Documentation/devicetree/bindings/gpio/hisilicon,ascend910-gpio.yaml

   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     };