +0800 |
tree | 58db941696e2d4153370d1b25c11579a89dc8dd3 | |
parent | 740d5d34b12f49b5e6c48e06dd8f519d9563a7e3 [diff] |
gpio: Add a function to obtain a GPIO vector value We can use GPIOs as binary digits for reading 'strapping' values. Each GPIO is assigned a single bit and can be set high or low on the circuit board. We already have a legacy function for reading these values. Add one that supports driver model. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com>