1# Copyright (c) 2021 Nuvoton Technology Corporation.
2# SPDX-License-Identifier: Apache-2.0
3
4description: Nuvoton, NPCX-Tachometer node
5
6compatible: "nuvoton,npcx-tach"
7
8include: [tach.yaml, pinctrl-device.yaml]
9
10properties:
11  reg:
12    required: true
13  clocks:
14    required: true
15  pinctrl-0:
16    required: true
17  pinctrl-names:
18    required: true
19  sample-clk:
20    type: int
21    description: |
22      sampling clock frequency of tachometer. Please notice that it must be
23      fixed to 32768 if bus in clocks property is NPCX_CLOCK_BUS_LFCLK.
24  port:
25    type: int
26    description: selected port of tachometer (port-A is 0 and port-B is 1)
27  pulses-per-round:
28    type: int
29    description: number of pulses (holes) per round of tachometer's input (encoder)
30