xref: /openbmc/linux/Documentation/devicetree/bindings/leds/leds-aw2013.yaml (revision 9422bcf1)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/leds-aw2013.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: AWINIC AW2013 3-channel LED Driver

maintainers:
  - Nikita Travkin <nikitos.tr@gmail.com>

description: |
  The AW2013 is a 3-channel LED driver with I2C interface. It can control
  LED brightness with PWM output.

properties:
  compatible:
    const: awinic,aw2013

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1
    description: Open-drain, low active interrupt pin "INTN".
      Used to report completion of operations (power up, LED breath effects).

  vcc-supply:
    description: Regulator providing power to the "VCC" pin.

  "#address-cells":
    const: 1

  "#size-cells":
    const: 0

patternProperties:
  "^led@[0-2]$":
    type: object
    $ref: common.yaml#
    unevaluatedProperties: false

    properties:
      reg:
        description: Index of the LED.
        minimum: 0
        maximum: 2

required:
  - compatible
  - reg
  - "#address-cells"
  - "#size-cells"

additionalProperties: false

examples:
  - |
    #include <dt-bindings/gpio/gpio.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    #include <dt-bindings/leds/common.h>

    i2c {
        #address-cells = <1>;
        #size-cells = <0>;

        led-controller@45 {
            compatible = "awinic,aw2013";
            reg = <0x45>;
            interrupts = <42 IRQ_TYPE_LEVEL_LOW>;
            #address-cells = <1>;
            #size-cells = <0>;

            vcc-supply = <&pm8916_l17>;

            led@0 {
                reg = <0>;
                led-max-microamp = <5000>;
                function = LED_FUNCTION_INDICATOR;
                color = <LED_COLOR_ID_RED>;
            };

            led@1 {
                reg = <1>;
                led-max-microamp = <5000>;
                function = LED_FUNCTION_INDICATOR;
                color = <LED_COLOR_ID_GREEN>;
            };

            led@2 {
                reg = <2>;
                led-max-microamp = <5000>;
                function = LED_FUNCTION_INDICATOR;
                color = <LED_COLOR_ID_BLUE>;
            };
        };
    };
...