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 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Microchip MPFS GPIO Controller
   8
   9 maintainers:
  10   - Conor Dooley <conor.dooley@microchip.com>
  11
  12 properties:
  13   compatible:
  14     items:
  15       - enum:
  16           - microchip,mpfs-gpio
  17           - microchip,coregpio-rtl-v3
  18
  19   reg:
  20     maxItems: 1
  21
  22   interrupts:
  23     description:
  24       Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
  25     minItems: 1
  26     maxItems: 32
  27
  28   interrupt-controller: true
  29
  30   clocks:
  31     maxItems: 1
  32
  33   "#gpio-cells":
  34     const: 2
  35
  36   "#interrupt-cells":
  37     const: 1
  38
  39   ngpios:
  40     description:
  41       The number of GPIOs available.
  42     minimum: 1
  43     maximum: 32
  44     default: 32
  45
  46   gpio-controller: true
  47   gpio-line-names: true
  48
  49 patternProperties:
  50   "^.+-hog(-[0-9]+)?$":
  51     type: object
  52     required:
  53       - gpio-hog
  54
  55 allOf:
  56   - if:
  57       properties:
  58         compatible:
  59           contains:
  60             const: microchip,mpfs-gpio
  61     then:
  62       required:
  63         - interrupts
  64         - "#interrupt-cells"
  65         - interrupt-controller
  66
  67 required:
  68   - compatible
  69   - reg
  70   - "#gpio-cells"
  71   - gpio-controller
  72   - clocks
  73
  74 additionalProperties: false
  75
  76 examples:
  77   - |
  78     gpio@20122000 {
  79         compatible = "microchip,mpfs-gpio";
  80         reg = <0x20122000 0x1000>;
  81         clocks = <&clkcfg 25>;
  82         interrupt-parent = <&plic>;
  83         gpio-controller;
  84         #gpio-cells = <2>;
  85         interrupt-controller;
  86         #interrupt-cells = <1>;
  87         interrupts = <53>, <53>, <53>, <53>,
  88                      <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     };
  96 ...