162306a36Sopenharmony_ci# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 262306a36Sopenharmony_ci%YAML 1.2 362306a36Sopenharmony_ci--- 462306a36Sopenharmony_ci$id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml# 562306a36Sopenharmony_ci$schema: http://devicetree.org/meta-schemas/core.yaml# 662306a36Sopenharmony_ci 762306a36Sopenharmony_cititle: HiSilicon common GPIO controller 862306a36Sopenharmony_ci 962306a36Sopenharmony_cimaintainers: 1062306a36Sopenharmony_ci - Jay Fang <f.fangjian@huawei.com> 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_cidescription: 1362306a36Sopenharmony_ci The HiSilicon common GPIO controller can be used for many different 1462306a36Sopenharmony_ci types of SoC such as Huawei Ascend AI series chips. 1562306a36Sopenharmony_ci 1662306a36Sopenharmony_ciproperties: 1762306a36Sopenharmony_ci compatible: 1862306a36Sopenharmony_ci const: hisilicon,ascend910-gpio 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci reg: 2162306a36Sopenharmony_ci maxItems: 1 2262306a36Sopenharmony_ci 2362306a36Sopenharmony_ci interrupts: 2462306a36Sopenharmony_ci maxItems: 1 2562306a36Sopenharmony_ci 2662306a36Sopenharmony_ci gpio-controller: true 2762306a36Sopenharmony_ci 2862306a36Sopenharmony_ci "#gpio-cells": 2962306a36Sopenharmony_ci const: 2 3062306a36Sopenharmony_ci 3162306a36Sopenharmony_ci ngpios: 3262306a36Sopenharmony_ci minimum: 1 3362306a36Sopenharmony_ci maximum: 32 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_cirequired: 3662306a36Sopenharmony_ci - compatible 3762306a36Sopenharmony_ci - reg 3862306a36Sopenharmony_ci - interrupts 3962306a36Sopenharmony_ci - gpio-controller 4062306a36Sopenharmony_ci - "#gpio-cells" 4162306a36Sopenharmony_ci - ngpios 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_ciadditionalProperties: false 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ciexamples: 4662306a36Sopenharmony_ci - | 4762306a36Sopenharmony_ci #include <dt-bindings/interrupt-controller/arm-gic.h> 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ci gpio@840d0000 { 5062306a36Sopenharmony_ci compatible = "hisilicon,ascend910-gpio"; 5162306a36Sopenharmony_ci reg = <0x840d0000 0x1000>; 5262306a36Sopenharmony_ci ngpios = <32>; 5362306a36Sopenharmony_ci gpio-controller; 5462306a36Sopenharmony_ci #gpio-cells = <2>; 5562306a36Sopenharmony_ci interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>; 5662306a36Sopenharmony_ci }; 57