Documentation/devicetree/bindings/leds/leds-an30259a.txt

   1 * Panasonic AN30259A 3-channel LED driver
   2
   3 The AN30259A is a LED controller capable of driving three LEDs independently. It supports
   4 constant current output and sloping current output modes. The chip is connected over I2C.
   5
   6 Required properties:
   7         - compatible: Must be "panasonic,an30259a".
   8         - reg: I2C slave address.
   9         - #address-cells: Must be 1.
  10         - #size-cells: Must be 0.
  11
  12 Each LED is represented as a sub-node of the panasonic,an30259a node.
  13
  14 Required sub-node properties:
  15         - reg: Pin that the LED is connected to. Must be 1, 2, or 3.
  16
  17 Optional sub-node properties:
  18         - function :
  19                 see Documentation/devicetree/bindings/leds/common.txt
  20         - color :
  21                 see Documentation/devicetree/bindings/leds/common.txt
  22         - label :
  23                 see Documentation/devicetree/bindings/leds/common.txt (deprecated)
  24         - linux,default-trigger :
  25                 see Documentation/devicetree/bindings/leds/common.txt
  26
  27 Example:
  28
  29 #include <dt-bindings/leds/common.h>
  30
  31 led-controller@30 {
  32         compatible = "panasonic,an30259a";
  33         reg = <0x30>;
  34         #address-cells = <1>;
  35         #size-cells = <0>;
  36
  37         led@1 {
  38                 reg = <1>;
  39                 linux,default-trigger = "heartbeat";
  40                 function = LED_FUNCTION_INDICATOR;
  41                 color = <LED_COLOR_ID_RED>;
  42         };
  43
  44         led@2 {
  45                 reg = <2>;
  46                 function = LED_FUNCTION_INDICATOR;
  47                 color = <LED_COLOR_ID_GREEN>;
  48         };
  49
  50         led@3 {
  51                 reg = <3>;
  52                 function = LED_FUNCTION_INDICATOR;
  53                 color = <LED_COLOR_ID_BLUE>;
  54         };
  55 };