xref: /linux/Documentation/devicetree/bindings/gpio/renesas,rcar-gpio.yaml (revision 79790b6818e96c58fe2bffee1b418c16e64e7b80) 
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              - 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
91patternProperties:
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
110required:
111  - compatible
112  - reg
113  - interrupts
114  - gpio-controller
115  - '#gpio-cells'
116  - gpio-ranges
117  - interrupt-controller
118  - '#interrupt-cells'
119
120if:
121  not:
122    properties:
123      compatible:
124        contains:
125          enum:
126            - renesas,rcar-gen1-gpio
127then:
128  required:
129    - clocks
130    - power-domains
131    - resets
132
133additionalProperties: false
134
135examples:
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     };
154