Documentation/devicetree/bindings/leds/leds-cr0014114.txt

   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 };