| # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) |
| %YAML 1.2 |
| --- |
| $id: http://devicetree.org/schemas/gpio/loongson,ls1x-gpio.yaml# |
| $schema: http://devicetree.org/meta-schemas/core.yaml# |
| |
| title: Loongson-1 GPIO controller |
| |
| maintainers: |
| - Keguang Zhang <keguang.zhang@gmail.com> |
| |
| properties: |
| compatible: |
| const: loongson,ls1x-gpio |
| |
| reg: |
| maxItems: 1 |
| |
| gpio-controller: true |
| |
| "#gpio-cells": |
| const: 2 |
| |
| ngpios: |
| minimum: 1 |
| maximum: 32 |
| |
| required: |
| - compatible |
| - reg |
| - gpio-controller |
| - "#gpio-cells" |
| - ngpios |
| |
| additionalProperties: false |
| |
| examples: |
| - | |
| gpio0: gpio@1fd010c0 { |
| compatible = "loongson,ls1x-gpio"; |
| reg = <0x1fd010c0 0x4>; |
| |
| gpio-controller; |
| #gpio-cells = <2>; |
| |
| ngpios = <32>; |
| }; |
| |
| ... |