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torvalds
GitHub Repository: torvalds/linux
 Path: blob/master/Documentation/devicetree/bindings/gpio/hisilicon,ascend910-gpio.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)

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%YAML 1.2

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---

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$id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml#

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$schema: http://devicetree.org/meta-schemas/core.yaml#

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title: HiSilicon common GPIO controller

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maintainers:

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  - Jay Fang <f.fangjian@huawei.com>

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description:

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  The HiSilicon common GPIO controller can be used for many different

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  types of SoC such as Huawei Ascend AI series chips.

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properties:

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  compatible:

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    const: hisilicon,ascend910-gpio

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  reg:

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    maxItems: 1

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  interrupts:

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    maxItems: 1

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  gpio-controller: true

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  "#gpio-cells":

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    const: 2

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  ngpios:

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    minimum: 1

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    maximum: 32

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required:

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  - compatible

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  - reg

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  - interrupts

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  - gpio-controller

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  - "#gpio-cells"

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  - ngpios

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additionalProperties: false

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examples:

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  - |

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    #include <dt-bindings/interrupt-controller/arm-gic.h>

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    gpio@840d0000 {

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      compatible = "hisilicon,ascend910-gpio";

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      reg = <0x840d0000 0x1000>;

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      ngpios = <32>;

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      gpio-controller;

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      #gpio-cells = <2>;

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      interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;

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    };

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