1 Crane Merchandising System - EL15203000 LED driver
2 --------------------------------------------------
4 This LED Board (aka RED LEDs board) is widely used in
5 coffee vending machines produced by Crane Merchandising Systems.
6 The board manages 3 LEDs and supports predefined blinking patterns
9 Vending area LED encoded with symbol 'V' (hex code 0x56).
10 Doesn't have any hardware blinking pattern.
12 Screen light tube LED which surrounds vending machine screen and
13 encoded with symbol 'S' (hex code 0x53). Supports blinking breathing pattern.
15 Water Pipe LED encoded with symbol 'P' (hex code 0x50) and
16 actually consists of 5 LEDs that exposed by protocol like one LED.
17 Supports next patterns:
19 - inversed cascade pattern
21 - inversed bounce pattern
24 - compatible : "crane,el15203000"
25 - #address-cells : must be 1
26 - #size-cells : must be 0
28 Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
29 apply. In particular, "reg" and "spi-max-frequency" properties must be given.
31 Optional LED sub-node properties:
33 see Documentation/devicetree/bindings/leds/common.txt
35 see Documentation/devicetree/bindings/leds/common.txt
40 #include <dt-bindings/leds/common.h>
43 compatible = "crane,el15203000";
45 spi-max-frequency = <50000>;
53 color = <LED_COLOR_ID_RED>;
60 color = <LED_COLOR_ID_RED>;
67 color = <LED_COLOR_ID_RED>;