162306a36Sopenharmony_ciCavium ThunderX/OCTEON-TX GPIO controller bindings 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired Properties: 462306a36Sopenharmony_ci- reg: The controller bus address. 562306a36Sopenharmony_ci- gpio-controller: Marks the device node as a GPIO controller. 662306a36Sopenharmony_ci- #gpio-cells: Must be 2. 762306a36Sopenharmony_ci - First cell is the GPIO pin number relative to the controller. 862306a36Sopenharmony_ci - Second cell is a standard generic flag bitfield as described in gpio.txt. 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciOptional Properties: 1162306a36Sopenharmony_ci- compatible: "cavium,thunder-8890-gpio", unused as PCI driver binding is used. 1262306a36Sopenharmony_ci- interrupt-controller: Marks the device node as an interrupt controller. 1362306a36Sopenharmony_ci- #interrupt-cells: Must be present and have value of 2 if 1462306a36Sopenharmony_ci "interrupt-controller" is present. 1562306a36Sopenharmony_ci - First cell is the GPIO pin number relative to the controller. 1662306a36Sopenharmony_ci - Second cell is triggering flags as defined in interrupts.txt. 1762306a36Sopenharmony_ci 1862306a36Sopenharmony_ciExample: 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_cigpio_6_0: gpio@6,0 { 2162306a36Sopenharmony_ci compatible = "cavium,thunder-8890-gpio"; 2262306a36Sopenharmony_ci reg = <0x3000 0 0 0 0>; /* DEVFN = 0x30 (6:0) */ 2362306a36Sopenharmony_ci gpio-controller; 2462306a36Sopenharmony_ci #gpio-cells = <2>; 2562306a36Sopenharmony_ci interrupt-controller; 2662306a36Sopenharmony_ci #interrupt-cells = <2>; 2762306a36Sopenharmony_ci}; 28