# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/leds/backlight/ti,lm3533-backlight.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: TI LM3533 high voltage series LED strings

description:
  This is part of the TI LM3533 MFD device. It represents two high voltage series
  LED strings for display backlight controlled by the TI LM3533.

maintainers:
  - Svyatoslav Ryhel <clamor95@gmail.com>

allOf:
  - $ref: /schemas/leds/backlight/common.yaml#

properties:
  compatible:
    const: ti,lm3533-backlight

  reg:
    description: Control bank selection (0 = bank A, 1 = bank B).
    maximum: 1

  led-max-microamp:
    description: maximum current in uA with a 800 uA step.
    minimum: 5000
    maximum: 29800
    default: 5000

  led-sources:
    description: |
      HVLED strings associated with this control bank:
        0 - HVLED1
        1 - HVLED2
    minItems: 1
    maxItems: 2
    items:
      maximum: 1

  ti,pwm-config-mask:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: |
      Control Bank PWM Configuration Register mask that allows to configure
      PWM input in Zones 0-4
      BIT(0) - PWM Input is enabled
      BIT(1) - PWM Input is enabled in Zone 0
      BIT(2) - PWM Input is enabled in Zone 1
      BIT(3) - PWM Input is enabled in Zone 2
      BIT(4) - PWM Input is enabled in Zone 3
      BIT(5) - PWM Input is enabled in Zone 4
    default: 0

  ti,linear-mapping-mode:
    description:
      Enable linear mapping mode. If disabled, then it will use exponential
      mapping mode in which the ramp up/down appears to have a more uniform
      transition to the human eye.
    type: boolean

required:
  - compatible
  - reg

unevaluatedProperties: false

# see ti,lm3533.yaml for an example