1Crane Merchandising System - cr0014114 LED driver 2------------------------------------------------- 3 4This LED Board is widely used in vending machines produced 5by Crane Merchandising Systems. 6 7Required properties: 8- compatible: "crane,cr0014114" 9 10Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt 11apply. In particular, "reg" and "spi-max-frequency" properties must be given. 12 13LED sub-node properties: 14- label : 15 see Documentation/devicetree/bindings/leds/common.txt 16- linux,default-trigger : (optional) 17 see Documentation/devicetree/bindings/leds/common.txt 18 19Example 20------- 21 22led-controller@0 { 23 compatible = "crane,cr0014114"; 24 reg = <0>; 25 spi-max-frequency = <50000>; 26 #address-cells = <1>; 27 #size-cells = <0>; 28 29 led@0 { 30 reg = <0>; 31 label = "red:coin"; 32 }; 33 led@1 { 34 reg = <1>; 35 label = "green:coin"; 36 }; 37 led@2 { 38 reg = <2>; 39 label = "blue:coin"; 40 }; 41 led@3 { 42 reg = <3>; 43 label = "red:bill"; 44 }; 45 led@4 { 46 reg = <4>; 47 label = "green:bill"; 48 }; 49 led@5 { 50 reg = <5>; 51 label = "blue:bill"; 52 }; 53 ... 54}; 55