tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/pinctrl/apple,pinctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Apple GPIO controller
8
9maintainers:
10 - Mark Kettenis <kettenis@openbsd.org>
11
12description: |
13 The Apple GPIO controller is a simple combined pin and GPIO
14 controller present on Apple ARM SoC platforms, including various
15 iPhone and iPad devices and the "Apple Silicon" Macs.
16
17properties:
18 compatible:
19 items:
20 - enum:
21 - apple,s5l8960x-pinctrl
22 - apple,t7000-pinctrl
23 - apple,s8000-pinctrl
24 - apple,t8010-pinctrl
25 - apple,t8015-pinctrl
26 - apple,t8103-pinctrl
27 - apple,t8112-pinctrl
28 - apple,t6000-pinctrl
29 - const: apple,pinctrl
30
31 reg:
32 maxItems: 1
33
34 clocks:
35 maxItems: 1
36
37 gpio-controller: true
38
39 '#gpio-cells':
40 const: 2
41
42 gpio-ranges:
43 maxItems: 1
44
45 apple,npins:
46 $ref: /schemas/types.yaml#/definitions/uint32
47 description: The number of pins in this GPIO controller.
48
49 interrupts:
50 description: One interrupt for each of the (up to 7) interrupt
51 groups supported by the controller sorted by interrupt group
52 number in ascending order.
53 minItems: 1
54 maxItems: 7
55
56 interrupt-controller: true
57
58 '#interrupt-cells':
59 const: 2
60
61 power-domains:
62 maxItems: 1
63
64patternProperties:
65 '-pins$':
66 type: object
67 $ref: pinmux-node.yaml#
68
69 properties:
70 pinmux:
71 description:
72 Values are constructed from pin number and alternate function
73 configuration number using the APPLE_PINMUX() helper macro
74 defined in include/dt-bindings/pinctrl/apple.h.
75
76 required:
77 - pinmux
78
79 additionalProperties: false
80
81allOf:
82 - $ref: pinctrl.yaml#
83
84required:
85 - compatible
86 - reg
87 - gpio-controller
88 - '#gpio-cells'
89 - gpio-ranges
90 - apple,npins
91
92additionalProperties: false
93
94examples:
95 - |
96 #include <dt-bindings/interrupt-controller/apple-aic.h>
97 #include <dt-bindings/pinctrl/apple.h>
98
99 soc {
100 #address-cells = <2>;
101 #size-cells = <2>;
102
103 pinctrl: pinctrl@23c100000 {
104 compatible = "apple,t8103-pinctrl", "apple,pinctrl";
105 reg = <0x2 0x3c100000 0x0 0x100000>;
106 clocks = <&gpio_clk>;
107
108 gpio-controller;
109 #gpio-cells = <2>;
110 gpio-ranges = <&pinctrl 0 0 212>;
111 apple,npins = <212>;
112
113 interrupt-controller;
114 #interrupt-cells = <2>;
115 interrupt-parent = <&aic>;
116 interrupts = <AIC_IRQ 16 IRQ_TYPE_LEVEL_HIGH>,
117 <AIC_IRQ 17 IRQ_TYPE_LEVEL_HIGH>,
118 <AIC_IRQ 18 IRQ_TYPE_LEVEL_HIGH>,
119 <AIC_IRQ 19 IRQ_TYPE_LEVEL_HIGH>,
120 <AIC_IRQ 20 IRQ_TYPE_LEVEL_HIGH>,
121 <AIC_IRQ 21 IRQ_TYPE_LEVEL_HIGH>,
122 <AIC_IRQ 22 IRQ_TYPE_LEVEL_HIGH>;
123
124 pcie_pins: pcie-pins {
125 pinmux = <APPLE_PINMUX(150, 1)>,
126 <APPLE_PINMUX(151, 1)>,
127 <APPLE_PINMUX(32, 1)>;
128 };
129 };
130 };