Documentation/devicetree/bindings/gpio/gpio-zynq.yaml

   1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/gpio-zynq.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Xilinx Zynq GPIO controller Device Tree Bindings
   8
   9 maintainers:
  10   - Michal Simek <michal.simek@xilinx.com>
  11
  12 properties:
  13   compatible:
  14     const: xlnx,zynq-gpio-1.0
  15
  16   reg:
  17     maxItems: 1
  18
  19   "#gpio-cells":
  20     const: 2
  21
  22   interrupts:
  23     maxItems: 1
  24
  25   gpio-controller: true
  26
  27   interrupt-controller: true
  28
  29   "#interrupt-cells":
  30     const: 2
  31
  32   clocks:
  33     maxItems: 1
  34
  35 required:
  36   - compatible
  37   - reg
  38   - "#gpio-cells"
  39   - interrupts
  40   - gpio-controller
  41   - interrupt-controller
  42   - "#interrupt-cells"
  43   - clocks
  44
  45 additionalProperties: false
  46
  47 examples:
  48   - |
  49     gpio@e000a000 {
  50       #gpio-cells = <2>;
  51       compatible = "xlnx,zynq-gpio-1.0";
  52       clocks = <&clkc 42>;
  53       gpio-controller;
  54       interrupt-parent = <&intc>;
  55       interrupts = <0 20 4>;
  56       interrupt-controller;
  57       #interrupt-cells = <2>;
  58       reg = <0xe000a000 0x1000>;
  59     };