Documentation/devicetree/bindings/leds/leds-pwm-multicolor.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Multi-color LEDs connected to PWM
   8
   9 maintainers:
  10   - Sven Schwermer <sven.schwermer@disruptive-technologies.com>
  11
  12 description: |
  13   This driver combines several monochrome PWM LEDs into one multi-color
  14   LED using the multicolor LED class.
  15
  16 properties:
  17   compatible:
  18     const: pwm-leds-multicolor
  19
  20   multi-led:
  21     type: object
  22
  23     patternProperties:
  24       "^led-[0-9a-z]+$":
  25         type: object
  26         $ref: common.yaml#
  27
  28         additionalProperties: false
  29
  30         properties:
  31           pwms:
  32             maxItems: 1
  33
  34           pwm-names: true
  35
  36           color: true
  37
  38         required:
  39           - pwms
  40           - color
  41
  42 required:
  43   - compatible
  44
  45 allOf:
  46   - $ref: leds-class-multicolor.yaml#
  47
  48 additionalProperties: false
  49
  50 examples:
  51   - |
  52     #include <dt-bindings/leds/common.h>
  53
  54     led-controller {
  55         compatible = "pwm-leds-multicolor";
  56
  57         multi-led {
  58           color = <LED_COLOR_ID_RGB>;
  59           function = LED_FUNCTION_INDICATOR;
  60           max-brightness = <65535>;
  61
  62           led-red {
  63               pwms = <&pwm1 0 1000000>;
  64               color = <LED_COLOR_ID_RED>;
  65           };
  66
  67           led-green {
  68               pwms = <&pwm2 0 1000000>;
  69               color = <LED_COLOR_ID_GREEN>;
  70           };
  71
  72           led-blue {
  73               pwms = <&pwm3 0 1000000>;
  74               color = <LED_COLOR_ID_BLUE>;
  75           };
  76         };
  77     };
  78
  79 ...