162306a36Sopenharmony_ci* TS-4800 FPGA's GPIO controller bindings 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible: Must be "technologic,ts4800-gpio". 562306a36Sopenharmony_ci- #gpio-cells: Should be two. The first cell is the pin number. 662306a36Sopenharmony_ci- reg: Physical base address of the controller and length 762306a36Sopenharmony_ci of memory mapped region. 862306a36Sopenharmony_ci 962306a36Sopenharmony_ciOptional property: 1062306a36Sopenharmony_ci- ngpios: See "gpio.txt" 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ciExample: 1362306a36Sopenharmony_ci 1462306a36Sopenharmony_cigpio1: gpio { 1562306a36Sopenharmony_ci compatible = "technologic,ts4800-gpio"; 1662306a36Sopenharmony_ci reg = <0x10020 0x6>; 1762306a36Sopenharmony_ci ngpios = <8>; 1862306a36Sopenharmony_ci gpio-controller; 1962306a36Sopenharmony_ci #gpio-cells = <2>; 2062306a36Sopenharmony_ci}; 21