GPIO

Zynq UltraScale plus MPSoC Power Management

Release Date
2022-07-26

The required kernel configuration options are:

  • Device Drivers
    • [*] GPIO Support
      • [*] /sys/class/gpio/... (sysfs interface)
      • Memory mapped GPIO drivers
        • [*] Xilinx GPIO support
        • [*] Xilinx Zynq GPIO support

To wake up the APU on the GPIO pin:

$ echo enabled > /sys/devices/platform/gpio-keys/power/wakeup