1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/gpio/microchip,mpfs-gpio.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: Microchip MPFS GPIO Controller
8
9 maintainers:
10 - Conor Dooley <conor.dooley@microchip.com>
11
12 properties:
13 compatible:
14 items:
15 - enum:
16 - microchip,mpfs-gpio
17 - microchip,coregpio-rtl-v3
18
19 reg:
20 maxItems: 1
21
22 interrupts:
23 description:
24 Interrupt mapping, one per GPIO. Maximum 32 GPIOs.
25 minItems: 1
26 maxItems: 32
27
28 interrupt-controller: true
29
30 clocks:
31 maxItems: 1
32
33 "#gpio-cells":
34 const: 2
35
36 "#interrupt-cells":
37 const: 1
38
39 ngpios:
40 description:
41 The number of GPIOs available.
42 minimum: 1
43 maximum: 32
44 default: 32
45
46 gpio-controller: true
47 gpio-line-names: true
48
49 patternProperties:
50 "^.+-hog(-[0-9]+)?$":
51 type: object
52 required:
53 - gpio-hog
54
55 allOf:
56 - if:
57 properties:
58 compatible:
59 contains:
60 const: microchip,mpfs-gpio
61 then:
62 required:
63 - interrupts
64 - "#interrupt-cells"
65 - interrupt-controller
66
67 required:
68 - compatible
69 - reg
70 - "#gpio-cells"
71 - gpio-controller
72 - clocks
73
74 additionalProperties: false
75
76 examples:
77 - |
78 gpio@20122000 {
79 compatible = "microchip,mpfs-gpio";
80 reg = <0x20122000 0x1000>;
81 clocks = <&clkcfg 25>;
82 interrupt-parent = <&plic>;
83 gpio-controller;
84 #gpio-cells = <2>;
85 interrupt-controller;
86 #interrupt-cells = <1>;
87 interrupts = <53>, <53>, <53>, <53>,
88 <53>, <53>, <53>, <53>,
89 <53>, <53>, <53>, <53>,
90 <53>, <53>, <53>, <53>,
91 <53>, <53>, <53>, <53>,
92 <53>, <53>, <53>, <53>,
93 <53>, <53>, <53>, <53>,
94 <53>, <53>, <53>, <53>;
95 };
96 ...
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