VAR-SOM-SD600 gpios

GPIOs features

The APQ8064 SoC GPIOs features are as follows

* 90 GPIO pins (GPIO_0 to GPIO_89)

* Configurable pull-up/down

* Configurable output drive current

* Interruptable GPIOs

GPIO manipulation

GPIO manipulation is done through the standard gpiolib

The usage / API is well described in kernel/Documentation/gpio.txt.

Additional useful links:

http://elinux.org/GPIO

https://developer.ridgerun.com/wiki/index.php/Gpio-int-test.c

https://developer.ridgerun.com/wiki/index.php/How_to_use_GPIO_signals

http://mondi.web.cs.unibo.it/gpio_control.html