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-r8a7795      # R-Car H3
  41              - renesas,gpio-r8a7796      # R-Car M3-W
  42              - renesas,gpio-r8a77961     # R-Car M3-W+
  43              - renesas,gpio-r8a77965     # R-Car M3-N
  44              - renesas,gpio-r8a77970     # R-Car V3M
  45              - renesas,gpio-r8a77980     # R-Car V3H
  46              - renesas,gpio-r8a77990     # R-Car E3
  47              - renesas,gpio-r8a77995     # R-Car D3
  48          - const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
  49
  50   reg:
  51     maxItems: 1
  52
  53   interrupts:
  54     maxItems: 1
  55
  56   clocks:
  57     maxItems: 1
  58
  59   power-domains:
  60     maxItems: 1
  61
  62   resets:
  63     maxItems: 1
  64
  65   gpio-controller: true
  66
  67   '#gpio-cells':
  68     const: 2
  69
  70   interrupt-controller: true
  71
  72   '#interrupt-cells':
  73     const: 2
  74
  75   gpio-ranges:
  76     maxItems: 1
  77
  78   gpio-reserved-ranges:
  79     minItems: 1
  80     maxItems: 8
  81
  82 patternProperties:
  83   "^.*$":
  84     if:
  85       type: object
  86     then:
  87       properties:
  88         gpio-hog: true
  89         gpios: true
  90         input: true
  91         output-high: true
  92         output-low: true
  93         line-name: true
  94
  95       required:
  96         - gpio-hog
  97         - gpios
  98
  99       additionalProperties: false
 100
 101 required:
 102   - compatible
 103   - reg
 104   - interrupts
 105   - gpio-controller
 106   - '#gpio-cells'
 107   - gpio-ranges
 108   - interrupt-controller
 109   - '#interrupt-cells'
 110
 111 if:
 112   not:
 113     properties:
 114       compatible:
 115         contains:
 116           enum:
 117             - renesas,rcar-gen1-gpio
 118 then:
 119   required:
 120     - clocks
 121     - power-domains
 122     - resets
 123
 124 additionalProperties: false
 125
 126 examples:
 127   - |
 128     #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
 129     #include <dt-bindings/interrupt-controller/arm-gic.h>
 130     #include <dt-bindings/power/r8a77470-sysc.h>
 131     gpio3: gpio@e6053000 {
 132             compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
 133             reg = <0xe6053000 0x50>;
 134             interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 135             clocks = <&cpg CPG_MOD 909>;
 136             power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 137             resets = <&cpg 909>;
 138             gpio-controller;
 139             #gpio-cells = <2>;
 140             gpio-ranges = <&pfc 0 96 30>;
 141             gpio-reserved-ranges = <17 10>;
 142             interrupt-controller;
 143             #interrupt-cells = <2>;
 144      };