0001 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
0002 %YAML 1.2
0003 ---
0004 $id: http://devicetree.org/schemas/gpio/renesas,rcar-gpio.yaml#
0005 $schema: http://devicetree.org/meta-schemas/core.yaml#
0006
0007 title: Renesas R-Car General-Purpose Input/Output Ports (GPIO)
0008
0009 maintainers:
0010 - Geert Uytterhoeven <geert+renesas@glider.be>
0011
0012 properties:
0013 compatible:
0014 oneOf:
0015 - items:
0016 - enum:
0017 - renesas,gpio-r8a7778 # R-Car M1
0018 - renesas,gpio-r8a7779 # R-Car H1
0019 - const: renesas,rcar-gen1-gpio # R-Car Gen1
0020
0021 - items:
0022 - enum:
0023 - renesas,gpio-r8a7742 # RZ/G1H
0024 - renesas,gpio-r8a7743 # RZ/G1M
0025 - renesas,gpio-r8a7744 # RZ/G1N
0026 - renesas,gpio-r8a7745 # RZ/G1E
0027 - renesas,gpio-r8a77470 # RZ/G1C
0028 - renesas,gpio-r8a7790 # R-Car H2
0029 - renesas,gpio-r8a7791 # R-Car M2-W
0030 - renesas,gpio-r8a7792 # R-Car V2H
0031 - renesas,gpio-r8a7793 # R-Car M2-N
0032 - renesas,gpio-r8a7794 # R-Car E2
0033 - const: renesas,rcar-gen2-gpio # R-Car Gen2 or RZ/G1
0034
0035 - items:
0036 - enum:
0037 - renesas,gpio-r8a774a1 # RZ/G2M
0038 - renesas,gpio-r8a774b1 # RZ/G2N
0039 - renesas,gpio-r8a774c0 # RZ/G2E
0040 - renesas,gpio-r8a774e1 # RZ/G2H
0041 - renesas,gpio-r8a7795 # R-Car H3
0042 - renesas,gpio-r8a7796 # R-Car M3-W
0043 - renesas,gpio-r8a77961 # R-Car M3-W+
0044 - renesas,gpio-r8a77965 # R-Car M3-N
0045 - renesas,gpio-r8a77970 # R-Car V3M
0046 - renesas,gpio-r8a77980 # R-Car V3H
0047 - renesas,gpio-r8a77990 # R-Car E3
0048 - renesas,gpio-r8a77995 # R-Car D3
0049 - const: renesas,rcar-gen3-gpio # R-Car Gen3 or RZ/G2
0050
0051 - items:
0052 - enum:
0053 - renesas,gpio-r8a779a0 # R-Car V3U
0054 - renesas,gpio-r8a779f0 # R-Car S4-8
0055 - const: renesas,rcar-gen4-gpio # R-Car Gen4
0056
0057 reg:
0058 maxItems: 1
0059
0060 interrupts:
0061 maxItems: 1
0062
0063 clocks:
0064 maxItems: 1
0065
0066 power-domains:
0067 maxItems: 1
0068
0069 resets:
0070 maxItems: 1
0071
0072 gpio-controller: true
0073
0074 '#gpio-cells':
0075 const: 2
0076
0077 interrupt-controller: true
0078
0079 '#interrupt-cells':
0080 const: 2
0081
0082 gpio-ranges:
0083 maxItems: 1
0084
0085 gpio-reserved-ranges:
0086 minItems: 1
0087 maxItems: 8
0088
0089 patternProperties:
0090 "^.*$":
0091 if:
0092 type: object
0093 then:
0094 properties:
0095 gpio-hog: true
0096 gpios: true
0097 input: true
0098 output-high: true
0099 output-low: true
0100 line-name: true
0101
0102 required:
0103 - gpio-hog
0104 - gpios
0105
0106 additionalProperties: false
0107
0108 required:
0109 - compatible
0110 - reg
0111 - interrupts
0112 - gpio-controller
0113 - '#gpio-cells'
0114 - gpio-ranges
0115 - interrupt-controller
0116 - '#interrupt-cells'
0117
0118 if:
0119 not:
0120 properties:
0121 compatible:
0122 contains:
0123 enum:
0124 - renesas,rcar-gen1-gpio
0125 then:
0126 required:
0127 - clocks
0128 - power-domains
0129 - resets
0130
0131 additionalProperties: false
0132
0133 examples:
0134 - |
0135 #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
0136 #include <dt-bindings/interrupt-controller/arm-gic.h>
0137 #include <dt-bindings/power/r8a77470-sysc.h>
0138 gpio3: gpio@e6053000 {
0139 compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
0140 reg = <0xe6053000 0x50>;
0141 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
0142 clocks = <&cpg CPG_MOD 909>;
0143 power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
0144 resets = <&cpg 909>;
0145 gpio-controller;
0146 #gpio-cells = <2>;
0147 gpio-ranges = <&pfc 0 96 30>;
0148 gpio-reserved-ranges = <17 10>;
0149 interrupt-controller;
0150 #interrupt-cells = <2>;
0151 };
