1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2%YAML 1.2 3--- 4$id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml# 5$schema: http://devicetree.org/meta-schemas/core.yaml# 6 7title: Loongson-1 GPIO controller 8 9maintainers: 10 - Keguang Zhang <keguang.zhang@gmail.com> 11 12properties: 13 compatible: 14 const: loongson,ls1x-gpio 15 16 reg: 17 maxItems: 1 18 19 gpio-controller: true 20 21 "#gpio-cells": 22 const: 2 23 24 ngpios: 25 minimum: 1 26 maximum: 32 27 28required: 29 - compatible 30 - reg 31 - gpio-controller 32 - "#gpio-cells" 33 - ngpios 34 35additionalProperties: false 36 37examples: 38 - | 39 gpio0: gpio@1fd010c0 { 40 compatible = "loongson,ls1x-gpio"; 41 reg = <0x1fd010c0 0x4>; 42 43 gpio-controller; 44 #gpio-cells = <2>; 45 46 ngpios = <32>; 47 }; 48 49... 50