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     1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/leds/regulator-led.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Device Tree Bindings for Regulator LEDs
    8 
    9 maintainers:
   10   - Linus Walleij <linus.walleij@linaro.org>
   11 
   12 description: |
   13   Regulator LEDs are powered by a single regulator such that they can
   14   be turned on or off by enabling or disabling the regulator. The available
   15   brightness settings will be inferred from the available voltages on the
   16   regulator, and any constraints on the voltage or current will need to be
   17   specified on the regulator.
   18 
   19 allOf:
   20   - $ref: common.yaml#
   21 
   22 properties:
   23   $nodename:
   24     pattern: '^led.*$'
   25 
   26   compatible:
   27     const: regulator-led
   28 
   29   vled-supply:
   30     description:
   31       The regulator controlling the current to the LED.
   32 
   33   function: true
   34   color: true
   35   linux,default-trigger: true
   36   default-state: true
   37 
   38 required:
   39   - compatible
   40   - vled-supply
   41 
   42 additionalProperties: false
   43 
   44 examples:
   45   - |
   46     #include <dt-bindings/leds/common.h>
   47 
   48     led-heartbeat {
   49         compatible = "regulator-led";
   50         vled-supply = <®ulator>;
   51         function = LED_FUNCTION_STATUS;
   52         color = <LED_COLOR_ID_BLUE>;
   53         linux,default-trigger = "heartbeat";
   54     };
   55 ...
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