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     enum:
  15       - xlnx,zynq-gpio-1.0
  16       - xlnx,zynqmp-gpio-1.0
  17       - xlnx,versal-gpio-1.0
  18       - xlnx,pmc-gpio-1.0
  19
  20   reg:
  21     maxItems: 1
  22
  23   "#gpio-cells":
  24     const: 2
  25
  26   interrupts:
  27     maxItems: 1
  28
  29   gpio-controller: true
  30
  31   interrupt-controller: true
  32
  33   "#interrupt-cells":
  34     const: 2
  35
  36   clocks:
  37     maxItems: 1
  38
  39 required:
  40   - compatible
  41   - reg
  42   - "#gpio-cells"
  43   - interrupts
  44   - gpio-controller
  45   - interrupt-controller
  46   - "#interrupt-cells"
  47   - clocks
  48
  49 additionalProperties: false
  50
  51 examples:
  52   - |
  53     gpio@e000a000 {
  54       #gpio-cells = <2>;
  55       compatible = "xlnx,zynq-gpio-1.0";
  56       clocks = <&clkc 42>;
  57       gpio-controller;
  58       interrupt-parent = <&intc>;
  59       interrupts = <0 20 4>;
  60       interrupt-controller;
  61       #interrupt-cells = <2>;
  62       reg = <0xe000a000 0x1000>;
  63     };