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
7title: Renesas R-Car General-Purpose Input/Output Ports (GPIO)
8
9maintainers:
10  - Geert Uytterhoeven <geert+renesas@glider.be>
11
12properties:
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  reg:
52    maxItems: 1
53
54  interrupts:
55    maxItems: 1
56
57  clocks:
58    maxItems: 1
59
60  power-domains:
61    maxItems: 1
62
63  resets:
64    maxItems: 1
65
66  gpio-controller: true
67
68  '#gpio-cells':
69    const: 2
70
71  interrupt-controller: true
72
73  '#interrupt-cells':
74    const: 2
75
76  gpio-ranges:
77    maxItems: 1
78
79  gpio-reserved-ranges:
80    minItems: 1
81    maxItems: 8
82
83patternProperties:
84  "^.*$":
85    if:
86      type: object
87    then:
88      properties:
89        gpio-hog: true
90        gpios: true
91        input: true
92        output-high: true
93        output-low: true
94        line-name: true
95
96      required:
97        - gpio-hog
98        - gpios
99
100      additionalProperties: false
101
102required:
103  - compatible
104  - reg
105  - interrupts
106  - gpio-controller
107  - '#gpio-cells'
108  - gpio-ranges
109  - interrupt-controller
110  - '#interrupt-cells'
111
112if:
113  not:
114    properties:
115      compatible:
116        contains:
117          enum:
118            - renesas,rcar-gen1-gpio
119then:
120  required:
121    - clocks
122    - power-domains
123    - resets
124
125additionalProperties: false
126
127examples:
128  - |
129    #include <dt-bindings/clock/r8a77470-cpg-mssr.h>
130    #include <dt-bindings/interrupt-controller/arm-gic.h>
131    #include <dt-bindings/power/r8a77470-sysc.h>
132    gpio3: gpio@e6053000 {
133            compatible = "renesas,gpio-r8a77470", "renesas,rcar-gen2-gpio";
134            reg = <0xe6053000 0x50>;
135            interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
136            clocks = <&cpg CPG_MOD 909>;
137            power-domains = <&sysc R8A77470_PD_ALWAYS_ON>;
138            resets = <&cpg 909>;
139            gpio-controller;
140            #gpio-cells = <2>;
141            gpio-ranges = <&pfc 0 96 30>;
142            gpio-reserved-ranges = <17 10>;
143            interrupt-controller;
144            #interrupt-cells = <2>;
145     };
146