dts/bindings/pwm/ite,it8xxx2-pwm.yaml

# Copyright (c) 2021 ITE Corporation. All Rights Reserved.
# SPDX-License-Identifier: Apache-2.0

description: ITE, it8xxx2 Pulse Width Modulator (PWM) node

compatible: "ite,it8xxx2-pwm"

include: [pwm-controller.yaml, base.yaml, pinctrl-device.yaml]

properties:
    reg:
      required: true

    interrupts:
      required: false

    channel:
      type: int
      required: true
      enum:
            - 0
            - 1
            - 2
            - 3
            - 4
            - 5
            - 6
            - 7
      description: |
        0 = PWM_CHANNEL_0, 1 = PWM_CHANNEL_1, 2 = PWM_CHANNEL_2,
        3 = PWM_CHANNEL_3, 4 = PWM_CHANNEL_4, 5 = PWM_CHANNEL_5,
        6 = PWM_CHANNEL_6, 7 = PWM_CHANNEL_7

    pwmctrl:
        type: phandle
        required: true
        description: PWM prescaler controller

    prescaler-cx:
      type: int
      required: true
      enum:
            - 1
            - 2
            - 3
      description: 1 = PWM_PRESCALER_C4, 2 = PWM_PRESCALER_C6, 3 = PWM_PRESCALER_C7

    pwm-output-frequency:
      type: int
      required: false
      description: PWM output frequency for operation

    pinctrl-0:
      required: true

    pinctrl-names:
      required: true

pwm-cells:
  - channel
  - period
  - flags