dts/bindings/tach/nuvoton,npcx-tach.yaml

# Copyright (c) 2021 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0

description: Nuvoton, NPCX-Tachometer node

compatible: "nuvoton,npcx-tach"

include: [tach.yaml, pinctrl-device.yaml]

properties:
    reg:
        required: true
    clocks:
        required: true
    pinctrl-0:
        required: true
    pinctrl-names:
        required: true
    sample-clk:
        type: int
        required: false
        description: |
          sampling clock frequency of tachometer. Please notice that it must be
          fixed to 32768 if bus in clocks property is NPCX_CLOCK_BUS_LFCLK.
    port:
        type: int
        required: false
        description: selected port of tachometer (port-A is 0 and port-B is 1)
    pulses-per-round:
        type: int
        required: false
        description: number of pulses (holes) per round of tachometer's input (encoder)