xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/interrupt-controller/st,stm32-exti.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: STM32 External Interrupt Controller Device Tree Bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Alexandre Torgue <alexandre.torgue@st.com>
11*4882a593Smuzhiyun  - Ludovic Barre <ludovic.barre@st.com>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunproperties:
14*4882a593Smuzhiyun  compatible:
15*4882a593Smuzhiyun    oneOf:
16*4882a593Smuzhiyun      - items:
17*4882a593Smuzhiyun          - enum:
18*4882a593Smuzhiyun              - st,stm32-exti
19*4882a593Smuzhiyun              - st,stm32h7-exti
20*4882a593Smuzhiyun      - items:
21*4882a593Smuzhiyun          - enum:
22*4882a593Smuzhiyun              - st,stm32mp1-exti
23*4882a593Smuzhiyun          - const: syscon
24*4882a593Smuzhiyun
25*4882a593Smuzhiyun  "#interrupt-cells":
26*4882a593Smuzhiyun    const: 2
27*4882a593Smuzhiyun
28*4882a593Smuzhiyun  reg:
29*4882a593Smuzhiyun    maxItems: 1
30*4882a593Smuzhiyun
31*4882a593Smuzhiyun  interrupt-controller: true
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun  hwlocks:
34*4882a593Smuzhiyun    maxItems: 1
35*4882a593Smuzhiyun    description:
36*4882a593Smuzhiyun      Reference to a phandle of a hardware spinlock provider node.
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun  interrupts:
39*4882a593Smuzhiyun    description:
40*4882a593Smuzhiyun      Interrupts references to primary interrupt controller
41*4882a593Smuzhiyun
42*4882a593Smuzhiyunrequired:
43*4882a593Smuzhiyun  - "#interrupt-cells"
44*4882a593Smuzhiyun  - compatible
45*4882a593Smuzhiyun  - reg
46*4882a593Smuzhiyun  - interrupt-controller
47*4882a593Smuzhiyun
48*4882a593SmuzhiyunallOf:
49*4882a593Smuzhiyun  - $ref: /schemas/interrupt-controller.yaml#
50*4882a593Smuzhiyun  - if:
51*4882a593Smuzhiyun      properties:
52*4882a593Smuzhiyun        compatible:
53*4882a593Smuzhiyun          contains:
54*4882a593Smuzhiyun            enum:
55*4882a593Smuzhiyun              - st,stm32-exti
56*4882a593Smuzhiyun    then:
57*4882a593Smuzhiyun      properties:
58*4882a593Smuzhiyun        interrupts:
59*4882a593Smuzhiyun          minItems: 1
60*4882a593Smuzhiyun          maxItems: 32
61*4882a593Smuzhiyun      required:
62*4882a593Smuzhiyun        - interrupts
63*4882a593Smuzhiyun  - if:
64*4882a593Smuzhiyun      properties:
65*4882a593Smuzhiyun        compatible:
66*4882a593Smuzhiyun          contains:
67*4882a593Smuzhiyun            enum:
68*4882a593Smuzhiyun              - st,stm32h7-exti
69*4882a593Smuzhiyun    then:
70*4882a593Smuzhiyun      properties:
71*4882a593Smuzhiyun        interrupts:
72*4882a593Smuzhiyun          minItems: 1
73*4882a593Smuzhiyun          maxItems: 96
74*4882a593Smuzhiyun      required:
75*4882a593Smuzhiyun        - interrupts
76*4882a593Smuzhiyun
77*4882a593SmuzhiyunadditionalProperties: false
78*4882a593Smuzhiyun
79*4882a593Smuzhiyunexamples:
80*4882a593Smuzhiyun  - |
81*4882a593Smuzhiyun    //Example 1
82*4882a593Smuzhiyun    exti1: interrupt-controller@5000d000 {
83*4882a593Smuzhiyun        compatible = "st,stm32mp1-exti", "syscon";
84*4882a593Smuzhiyun        interrupt-controller;
85*4882a593Smuzhiyun        #interrupt-cells = <2>;
86*4882a593Smuzhiyun        reg = <0x5000d000 0x400>;
87*4882a593Smuzhiyun    };
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun    //Example 2
90*4882a593Smuzhiyun    exti2: interrupt-controller@40013c00 {
91*4882a593Smuzhiyun        compatible = "st,stm32-exti";
92*4882a593Smuzhiyun        interrupt-controller;
93*4882a593Smuzhiyun        #interrupt-cells = <2>;
94*4882a593Smuzhiyun        reg = <0x40013C00 0x400>;
95*4882a593Smuzhiyun        interrupts = <1>, <2>, <3>, <6>, <7>, <8>, <9>, <10>, <23>, <40>, <41>, <42>, <62>, <76>;
96*4882a593Smuzhiyun    };
97*4882a593Smuzhiyun
98*4882a593Smuzhiyun...
99