| # Copyright (c) 2021 Nuvoton Technology Corporation. |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| description: Nuvoton NCT38XX series I2C-based GPIO expander port |
| |
| compatible: "nuvoton,nct38xx-gpio-port" |
| |
| include: [gpio-controller.yaml, base.yaml] |
| |
| properties: |
| reg: |
| required: true |
| |
| pin_mask: |
| type: int |
| required: true |
| description: | |
| Not every GPIOs are usable for different NCT38XX series. This property |
| indicates the usable GPIO mask. |
| |
| NCT3808: <0xdc> |
| others: <0xff> |
| |
| pinmux_mask: |
| type: int |
| required: false |
| description: | |
| NCT38XX series port 0 has Pin Multiplexing functionality. However, not |
| every GPIOs have pinmux controller functionality. This property |
| indicates the usable GPIO pinmux mask. For port 1, this property is |
| ignored. |
| |
| NCT3807 port 0: <0xf7> |
| others: <0xff> |
| |
| "#gpio-cells": |
| const: 2 |
| |
| gpio-cells: |
| - pin |
| - flags |
