xref: /linux/Documentation/devicetree/bindings/interrupt-controller/mrvl,intc.yaml (revision 1ac731c529cd4d6adbce134754b51ff7d822b145) 
1# SPDX-License-Identifier: GPL-2.0-only
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interrupt-controller/mrvl,intc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: Marvell MMP/Orion Interrupt controller
8
9maintainers:
10  - Andrew Lunn <andrew@lunn.ch>
11  - Gregory Clement <gregory.clement@bootlin.com>
12
13allOf:
14  - if:
15      properties:
16        compatible:
17          not:
18            contains:
19              const: marvell,orion-intc
20    then:
21      required:
22        - mrvl,intc-nr-irqs
23  - if:
24      properties:
25        compatible:
26          contains:
27            enum:
28              - mrvl,mmp-intc
29              - mrvl,mmp2-intc
30    then:
31      properties:
32        reg:
33          maxItems: 1
34  - if:
35      properties:
36        compatible:
37          contains:
38            enum:
39              - marvell,mmp3-intc
40              - mrvl,mmp2-mux-intc
41    then:
42      properties:
43        reg:
44          minItems: 2
45  - if:
46      properties:
47        compatible:
48          contains:
49            const: mrvl,mmp2-mux-intc
50    then:
51      properties:
52        interrupts:
53          maxItems: 1
54        reg-names:
55          items:
56            - const: mux status
57            - const: mux mask
58      required:
59        - interrupts
60    else:
61      properties:
62        interrupts: false
63
64properties:
65  '#interrupt-cells':
66    const: 1
67
68  compatible:
69    enum:
70      - mrvl,mmp-intc
71      - mrvl,mmp2-intc
72      - marvell,mmp3-intc
73      - marvell,orion-intc
74      - mrvl,mmp2-mux-intc
75
76  reg:
77    minItems: 1
78    maxItems: 2
79
80  reg-names: true
81
82  interrupts: true
83
84  interrupt-controller: true
85
86  mrvl,intc-nr-irqs:
87    description: |
88      Specifies the number of interrupts in the interrupt controller.
89    $ref: /schemas/types.yaml#/definitions/uint32
90
91  mrvl,clr-mfp-irq:
92    description: |
93      Specifies the interrupt that needs to clear MFP edge detection first.
94    $ref: /schemas/types.yaml#/definitions/uint32
95
96required:
97  - '#interrupt-cells'
98  - compatible
99  - reg
100  - interrupt-controller
101
102additionalProperties: false
103
104examples:
105  - |
106    interrupt-controller@d4282000 {
107        compatible = "mrvl,mmp2-intc";
108        interrupt-controller;
109        #interrupt-cells = <1>;
110        reg = <0xd4282000 0x1000>;
111        mrvl,intc-nr-irqs = <64>;
112    };
113
114    interrupt-controller@d4282150 {
115        compatible = "mrvl,mmp2-mux-intc";
116        interrupts = <4>;
117        interrupt-controller;
118        #interrupt-cells = <1>;
119        reg = <0x150 0x4>, <0x168 0x4>;
120        reg-names = "mux status", "mux mask";
121        mrvl,intc-nr-irqs = <2>;
122    };
123  - |
124    interrupt-controller@fed20204 {
125        compatible = "marvell,orion-intc";
126        interrupt-controller;
127        #interrupt-cells = <1>;
128        reg = <0xfed20204 0x04>,
129              <0xfed20214 0x04>;
130    };
131
132...
133