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 - renesas,gpio-r8a779h0 # R-Car V4M
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 };
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