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           - enum:
  53               - renesas,gpio-r8a779a0     # R-Car V3U
  54               - renesas,gpio-r8a779f0     # R-Car S4-8
  55               - renesas,gpio-r8a779g0     # R-Car V4H
  56           - const: renesas,rcar-gen4-gpio # R-Car Gen4
  57
  58   reg:
  59     maxItems: 1
  60
  61   interrupts:
  62     maxItems: 1
  63
  64   clocks:
  65     maxItems: 1
  66
  67   power-domains:
  68     maxItems: 1
  69
  70   resets:
  71     maxItems: 1
  72
  73   gpio-controller: true
  74
  75   '#gpio-cells':
  76     const: 2
  77
  78   interrupt-controller: true
  79
  80   '#interrupt-cells':
  81     const: 2
  82
  83   gpio-ranges:
  84     maxItems: 1
  85
  86   gpio-reserved-ranges:
  87     minItems: 1
  88     maxItems: 8
  89
  90 patternProperties:
  91   "^.*$":
  92     if:
  93       type: object
  94     then:
  95       properties:
  96         gpio-hog: true
  97         gpios: true
  98         input: true
  99         output-high: true
 100         output-low: true
 101         line-name: true
 102
 103       required:
 104         - gpio-hog
 105         - gpios
 106
 107       additionalProperties: false
 108
 109 required:
 110   - compatible
 111   - reg
 112   - interrupts
 113   - gpio-controller
 114   - '#gpio-cells'
 115   - gpio-ranges
 116   - interrupt-controller
 117   - '#interrupt-cells'
 118
 119 if:
 120   not:
 121     properties:
 122       compatible:
 123         contains:
 124           enum:
 125             - renesas,rcar-gen1-gpio
 126 then:
 127   required:
 128     - clocks
 129     - power-domains
 130     - resets
 131
 132 additionalProperties: false
 133
 134 examples:
 135   - |
 136     #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
 137     #include <dt-bindings/interrupt-controller/arm-gic.h>
 138     #include <dt-bindings/power/r8a77470-sysc.h>
 139     gpio3: gpio@e6053000 {
 140             compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
 141             reg = <0xe6053000 0x50>;
 142             interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
 143             clocks = <&cpg CPG_MOD 909>;
 144             power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
 145             resets = <&cpg 909>;
 146             gpio-controller;
 147             #gpio-cells = <2>;
 148             gpio-ranges = <&pfc 0 96 30>;
 149             gpio-reserved-ranges = <17 10>;
 150             interrupt-controller;
 151             #interrupt-cells = <2>;
 152      };