dts/bindings/counter/nxp,imx-tmr.yaml

# Copyright (c) 2022 KT-Elektronik, Klaucke und Partner GmbH
# SPDX-License-Identifier: Apache-2.0

description: NXP MCUX Quad Timer Channel. Each channel of each quad timer can operate independently
  and hence will be realized as a separate counter device

compatible: "nxp,imx-tmr"

include: base.yaml

properties:
  label:
    required: true

  channel:
    type: int
    required: true
    enum:
      - 0
      - 1
      - 2
      - 3

  mode:
    type: string
    required: true
    description: counting mode of the timer, see qtmr_counting_mode_t enumerator type
      of the MCUXpresso SDK
    enum:
      - "kQTMR_NoOperation"
      - "kQTMR_PriSrcRiseEdge"
      - "kQTMR_PriSrcRiseAndFallEdge"
      - "kQTMR_PriSrcRiseEdgeSecInpHigh"
      - "kQTMR_QuadCountMode"
      - "kQTMR_PriSrcRiseEdgeSecDir"
      - "kQTMR_SecSrcTrigPriCnt"
      - "kQTMR_CascadeCount"

  primary_source:
    type: string
    required: true
    description: Primary source of the timer, see qtmr_primary_count_source_t enumerator type
      of the MCUXpresso SDK
    enum:
      - "kQTMR_ClockCounter0InputPin"
      - "kQTMR_ClockCounter1InputPin"
      - "kQTMR_ClockCounter2InputPin"
      - "kQTMR_ClockCounter3InputPin"
      - "kQTMR_ClockCounter0Output"
      - "kQTMR_ClockCounter1Output"
      - "kQTMR_ClockCounter2Output"
      - "kQTMR_ClockCounter3Output"
      - "kQTMR_ClockDivide_1"
      - "kQTMR_ClockDivide_2"
      - "kQTMR_ClockDivide_4"
      - "kQTMR_ClockDivide_8"
      - "kQTMR_ClockDivide_16"
      - "kQTMR_ClockDivide_32"
      - "kQTMR_ClockDivide_64"
      - "kQTMR_ClockDivide_128"

  secondary_source:
    type: string
    required: false
    description: Secondary source of the timer, see qtmr_input_source_t enumerator type
      of the MCUXpresso SDK
    enum:
      - "kQTMR_Counter0InputPin"
      - "kQTMR_Counter1InputPin"
      - "kQTMR_Counter2InputPin"
      - "kQTMR_Counter3InputPin"

  filter_count:
    type: int
    required: false
    description: Fault filter count (0-255).

  filter_period:
    type: int
    required: false
    description: Fault filter period (0-255).

  freq:
    type: int
    required: false
    description: clock frequency (only used for external clock sources)