summaryrefslogtreecommitdiffstats
path: root/Documentation/devicetree/bindings/pinctrl/apple,pinctrl.yaml
blob: 63737d8589442953a77e3bbab08f8b59990fb33c (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
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/apple,pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Apple GPIO controller

maintainers:
  - Mark Kettenis <kettenis@openbsd.org>

description: |
  The Apple GPIO controller is a simple combined pin and GPIO
  controller present on Apple ARM SoC platforms, including various
  iPhone and iPad devices and the "Apple Silicon" Macs.

properties:
  compatible:
    items:
      - enum:
          - apple,s5l8960x-pinctrl
          - apple,t7000-pinctrl
          - apple,s8000-pinctrl
          - apple,t8010-pinctrl
          - apple,t8015-pinctrl
          - apple,t8103-pinctrl
          - apple,t8112-pinctrl
          - apple,t6000-pinctrl
      - const: apple,pinctrl

  reg:
    maxItems: 1

  clocks:
    maxItems: 1

  gpio-controller: true

  '#gpio-cells':
    const: 2

  gpio-ranges:
    maxItems: 1

  apple,npins:
    $ref: /schemas/types.yaml#/definitions/uint32
    description: The number of pins in this GPIO controller.

  interrupts:
    description: One interrupt for each of the (up to 7) interrupt
      groups supported by the controller sorted by interrupt group
      number in ascending order.
    minItems: 1
    maxItems: 7

  interrupt-controller: true

  '#interrupt-cells':
    const: 2

  power-domains:
    maxItems: 1

patternProperties:
  '-pins$':
    type: object
    $ref: pinmux-node.yaml#

    properties:
      pinmux:
        description:
          Values are constructed from pin number and alternate function
          configuration number using the APPLE_PINMUX() helper macro
          defined in include/dt-bindings/pinctrl/apple.h.

    required:
      - pinmux

    additionalProperties: false

allOf:
  - $ref: pinctrl.yaml#

required:
  - compatible
  - reg
  - gpio-controller
  - '#gpio-cells'
  - gpio-ranges
  - apple,npins

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/apple-aic.h>
    #include <dt-bindings/pinctrl/apple.h>

    soc {
      #address-cells = <2>;
      #size-cells = <2>;

      pinctrl: pinctrl@23c100000 {
        compatible = "apple,t8103-pinctrl", "apple,pinctrl";
        reg = <0x2 0x3c100000 0x0 0x100000>;
        clocks = <&gpio_clk>;

        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&pinctrl 0 0 212>;
        apple,npins = <212>;

        interrupt-controller;
        #interrupt-cells = <2>;
        interrupt-parent = <&aic>;
        interrupts = <AIC_IRQ 16 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 17 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 18 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 19 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 20 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 21 IRQ_TYPE_LEVEL_HIGH>,
                     <AIC_IRQ 22 IRQ_TYPE_LEVEL_HIGH>;

        pcie_pins: pcie-pins {
          pinmux = <APPLE_PINMUX(150, 1)>,
                   <APPLE_PINMUX(151, 1)>,
                   <APPLE_PINMUX(32, 1)>;
        };
      };
    };