Merge branches 'for-next/kvm-build-fix', 'for-next/va-refactor', 'for-next/lto',...
[linux-2.6-microblaze.git] / Documentation / devicetree / bindings / perf / arm,cmn.yaml
1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 # Copyright 2020 Arm Ltd.
3 %YAML 1.2
4 ---
5 $id: http://devicetree.org/schemas/perf/arm,cmn.yaml#
6 $schema: http://devicetree.org/meta-schemas/core.yaml#
7
8 title: Arm CMN (Coherent Mesh Network) Performance Monitors
9
10 maintainers:
11   - Robin Murphy <robin.murphy@arm.com>
12
13 properties:
14   compatible:
15     const: arm,cmn-600
16
17   reg:
18     items:
19       - description: Physical address of the base (PERIPHBASE) and
20           size (up to 64MB) of the configuration address space.
21
22   interrupts:
23     minItems: 1
24     maxItems: 4
25     items:
26       - description: Overflow interrupt for DTC0
27       - description: Overflow interrupt for DTC1
28       - description: Overflow interrupt for DTC2
29       - description: Overflow interrupt for DTC3
30     description: One interrupt for each DTC domain implemented must
31       be specified, in order. DTC0 is always present.
32
33   arm,root-node:
34     $ref: /schemas/types.yaml#/definitions/uint32
35     description: Offset from PERIPHBASE of the configuration
36       discovery node (see TRM definition of ROOTNODEBASE).
37
38 required:
39   - compatible
40   - reg
41   - interrupts
42   - arm,root-node
43
44 additionalProperties: false
45
46 examples:
47   - |
48     #include <dt-bindings/interrupt-controller/arm-gic.h>
49     #include <dt-bindings/interrupt-controller/irq.h>
50     pmu@50000000 {
51         compatible = "arm,cmn-600";
52         reg = <0x50000000 0x4000000>;
53         /* 4x2 mesh with one DTC, and CFG node at 0,1,1,0 */
54         interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>;
55         arm,root-node = <0x104000>;
56     };
57 ...