summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/gpio/aspeed,ast2400-gpio.yaml
blob: cf11aa7ec8c7be90d38c7aa8f393d1ab2f69dbe8 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/gpio/aspeed,ast2400-gpio.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Aspeed GPIO controller

maintainers:
  - Andrew Jeffery <andrew@codeconstruct.com.au>

properties:
  compatible:
    enum:
      - aspeed,ast2400-gpio
      - aspeed,ast2500-gpio
      - aspeed,ast2600-gpio

  reg:
    maxItems: 1

  clocks:
    maxItems: 1
    description: The clock to use for debounce timings

  gpio-controller: true
  gpio-line-names:
    minItems: 36
    maxItems: 232

  gpio-ranges: true

  "#gpio-cells":
    const: 2

  interrupts:
    maxItems: 1

  interrupt-controller: true

  "#interrupt-cells":
    const: 2

  ngpios:
    minimum: 36
    maximum: 232

required:
  - compatible
  - reg
  - interrupts
  - interrupt-controller
  - "#interrupt-cells"
  - gpio-controller
  - "#gpio-cells"

allOf:
  - if:
      properties:
        compatible:
          contains:
            const: aspeed,ast2400-gpio
    then:
      properties:
        gpio-line-names:
          minItems: 220
          maxItems: 220
        ngpios:
          const: 220
  - if:
      properties:
        compatible:
          contains:
            const: aspeed,ast2500-gpio
    then:
      properties:
        gpio-line-names:
          minItems: 232
          maxItems: 232
        ngpios:
          const: 232
  - if:
      properties:
        compatible:
          contains:
            const: aspeed,ast2600-gpio
    then:
      properties:
        gpio-line-names:
          minItems: 36
          maxItems: 208
        ngpios:
          enum: [ 36, 208 ]
      required:
        - ngpios

additionalProperties: false

examples:
  - |
    gpio@1e780000 {
        compatible = "aspeed,ast2400-gpio";
        reg = <0x1e780000 0x1000>;
        interrupts = <20>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-controller;
        #gpio-cells = <2>;
    };
  - |
    gpio: gpio@1e780000 {
        compatible = "aspeed,ast2500-gpio";
        reg = <0x1e780000 0x200>;
        interrupts = <20>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&pinctrl 0 0 232>;
    };
  - |
    #include <dt-bindings/clock/ast2600-clock.h>
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    #include <dt-bindings/interrupt-controller/irq.h>
    gpio0: gpio@1e780000 {
        compatible = "aspeed,ast2600-gpio";
        reg = <0x1e780000 0x400>;
        clocks = <&syscon ASPEED_CLK_APB2>;
        interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <2>;
        #gpio-cells = <2>;
        gpio-controller;
        gpio-ranges = <&pinctrl 0 0 208>;
        ngpios = <208>;
    };
    gpio1: gpio@1e780800 {
        compatible = "aspeed,ast2600-gpio";
        reg = <0x1e780800 0x800>;
        clocks = <&syscon ASPEED_CLK_APB1>;
        interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&pinctrl 0 208 36>;
        ngpios = <36>;
    };