1 Crane Merchandising System - cr0014114 LED driver
2 -------------------------------------------------
3
4 This LED Board is widely used in vending machines produced
5 by Crane Merchandising Systems.
6
7 Required properties:
8 - compatible: "crane,cr0014114"
9
10 Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
11 apply. In particular, "reg" and "spi-max-frequency" properties must be given.
12
13 LED sub-node properties:
14 - function :
15 see Documentation/devicetree/bindings/leds/common.txt
16 - color :
17 see Documentation/devicetree/bindings/leds/common.txt
18 - label :
19 see Documentation/devicetree/bindings/leds/common.txt (deprecated)
20 - linux,default-trigger : (optional)
21 see Documentation/devicetree/bindings/leds/common.txt
22
23 Example
24 -------
25
26 #include <dt-bindings/leds/common.h>
27
28 led-controller@0 {
29 compatible = "crane,cr0014114";
30 reg = <0>;
31 spi-max-frequency = <50000>;
32 #address-cells = <1>;
33 #size-cells = <0>;
34
35 led@0 {
36 reg = <0>;
37 function = "coin";
38 color = <LED_COLOR_ID_RED>;
39 };
40 led@1 {
41 reg = <1>;
42 function = "coin";
43 color = <LED_COLOR_ID_GREEN>;
44 };
45 led@2 {
46 reg = <2>;
47 function = "coin";
48 color = <LED_COLOR_ID_BLUE>;
49 };
50 led@3 {
51 reg = <3>;
52 function = "bill";
53 color = <LED_COLOR_ID_RED>;
54 };
55 led@4 {
56 reg = <4>;
57 function = "bill";
58 color = <LED_COLOR_ID_GREEN>;
59 };
60 led@5 {
61 reg = <5>;
62 function = "bill";
63 color = <LED_COLOR_ID_BLUE>;
64 };
65 ...
66 };
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