xref: /linux/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml (revision da1d9caf95def6f0320819cf941c9fd1069ba9e1) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/arm/tegra/nvidia,tegra-ccplex-cluster.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: NVIDIA Tegra CPU COMPLEX CLUSTER area device tree bindings
8
9maintainers:
10  - Sumit Gupta <sumitg@nvidia.com>
11  - Mikko Perttunen <mperttunen@nvidia.com>
12  - Jon Hunter <jonathanh@nvidia.com>
13  - Thierry Reding <thierry.reding@gmail.com>
14
15description: |+
16  The Tegra CPU COMPLEX CLUSTER area contains memory-mapped
17  registers that initiate CPU frequency/voltage transitions.
18
19properties:
20  $nodename:
21    pattern: "ccplex@([0-9a-f]+)$"
22
23  compatible:
24    enum:
25      - nvidia,tegra186-ccplex-cluster
26      - nvidia,tegra234-ccplex-cluster
27
28  reg:
29    maxItems: 1
30
31  nvidia,bpmp:
32    $ref: '/schemas/types.yaml#/definitions/phandle'
33    description: |
34      Specifies the BPMP node that needs to be queried to get
35      operating point data for all CPUs.
36
37additionalProperties: false
38
39required:
40  - compatible
41  - reg
42  - nvidia,bpmp
43  - status
44
45examples:
46  - |
47    ccplex@e000000 {
48      compatible = "nvidia,tegra234-ccplex-cluster";
49      reg = <0x0e000000 0x5ffff>;
50      nvidia,bpmp = <&bpmp>;
51      status = "okay";
52    };
53