1*2976b179SSimon GuinotBinding for the GPIO extension bus found on some LaCie/Seagate boards 2*2976b179SSimon Guinot(Example: 2Big/5Big Network v2, 2Big NAS). 3*2976b179SSimon Guinot 4*2976b179SSimon GuinotRequired properties: 5*2976b179SSimon Guinot- compatible: "lacie,netxbig-gpio-ext". 6*2976b179SSimon Guinot- addr-gpios: GPIOs representing the address register (LSB -> MSB). 7*2976b179SSimon Guinot- data-gpios: GPIOs representing the data register (LSB -> MSB). 8*2976b179SSimon Guinot- enable-gpio: latches the new configuration (address, data) on raising edge. 9*2976b179SSimon Guinot 10*2976b179SSimon GuinotExample: 11*2976b179SSimon Guinot 12*2976b179SSimon Guinotnetxbig_gpio_ext: netxbig-gpio-ext { 13*2976b179SSimon Guinot compatible = "lacie,netxbig-gpio-ext"; 14*2976b179SSimon Guinot 15*2976b179SSimon Guinot addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH 16*2976b179SSimon Guinot &gpio1 16 GPIO_ACTIVE_HIGH 17*2976b179SSimon Guinot &gpio1 17 GPIO_ACTIVE_HIGH>; 18*2976b179SSimon Guinot data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH 19*2976b179SSimon Guinot &gpio1 13 GPIO_ACTIVE_HIGH 20*2976b179SSimon Guinot &gpio1 14 GPIO_ACTIVE_HIGH>; 21*2976b179SSimon Guinot enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>; 22*2976b179SSimon Guinot}; 23