xref: /linux/Documentation/devicetree/bindings/gpio/microchip,mpfs-gpio.yaml (revision 001821b0e79716c4e17c71d8e053a23599a7a508) 
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
7title: Microchip MPFS GPIO Controller
8
9maintainers:
10  - Conor Dooley <conor.dooley@microchip.com>
11
12properties:
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
49patternProperties:
50  "^.+-hog(-[0-9]+)?$":
51    type: object
52
53    additionalProperties: false
54
55    properties:
56      gpio-hog: true
57      gpios: true
58      input: true
59      output-high: true
60      output-low: true
61      line-name: true
62
63    required:
64      - gpio-hog
65      - gpios
66
67allOf:
68  - if:
69      properties:
70        compatible:
71          contains:
72            const: microchip,mpfs-gpio
73    then:
74      required:
75        - interrupts
76        - "#interrupt-cells"
77        - interrupt-controller
78
79required:
80  - compatible
81  - reg
82  - "#gpio-cells"
83  - gpio-controller
84  - clocks
85
86additionalProperties: false
87
88examples:
89  - |
90    gpio@20122000 {
91        compatible = "microchip,mpfs-gpio";
92        reg = <0x20122000 0x1000>;
93        clocks = <&clkcfg 25>;
94        interrupt-parent = <&plic>;
95        gpio-controller;
96        #gpio-cells = <2>;
97        interrupt-controller;
98        #interrupt-cells = <1>;
99        interrupts = <53>, <53>, <53>, <53>,
100                     <53>, <53>, <53>, <53>,
101                     <53>, <53>, <53>, <53>,
102                     <53>, <53>, <53>, <53>,
103                     <53>, <53>, <53>, <53>,
104                     <53>, <53>, <53>, <53>,
105                     <53>, <53>, <53>, <53>,
106                     <53>, <53>, <53>, <53>;
107    };
108...
109