1b9dd6915SOleh KravchenkoCrane Merchandising System - cr0014114 LED driver 2b9dd6915SOleh Kravchenko------------------------------------------------- 3b9dd6915SOleh Kravchenko 4b9dd6915SOleh KravchenkoThis LED Board is widely used in vending machines produced 5b9dd6915SOleh Kravchenkoby Crane Merchandising Systems. 6b9dd6915SOleh Kravchenko 7b9dd6915SOleh KravchenkoRequired properties: 8b9dd6915SOleh Kravchenko- compatible: "crane,cr0014114" 9b9dd6915SOleh Kravchenko 10b9dd6915SOleh KravchenkoProperty rules described in Documentation/devicetree/bindings/spi/spi-bus.txt 11b9dd6915SOleh Kravchenkoapply. In particular, "reg" and "spi-max-frequency" properties must be given. 12b9dd6915SOleh Kravchenko 13b9dd6915SOleh KravchenkoLED sub-node properties: 14b9dd6915SOleh Kravchenko- label : 15b9dd6915SOleh Kravchenko see Documentation/devicetree/bindings/leds/common.txt 16b9dd6915SOleh Kravchenko- linux,default-trigger : (optional) 17b9dd6915SOleh Kravchenko see Documentation/devicetree/bindings/leds/common.txt 18b9dd6915SOleh Kravchenko 19b9dd6915SOleh KravchenkoExample 20b9dd6915SOleh Kravchenko------- 21b9dd6915SOleh Kravchenko 22b9dd6915SOleh Kravchenkoled-controller@0 { 23b9dd6915SOleh Kravchenko compatible = "crane,cr0014114"; 24b9dd6915SOleh Kravchenko reg = <0>; 25b9dd6915SOleh Kravchenko spi-max-frequency = <50000>; 26b9dd6915SOleh Kravchenko #address-cells = <1>; 27b9dd6915SOleh Kravchenko #size-cells = <0>; 28b9dd6915SOleh Kravchenko 29b9dd6915SOleh Kravchenko led@0 { 30b9dd6915SOleh Kravchenko reg = <0>; 31b9dd6915SOleh Kravchenko label = "red:coin"; 32b9dd6915SOleh Kravchenko }; 33b9dd6915SOleh Kravchenko led@1 { 34b9dd6915SOleh Kravchenko reg = <1>; 35b9dd6915SOleh Kravchenko label = "green:coin"; 36b9dd6915SOleh Kravchenko }; 37b9dd6915SOleh Kravchenko led@2 { 38b9dd6915SOleh Kravchenko reg = <2>; 39b9dd6915SOleh Kravchenko label = "blue:coin"; 40b9dd6915SOleh Kravchenko }; 41b9dd6915SOleh Kravchenko led@3 { 42b9dd6915SOleh Kravchenko reg = <3>; 43b9dd6915SOleh Kravchenko label = "red:bill"; 44b9dd6915SOleh Kravchenko }; 45b9dd6915SOleh Kravchenko led@4 { 46b9dd6915SOleh Kravchenko reg = <4>; 47b9dd6915SOleh Kravchenko label = "green:bill"; 48b9dd6915SOleh Kravchenko }; 49b9dd6915SOleh Kravchenko led@5 { 50b9dd6915SOleh Kravchenko reg = <5>; 51b9dd6915SOleh Kravchenko label = "blue:bill"; 52b9dd6915SOleh Kravchenko }; 53b9dd6915SOleh Kravchenko ... 54b9dd6915SOleh Kravchenko}; 55