1LEDs connected to tca6507 2 3Required properties: 4- compatible : should be : "ti,tca6507". 5- #address-cells: must be 1 6- #size-cells: must be 0 7- reg: typically 0x45. 8 9Optional properties: 10- gpio-controller: allows lines to be used as output-only GPIOs. 11- #gpio-cells: if present, must not be 0. 12 13Each led is represented as a sub-node of the ti,tca6507 device. 14 15LED sub-node properties: 16- label : (optional) see Documentation/devicetree/bindings/leds/common.txt 17- reg : number of LED line (could be from 0 to 6) 18- linux,default-trigger : (optional) 19 see Documentation/devicetree/bindings/leds/common.txt 20- compatible: either "led" (the default) or "gpio". 21 22Examples: 23 24tca6507@45 { 25 compatible = "ti,tca6507"; 26 #address-cells = <1>; 27 #size-cells = <0>; 28 reg = <0x45>; 29 30 gpio-controller; 31 #gpio-cells = <2>; 32 33 led0: red-aux@0 { 34 label = "red:aux"; 35 reg = <0x0>; 36 }; 37 38 led1: green-aux@1 { 39 label = "green:aux"; 40 reg = <0x5>; 41 linux,default-trigger = "default-on"; 42 }; 43 44 wifi-reset@6 { 45 reg = <0x6>; 46 compatible = "gpio"; 47 }; 48}; 49 50