xref: /freebsd/sys/contrib/device-tree/Bindings/gpio/hisilicon,ascend910-gpio.yaml (revision fe75646a0234a261c0013bf1840fdac4acaf0cec) 
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
7title: HiSilicon common GPIO controller
8
9maintainers:
10  - Jay Fang <f.fangjian@huawei.com>
11
12description:
13  The HiSilicon common GPIO controller can be used for many different
14  types of SoC such as Huawei Ascend AI series chips.
15
16properties:
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
35required:
36  - compatible
37  - reg
38  - interrupts
39  - gpio-controller
40  - "#gpio-cells"
41  - ngpios
42
43additionalProperties: false
44
45examples:
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    };
57