aboutsummaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/gpio/hisilicon,ascend910-gpio.yaml
blob: 735d97d645a09f460ade8f6cb272a959d3327ae5 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/hisilicon,ascend910-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: HiSilicon common GPIO controller

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

description:
  The HiSilicon common GPIO controller can be used for many different
  types of SoC such as Huawei Ascend AI series chips.

properties:
  compatible:
    const: hisilicon,ascend910-gpio

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-controller: true

  "#gpio-cells":
    const: 2

  ngpios:
    minimum: 1
    maximum: 32

required:
  - compatible
  - reg
  - interrupts
  - gpio-controller
  - "#gpio-cells"
  - ngpios

additionalProperties: false

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

    gpio@840d0000 {
      compatible = "hisilicon,ascend910-gpio";
      reg = <0x840d0000 0x1000>;
      ngpios = <32>;
      gpio-controller;
      #gpio-cells = <2>;
      interrupts = <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>;
    };