Cavium ThunderX/OCTEON-TX GPIO controller bindings Required Properties: - reg: The controller bus address. - gpio-controller: Marks the device node as a GPIO controller. - #gpio-cells: Must be 2. - First cell is the GPIO pin number relative to the controller. - Second cell is a standard generic flag bitfield as described in gpio.txt. Optional Properties: - compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used. - interrupt-controller: Marks the device node as an interrupt controller. - #interrupt-cells: Must be present and have value of 2 if "interrupt-controller" is present. - First cell is the GPIO pin number relative to the controller. - Second cell is triggering flags as defined in interrupts.txt. Example: gpio_6_0: gpio@6,0 { compatible = "cavium,thunder-8890-gpio"; reg = <0x3000 0 0 0 0>; /* DEVFN = 0x30 (6:0) */ gpio-controller; #gpio-cells = <2>; interrupt-controller; #interrupt-cells = <2>; };