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