55 lines
1 KiB
Plaintext
55 lines
1 KiB
Plaintext
Crane Merchandising System - cr0014114 LED driver
|
|
-------------------------------------------------
|
|
|
|
This LED Board is widely used in vending machines produced
|
|
by Crane Merchandising Systems.
|
|
|
|
Required properties:
|
|
- compatible: "crane,cr0014114"
|
|
|
|
Property rules described in Documentation/devicetree/bindings/spi/spi-bus.txt
|
|
apply. In particular, "reg" and "spi-max-frequency" properties must be given.
|
|
|
|
LED sub-node properties:
|
|
- label :
|
|
see Documentation/devicetree/bindings/leds/common.txt
|
|
- linux,default-trigger : (optional)
|
|
see Documentation/devicetree/bindings/leds/common.txt
|
|
|
|
Example
|
|
-------
|
|
|
|
led-controller@0 {
|
|
compatible = "crane,cr0014114";
|
|
reg = <0>;
|
|
spi-max-frequency = <50000>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
led@0 {
|
|
reg = <0>;
|
|
label = "red:coin";
|
|
};
|
|
led@1 {
|
|
reg = <1>;
|
|
label = "green:coin";
|
|
};
|
|
led@2 {
|
|
reg = <2>;
|
|
label = "blue:coin";
|
|
};
|
|
led@3 {
|
|
reg = <3>;
|
|
label = "red:bill";
|
|
};
|
|
led@4 {
|
|
reg = <4>;
|
|
label = "green:bill";
|
|
};
|
|
led@5 {
|
|
reg = <5>;
|
|
label = "blue:bill";
|
|
};
|
|
...
|
|
};
|