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 Device Tree Bindings
   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 required:
  48   - compatible
  49   - reg
  50   - interrupts
  51   - "#interrupt-cells"
  52   - interrupt-controller
  53   - "#gpio-cells"
  54   - gpio-controller
  55   - clocks
  56
  57 additionalProperties: false
  58
  59 examples:
  60   - |
  61     gpio@20122000 {
  62         compatible = "microchip,mpfs-gpio";
  63         reg = <0x20122000 0x1000>;
  64         clocks = <&clkcfg 25>;
  65         interrupt-parent = <&plic>;
  66         gpio-controller;
  67         #gpio-cells = <2>;
  68         interrupt-controller;
  69         #interrupt-cells = <1>;
  70         interrupts = <53>, <53>, <53>, <53>,
  71                      <53>, <53>, <53>, <53>,
  72                      <53>, <53>, <53>, <53>,
  73                      <53>, <53>, <53>, <53>,
  74                      <53>, <53>, <53>, <53>,
  75                      <53>, <53>, <53>, <53>,
  76                      <53>, <53>, <53>, <53>,
  77                      <53>, <53>, <53>, <53>;
  78     };
  79 ...