leds-lt3593.txt

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    1 Bindings for Linear Technologies LT3593 LED controller
    2 
    3 Required properties:
    4 - compatible:           Should be "lltc,lt3593".
    5 - lltc,ctrl-gpios:      A handle to the GPIO that is connected to the 'CTRL'
    6                         pin of the chip.
    7 
    8 The hardware supports only one LED. The properties of this LED are
    9 configured in a sub-node in the device node.
   10 
   11 Optional sub-node properties:
   12 - function:             See Documentation/devicetree/bindings/leds/common.txt
   13 - color:                See Documentation/devicetree/bindings/leds/common.txt
   14 - label:                A label for the LED. If none is given, the LED will be
   15                         named "lt3595::" (deprecated)
   16 - linux,default-trigger: The default trigger for the LED.
   17                         See Documentation/devicetree/bindings/leds/common.txt
   18 - default-state:        The initial state of the LED.
   19                         See Documentation/devicetree/bindings/leds/common.txt
   20 
   21 If multiple chips of this type are found in a design, each one needs to
   22 be handled by its own device node.
   23 
   24 Example:
   25 
   26 #include <dt-bindings/leds/common.h>
   27 
   28 led-controller {
   29         compatible = "lltc,lt3593";
   30         lltc,ctrl-gpios = <&gpio 0 GPIO_ACTIVE_HIGH>;
   31 
   32         led {
   33                 function = LED_FUNCTION_BACKLIGHT;
   34                 color = <LED_COLOR_ID_WHITE>;
   35                 default-state = "on";
   36         };
   37 };

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sys/contrib/device-tree/Bindings/leds/leds-lt3593.txt