Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/gpio/renesas,rcar-gpio.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Renesas R-Car General-Purpose Input/Output Ports (GPIO)
   8
   9 maintainers:
  10   - Geert Uytterhoeven <geert+renesas@glider.be>
  11
  12 properties:
  13   compatible:
  14     oneOf:
  15       - items:
  16           - enum:
  17               - renesas,gpio-r8a7778      # R-Car M1
  18               - renesas,gpio-r8a7779      # R-Car H1
  19           - const: renesas,rcar-gen1-gpio # R-Car Gen1
  20
  21       - items:
  22           - enum:
  23               - renesas,gpio-r8a7742      # RZ/G1H
  24               - renesas,gpio-r8a7743      # RZ/G1M
  25               - renesas,gpio-r8a7744      # RZ/G1N
  26               - renesas,gpio-r8a7745      # RZ/G1E
  27               - renesas,gpio-r8a77470     # RZ/G1C
  28               - renesas,gpio-r8a7790      # R-Car H2
  29               - renesas,gpio-r8a7791      # R-Car M2-W
  30               - renesas,gpio-r8a7792      # R-Car V2H
  31               - renesas,gpio-r8a7793      # R-Car M2-N
  32               - renesas,gpio-r8a7794      # R-Car E2
  33           - const: renesas,rcar-gen2-gpio # R-Car Gen2 or RZ/G1
  34
  35       - items:
  36           - enum:
  37               - renesas,gpio-r8a774a1     # RZ/G2M
  38               - renesas,gpio-r8a774b1     # RZ/G2N
  39               - renesas,gpio-r8a774c0     # RZ/G2E
  40               - renesas,gpio-r8a774e1     # RZ/G2H
  41               - renesas,gpio-r8a7795      # R-Car H3
  42               - renesas,gpio-r8a7796      # R-Car M3-W
  43               - renesas,gpio-r8a77961     # R-Car M3-W+
  44               - renesas,gpio-r8a77965     # R-Car M3-N
  45               - renesas,gpio-r8a77970     # R-Car V3M
  46               - renesas,gpio-r8a77980     # R-Car V3H
  47               - renesas,gpio-r8a77990     # R-Car E3
  48               - renesas,gpio-r8a77995     # R-Car D3
  49           - const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
  50
  51   reg:
  52     maxItems: 1
  53
  54   interrupts:
  55     maxItems: 1
  56
  57   clocks:
  58     maxItems: 1
  59
  60   power-domains:
  61     maxItems: 1
  62
  63   resets:
  64     maxItems: 1
  65
  66   gpio-controller: true
  67
  68   '#gpio-cells':
  69     const: 2
  70
  71   interrupt-controller: true
  72
  73   '#interrupt-cells':
  74     const: 2
  75
  76   gpio-ranges:
  77     maxItems: 1
  78
  79   gpio-reserved-ranges:
  80     minItems: 1
  81     maxItems: 8
  82
  83 patternProperties:
  84   "^.*$":
  85     if:
  86       type: object
  87     then:
  88       properties:
  89         gpio-hog: true
  90         gpios: true
  91         input: true
  92         output-high: true
  93         output-low: true
  94         line-name: true
  95
  96       required:
  97         - gpio-hog
  98         - gpios
  99
 100       additionalProperties: false
 101
 102 required:
 103   - compatible
 104   - reg
 105   - interrupts
 106   - gpio-controller
 107   - '#gpio-cells'
 108   - gpio-ranges
 109   - interrupt-controller
 110   - '#interrupt-cells'
 111
 112 if:
 113   not:
 114     properties:
 115       compatible:
 116         contains:
 117           enum:
 118             - renesas,rcar-gen1-gpio
 119 then:
 120   required:
 121     - clocks
 122     - power-domains
 123     - resets
 124
 125 additionalProperties: false
 126
 127 examples:
 128   - |
 129     #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
 130     #include <dt-bindings/interrupt-controller/arm-gic.h>
 131     #include <dt-bindings/power/r8a77470-sysc.h>
 132     gpio3: gpio@e6053000 {
 133             compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
 134             reg = <0xe6053000 0x50>;
 135             interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 136             clocks = <&cpg CPG_MOD 909>;
 137             power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 138             resets = <&cpg 909>;
 139             gpio-controller;
 140             #gpio-cells = <2>;
 141             gpio-ranges = <&pfc 0 96 30>;
 142             gpio-reserved-ranges = <17 10>;
 143             interrupt-controller;
 144             #interrupt-cells = <2>;
 145      };