Commit ac123741 authored by Sven Schwermer's avatar Sven Schwermer Committed by Pavel Machek
Browse files

dt-bindings: leds: Add multicolor PWM LED bindings 



This allows to group multiple PWM-connected monochrome LEDs into
multicolor LEDs, e.g. RGB LEDs.

Signed-off-by: default avatarSven Schwermer <sven.schwermer@disruptive-technologies.com>
Reviewed-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarPavel Machek <pavel@ucw.cz>
parent 21c0d13e

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

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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

%YAML 1.2

---

$id: http://devicetree.org/schemas/leds/leds-pwm-multicolor.yaml#

$schema: http://devicetree.org/meta-schemas/core.yaml#



title: Multi-color LEDs connected to PWM



maintainers:

  - Sven Schwermer <sven.schwermer@disruptive-technologies.com>



description: |

  This driver combines several monochrome PWM LEDs into one multi-color

  LED using the multicolor LED class.



properties:

  compatible:

    const: pwm-leds-multicolor



  multi-led:

    type: object



    patternProperties:

      "^led-[0-9a-z]+$":

        type: object

        $ref: common.yaml#



        additionalProperties: false



        properties:

          pwms:

            maxItems: 1



          pwm-names: true



          color: true



        required:

          - pwms

          - color



required:

  - compatible



allOf:

  - $ref: leds-class-multicolor.yaml#



additionalProperties: false



examples:

  - |

    #include <dt-bindings/leds/common.h>



    led-controller {

        compatible = "pwm-leds-multicolor";



        multi-led {

          color = <LED_COLOR_ID_RGB>;

          function = LED_FUNCTION_INDICATOR;

          max-brightness = <65535>;



          led-red {

              pwms = <&pwm1 0 1000000>;

              color = <LED_COLOR_ID_RED>;

          };



          led-green {

              pwms = <&pwm2 0 1000000>;

              color = <LED_COLOR_ID_GREEN>;

          };



          led-blue {

              pwms = <&pwm3 0 1000000>;

              color = <LED_COLOR_ID_BLUE>;

          };

        };

    };



...