1*c66ec88fSEmmanuel VadotBinding for the GPIO extension bus found on some LaCie/Seagate boards 2*c66ec88fSEmmanuel Vadot(Example: 2Big/5Big Network v2, 2Big NAS). 3*c66ec88fSEmmanuel Vadot 4*c66ec88fSEmmanuel VadotRequired properties: 5*c66ec88fSEmmanuel Vadot- compatible: "lacie,netxbig-gpio-ext". 6*c66ec88fSEmmanuel Vadot- addr-gpios: GPIOs representing the address register (LSB -> MSB). 7*c66ec88fSEmmanuel Vadot- data-gpios: GPIOs representing the data register (LSB -> MSB). 8*c66ec88fSEmmanuel Vadot- enable-gpio: latches the new configuration (address, data) on raising edge. 9*c66ec88fSEmmanuel Vadot 10*c66ec88fSEmmanuel VadotExample: 11*c66ec88fSEmmanuel Vadot 12*c66ec88fSEmmanuel Vadotnetxbig_gpio_ext: netxbig-gpio-ext { 13*c66ec88fSEmmanuel Vadot compatible = "lacie,netxbig-gpio-ext"; 14*c66ec88fSEmmanuel Vadot 15*c66ec88fSEmmanuel Vadot addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH 16*c66ec88fSEmmanuel Vadot &gpio1 16 GPIO_ACTIVE_HIGH 17*c66ec88fSEmmanuel Vadot &gpio1 17 GPIO_ACTIVE_HIGH>; 18*c66ec88fSEmmanuel Vadot data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH 19*c66ec88fSEmmanuel Vadot &gpio1 13 GPIO_ACTIVE_HIGH 20*c66ec88fSEmmanuel Vadot &gpio1 14 GPIO_ACTIVE_HIGH>; 21*c66ec88fSEmmanuel Vadot enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>; 22*c66ec88fSEmmanuel Vadot}; 23