12976b179SSimon GuinotBinding for the GPIO extension bus found on some LaCie/Seagate boards 22976b179SSimon Guinot(Example: 2Big/5Big Network v2, 2Big NAS). 32976b179SSimon Guinot 42976b179SSimon GuinotRequired properties: 52976b179SSimon Guinot- compatible: "lacie,netxbig-gpio-ext". 62976b179SSimon Guinot- addr-gpios: GPIOs representing the address register (LSB -> MSB). 72976b179SSimon Guinot- data-gpios: GPIOs representing the data register (LSB -> MSB). 82976b179SSimon Guinot- enable-gpio: latches the new configuration (address, data) on raising edge. 92976b179SSimon Guinot 102976b179SSimon GuinotExample: 112976b179SSimon Guinot 122976b179SSimon Guinotnetxbig_gpio_ext: netxbig-gpio-ext { 132976b179SSimon Guinot compatible = "lacie,netxbig-gpio-ext"; 142976b179SSimon Guinot 152976b179SSimon Guinot addr-gpios = <&gpio1 15 GPIO_ACTIVE_HIGH 162976b179SSimon Guinot &gpio1 16 GPIO_ACTIVE_HIGH 172976b179SSimon Guinot &gpio1 17 GPIO_ACTIVE_HIGH>; 182976b179SSimon Guinot data-gpios = <&gpio1 12 GPIO_ACTIVE_HIGH 192976b179SSimon Guinot &gpio1 13 GPIO_ACTIVE_HIGH 202976b179SSimon Guinot &gpio1 14 GPIO_ACTIVE_HIGH>; 212976b179SSimon Guinot enable-gpio = <&gpio0 29 GPIO_ACTIVE_HIGH>; 222976b179SSimon Guinot}; 23