xref: /linux/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml (revision fbf5df34a4dbcd09d433dd4f0916bf9b2ddb16de)
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
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      - nvidia,tegra238-ccplex-cluster
28
29  reg:
30    maxItems: 1
31
32  nvidia,bpmp:
33    $ref: /schemas/types.yaml#/definitions/phandle
34    description: |
35      Specifies the BPMP node that needs to be queried to get
36      operating point data for all CPUs.
37
38additionalProperties: false
39
40required:
41  - compatible
42  - reg
43  - nvidia,bpmp
44
45examples:
46  - |
47    ccplex@e000000 {
48      compatible = "nvidia,tegra234-ccplex-cluster";
49      reg = <0x0e000000 0x5ffff>;
50      nvidia,bpmp = <&bpmp>;
51    };
52