xref: /freebsd/sys/contrib/device-tree/Bindings/leds/backlight/ti,lp8864.yaml (revision ae5de77ed78ae54d86cead5604869212e8008e6b)

# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/backlight/ti,lp8864.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Texas Instruments - LP8864/LP8866 4/6-Channel LED Driver family

maintainers:
  - Andrew Davis <afd@ti.com>
  - Alexander Sverdlin <alexander.sverdlin@siemens.com>

description: |
  LP8866-Q1, LP8866S-Q1, LP8864-Q1, LP8864S-Q1 are display LED-backlight drivers
  with 4/6 channels. LED brightness can be controlled globally through the I2C
  interface or PWM input.

  For more product information please see the links below:
    https://www.ti.com/product/LP8864-Q1
    https://www.ti.com/product/LP8864S-Q1
    https://www.ti.com/product/LP8866-Q1
    https://www.ti.com/product/LP8866S-Q1

properties:
  compatible:
    const: ti,lp8864

  reg:
    maxItems: 1
    description: I2C slave address

  enable-gpios:
    maxItems: 1
    description: GPIO pin to enable (active high) / disable the device

  vled-supply:
    description: LED supply

  led:
    type: object
    $ref: common.yaml#
    properties:
      function: true
      color: true
      label: true
      linux,default-trigger: true

    additionalProperties: false

required:
  - compatible
  - reg
  - led

additionalProperties: false

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

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

        led-controller@3a {
            compatible = "ti,lp8864";
            reg = <0x3a>;
            enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
            vled-supply = <&vbatt>;

            led {
                function = LED_FUNCTION_BACKLIGHT;
                color = <LED_COLOR_ID_WHITE>;
                linux,default-trigger = "backlight";
            };
        };
    };

...