# Copyright (c) 2019, Linaro Limited # SPDX-License-Identifier: Apache-2.0 # Common fields for GPIO controllers properties: "gpio-controller": type: boolean required: true description: Convey's this node is a GPIO controller "#gpio-cells": type: int required: true description: Number of items to expect in a GPIO specifier ngpios: type: int required: false default: 32 description: Number of gpios supported