1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: HiSilicon common GPIO controller
8
9 maintainers:
10 - Jay Fang <f.fangjian@huawei.com>
11
12 description:
13 The HiSilicon common GPIO controller can be used for many different
14 types of SoC such as Huawei Ascend AI series chips.
15
16 properties:
17 compatible:
18 const: hisilicon,ascend910-gpio
19
20 reg:
21 maxItems: 1
22
23 interrupts:
24 maxItems: 1
25
26 gpio-controller: true
27
28 "#gpio-cells":
29 const: 2
30
31 ngpios:
32 minimum: 1
33 maximum: 32
34
35 required:
36 - compatible
37 - reg
38 - interrupts
39 - gpio-controller
40 - "#gpio-cells"
41 - ngpios
42
43 additionalProperties: false
44
45 examples:
46 - |
47 #include <dt-bindings/interrupt-controller/arm-gic.h>
48
49 gpio@840d0000 {
50 compatible = "hisilicon,ascend910-gpio";
51 reg = <0x840d0000 0x1000>;
52 ngpios = <32>;
53 gpio-controller;
54 #gpio-cells = <2>;
55 interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
56 };
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