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(parent: 740d5d3) | patch
gpio: Add a function to obtain a GPIO vector value
authorSimon Glass <sjg@chromium.org>
Mon, 7 Mar 2016 02:27:50 +0000 (19:27 -0700)
committerBin Meng <bmeng.cn@gmail.com>
Thu, 17 Mar 2016 02:27:22 +0000 (10:27 +0800)
commitbbf2478026c0addfff000f31cc1b5639cbff52cb
tree58db941696e2d4153370d1b25c11579a89dc8dd3tree | snapshot
parent740d5d34b12f49b5e6c48e06dd8f519d9563a7e3commit | 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>
drivers/gpio/gpio-uclass.c diff | blob | history
include/asm-generic/gpio.h diff | blob | history
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