Kernel-4.18.0-80.el8_pl061-gpio

ARM PL061 GPIO controller

Required properties:

  • compatible : “arm,pl061”, “arm,primecell”
  • #gpio-cells : Should be two. The first cell is the pin number and the
    second cell is used to specify optional parameters:
    • bit 0 specifies polarity (0 for normal, 1 for inverted)
  • gpio-controller : Marks the device node as a GPIO controller.
  • interrupts : Interrupt mapping for GPIO IRQ.
  • gpio-ranges : Interaction with the PINCTRL subsystem.