Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip MPFS GPIO Controller
   8
   9 maintainers:
  10   - Conor Dooley <conor.dooley@microchip.com>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - enum:
  16           - microchip,mpfs-gpio
  17
  18   reg:
  19     maxItems: 1
  20
  21   interrupts:
  22     description:
  23       Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
  24     minItems: 1
  25     maxItems: 32
  26
  27   interrupt-controller: true
  28
  29   clocks:
  30     maxItems: 1
  31
  32   "#gpio-cells":
  33     const: 2
  34
  35   "#interrupt-cells":
  36     const: 1
  37
  38   ngpios:
  39     description:
  40       The number of GPIOs available.
  41     minimum: 1
  42     maximum: 32
  43     default: 32
  44
  45   gpio-controller: true
  46
  47 patternProperties:
  48   "^.+-hog(-[0-9]+)?$":
  49     type: object
  50
  51     additionalProperties: false
  52
  53     properties:
  54       gpio-hog: true
  55       gpios: true
  56       input: true
  57       output-high: true
  58       output-low: true
  59       line-name: true
  60
  61     required:
  62       - gpio-hog
  63       - gpios
  64
  65 required:
  66   - compatible
  67   - reg
  68   - interrupts
  69   - "#interrupt-cells"
  70   - interrupt-controller
  71   - "#gpio-cells"
  72   - gpio-controller
  73   - clocks
  74
  75 additionalProperties: false
  76
  77 examples:
  78   - |
  79     gpio@20122000 {
  80         compatible = "microchip,mpfs-gpio";
  81         reg = <0x20122000 0x1000>;
  82         clocks = <&clkcfg 25>;
  83         interrupt-parent = <&plic>;
  84         gpio-controller;
  85         #gpio-cells = <2>;
  86         interrupt-controller;
  87         #interrupt-cells = <1>;
  88         interrupts = <53>, <53>, <53>, <53>,
  89                      <53>, <53>, <53>, <53>,
  90                      <53>, <53>, <53>, <53>,
  91                      <53>, <53>, <53>, <53>,
  92                      <53>, <53>, <53>, <53>,
  93                      <53>, <53>, <53>, <53>,
  94                      <53>, <53>, <53>, <53>,
  95                      <53>, <53>, <53>, <53>;
  96     };
  97 ...