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       - items:
  52           - const: renesas,gpio-r8a779a0  # R-Car V3U
  53
  54       - items:
  55           - enum:
  56               - renesas,gpio-r8a779f0     # R-Car S4-8
  57           - const: renesas,rcar-gen4-gpio # R-Car Gen4
  58
  59   reg:
  60     maxItems: 1
  61
  62   interrupts:
  63     maxItems: 1
  64
  65   clocks:
  66     maxItems: 1
  67
  68   power-domains:
  69     maxItems: 1
  70
  71   resets:
  72     maxItems: 1
  73
  74   gpio-controller: true
  75
  76   '#gpio-cells':
  77     const: 2
  78
  79   interrupt-controller: true
  80
  81   '#interrupt-cells':
  82     const: 2
  83
  84   gpio-ranges:
  85     maxItems: 1
  86
  87   gpio-reserved-ranges:
  88     minItems: 1
  89     maxItems: 8
  90
  91 patternProperties:
  92   "^.*$":
  93     if:
  94       type: object
  95     then:
  96       properties:
  97         gpio-hog: true
  98         gpios: true
  99         input: true
 100         output-high: true
 101         output-low: true
 102         line-name: true
 103
 104       required:
 105         - gpio-hog
 106         - gpios
 107
 108       additionalProperties: false
 109
 110 required:
 111   - compatible
 112   - reg
 113   - interrupts
 114   - gpio-controller
 115   - '#gpio-cells'
 116   - gpio-ranges
 117   - interrupt-controller
 118   - '#interrupt-cells'
 119
 120 if:
 121   not:
 122     properties:
 123       compatible:
 124         contains:
 125           enum:
 126             - renesas,rcar-gen1-gpio
 127 then:
 128   required:
 129     - clocks
 130     - power-domains
 131     - resets
 132
 133 additionalProperties: false
 134
 135 examples:
 136   - |
 137     #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
 138     #include <dt-bindings/interrupt-controller/arm-gic.h>
 139     #include <dt-bindings/power/r8a77470-sysc.h>
 140     gpio3: gpio@e6053000 {
 141             compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
 142             reg = <0xe6053000 0x50>;
 143             interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 144             clocks = <&cpg CPG_MOD 909>;
 145             power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 146             resets = <&cpg 909>;
 147             gpio-controller;
 148             #gpio-cells = <2>;
 149             gpio-ranges = <&pfc 0 96 30>;
 150             gpio-reserved-ranges = <17 10>;
 151             interrupt-controller;
 152             #interrupt-cells = <2>;
 153      };