1*4882a593SmuzhiyunBinding for the GPIO extension bus found on some LaCie/Seagate boards 2*4882a593Smuzhiyun(Example: 2Big/5Big Network v2, 2Big NAS). 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunRequired properties: 5*4882a593Smuzhiyun- compatible: "lacie,netxbig-gpio-ext". 6*4882a593Smuzhiyun- addr-gpios: GPIOs representing the address register (LSB -> MSB). 7*4882a593Smuzhiyun- data-gpios: GPIOs representing the data register (LSB -> MSB). 8*4882a593Smuzhiyun- enable-gpio: latches the new configuration (address, data) on raising edge. 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunExample: 11*4882a593Smuzhiyun 12*4882a593Smuzhiyunnetxbig_gpio_ext: netxbig-gpio-ext { 13*4882a593Smuzhiyun compatible = "lacie,netxbig-gpio-ext"; 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH 16*4882a593Smuzhiyun &gpio1 16 GPIO_ACTIVE_HIGH 17*4882a593Smuzhiyun &gpio1 17 GPIO_ACTIVE_HIGH>; 18*4882a593Smuzhiyun data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH 19*4882a593Smuzhiyun &gpio1 13 GPIO_ACTIVE_HIGH 20*4882a593Smuzhiyun &gpio1 14 GPIO_ACTIVE_HIGH>; 21*4882a593Smuzhiyun enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>; 22*4882a593Smuzhiyun}; 23