1*4882a593SmuzhiyunZevio GPIO controller 2*4882a593Smuzhiyun 3*4882a593SmuzhiyunRequired properties: 4*4882a593Smuzhiyun- compatible: Should be "lsi,zevio-gpio" 5*4882a593Smuzhiyun- reg: Address and length of the register set for the device 6*4882a593Smuzhiyun- #gpio-cells: Should be two. The first cell is the pin number and the 7*4882a593Smuzhiyun second cell is used to specify optional parameters (currently unused). 8*4882a593Smuzhiyun- gpio-controller: Marks the device node as a GPIO controller. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunExample: 11*4882a593Smuzhiyun gpio: gpio@90000000 { 12*4882a593Smuzhiyun compatible = "lsi,zevio-gpio"; 13*4882a593Smuzhiyun reg = <0x90000000 0x1000>; 14*4882a593Smuzhiyun gpio-controller; 15*4882a593Smuzhiyun #gpio-cells = <2>; 16*4882a593Smuzhiyun }; 17