xref: /linux/Documentation/devicetree/bindings/interrupt-controller/mstar,mst-intc.yaml (revision a1c3be890440a1769ed6f822376a3e3ab0d42994) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/interrupt-controller/mstar,mst-intc.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: MStar Interrupt Controller
8
9maintainers:
10  - Mark-PK Tsai <mark-pk.tsai@mediatek.com>
11
12description: |+
13  MStar, SigmaStar and Mediatek TV SoCs contain multiple legacy
14  interrupt controllers that routes interrupts to the GIC.
15
16  The HW block exposes a number of interrupt controllers, each
17  can support up to 64 interrupts.
18
19properties:
20  compatible:
21    const: mstar,mst-intc
22
23  interrupt-controller: true
24
25  "#interrupt-cells":
26    const: 3
27    description: |
28      Use the same format as specified by GIC in arm,gic.yaml.
29
30  reg:
31    maxItems: 1
32
33  mstar,irqs-map-range:
34    description: |
35      The range <start, end> of parent interrupt controller's interrupt
36      lines that are hardwired to mstar interrupt controller.
37    $ref: /schemas/types.yaml#/definitions/uint32-matrix
38    items:
39      minItems: 2
40      maxItems: 2
41
42  mstar,intc-no-eoi:
43    description:
44      Mark this controller has no End Of Interrupt(EOI) implementation.
45    type: boolean
46
47required:
48  - compatible
49  - reg
50  - mstar,irqs-map-range
51
52additionalProperties: false
53
54examples:
55  - |
56    mst_intc0: interrupt-controller@1f2032d0 {
57      compatible = "mstar,mst-intc";
58      interrupt-controller;
59      #interrupt-cells = <3>;
60      interrupt-parent = <&gic>;
61      reg = <0x1f2032d0 0x30>;
62      mstar,irqs-map-range = <0 63>;
63    };
64...
65