Documentation/devicetree/bindings/leds/backlight/ti,lp8864.yaml

Source file repositories/reference/linux-study-clean/Documentation/devicetree/bindings/leds/backlight/ti,lp8864.yaml

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System
Linux kernel
Corpus path
Documentation/devicetree/bindings/leds/backlight/ti,lp8864.yaml
Extension
.yaml
Size
1860 bytes
Lines
81
Domain
Support Tooling And Documentation
Bucket
Documentation
Inferred role
Support Tooling And Documentation: configuration, schema, or hardware description
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

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Annotated Snippet

# 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>;

Annotation

Implementation Notes