162306a36Sopenharmony_ciZevio GPIO controller 262306a36Sopenharmony_ci 362306a36Sopenharmony_ciRequired properties: 462306a36Sopenharmony_ci- compatible: Should be "lsi,zevio-gpio" 562306a36Sopenharmony_ci- reg: Address and length of the register set for the device 662306a36Sopenharmony_ci- #gpio-cells: Should be two. The first cell is the pin number and the 762306a36Sopenharmony_ci second cell is used to specify optional parameters (currently unused). 862306a36Sopenharmony_ci- gpio-controller: Marks the device node as a GPIO controller. 962306a36Sopenharmony_ci 1062306a36Sopenharmony_ciExample: 1162306a36Sopenharmony_ci gpio: gpio@90000000 { 1262306a36Sopenharmony_ci compatible = "lsi,zevio-gpio"; 1362306a36Sopenharmony_ci reg = <0x90000000 0x1000>; 1462306a36Sopenharmony_ci gpio-controller; 1562306a36Sopenharmony_ci #gpio-cells = <2>; 1662306a36Sopenharmony_ci }; 17