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
   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   gpio-line-names:
  32     description: strings describing the names of each gpio line
  33     minItems: 58
  34     maxItems: 174
  35
  36   interrupt-controller: true
  37
  38   "#interrupt-cells":
  39     const: 2
  40
  41   clocks:
  42     maxItems: 1
  43
  44   power-domains:
  45     maxItems: 1
  46
  47 allOf:
  48   - if:
  49       properties:
  50         compatible:
  51           enum:
  52             - xlnx,zynqmp-gpio-1.0
  53     then:
  54       properties:
  55         gpio-line-names:
  56           minItems: 174
  57           maxItems: 174
  58
  59   - if:
  60       properties:
  61         compatible:
  62           enum:
  63             - xlnx,zynq-gpio-1.0
  64     then:
  65       properties:
  66         gpio-line-names:
  67           minItems: 118
  68           maxItems: 118
  69
  70   - if:
  71       properties:
  72         compatible:
  73           enum:
  74             - xlnx,versal-gpio-1.0
  75     then:
  76       properties:
  77         gpio-line-names:
  78           minItems: 58
  79           maxItems: 58
  80
  81   - if:
  82       properties:
  83         compatible:
  84           enum:
  85             - xlnx,pmc-gpio-1.0
  86     then:
  87       properties:
  88         gpio-line-names:
  89           minItems: 116
  90           maxItems: 116
  91
  92 required:
  93   - compatible
  94   - reg
  95   - "#gpio-cells"
  96   - interrupts
  97   - gpio-controller
  98   - interrupt-controller
  99   - "#interrupt-cells"
 100   - clocks
 101
 102 additionalProperties: false
 103
 104 examples:
 105   - |
 106     gpio@e000a000 {
 107       #gpio-cells = <2>;
 108       compatible = "xlnx,zynq-gpio-1.0";
 109       clocks = <&clkc 42>;
 110       gpio-controller;
 111       interrupt-parent = <&intc>;
 112       interrupts = <0 20 4>;
 113       interrupt-controller;
 114       #interrupt-cells = <2>;
 115       reg = <0xe000a000 0x1000>;
 116     };