freebsd-dev/sys/dev/gpio
Oleksandr Tymoshenko 40ebf1626f Add GPIO backlight driver compatible with Linux FDT bindings.
Brightness is controlled through sysctl dev.gpiobacklight.X.brightness:
  - any value greater than 0: backlight is on
  - any value less than or equal to  0: backlight is off

FDT bindings docs in Linux tree:
    Documentation/devicetree/bindings/video/backlight/gpio-backlight.txt
2015-07-30 19:04:14 +00:00
..
gpio_if.m Implement a new method to retrieve the gpiobus reference from a GPIO 2015-01-31 15:50:19 +00:00
gpiobacklight.c Add GPIO backlight driver compatible with Linux FDT bindings. 2015-07-30 19:04:14 +00:00
gpiobus_if.m Add a new ioctl to allow the setting of GPIO pin names. 2015-03-08 00:47:50 +00:00
gpiobus.c Panic when a device is trying to recursively acquire rather than hang 2015-07-24 04:56:46 +00:00
gpiobusvar.h Add a new ioctl to allow the setting of GPIO pin names. 2015-03-08 00:47:50 +00:00
gpioc.c Add a new ioctl to allow the setting of GPIO pin names. 2015-03-08 00:47:50 +00:00
gpioiic.c Fix the gpiobus locking by using a more sane model where it isn't necessary 2014-10-31 19:15:14 +00:00
gpioled.c This implements default-state support as described in: 2015-05-24 07:45:42 +00:00
ofw_gpiobus.c Use ofw_bus_find_child_device_by_phandle to see if the child we're 2015-06-20 04:48:53 +00:00