1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: "http://devicetree.org/schemas/arm/nvidia,tegra194-ccplex.yaml#"
5$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6
7title: NVIDIA Tegra194 CPU Complex device tree bindings
8
9maintainers:
10  - Thierry Reding <thierry.reding@gmail.com>
11  - Jonathan Hunter <jonathanh@nvidia.com>
12  - Sumit Gupta <sumitg@nvidia.com>
13
14description: |+
15  Tegra194 SOC has homogeneous architecture where each cluster has two
16  symmetric cores. Compatible string in "cpus" node represents the CPU
17  Complex having all clusters.
18
19properties:
20  $nodename:
21    const: cpus
22
23  compatible:
24    enum:
25      - nvidia,tegra194-ccplex
26
27  nvidia,bpmp:
28    $ref: '/schemas/types.yaml#/definitions/phandle'
29    description: |
30      Specifies the bpmp node that needs to be queried to get
31      operating point data for all CPUs.
32
33examples:
34  - |
35    cpus {
36      compatible = "nvidia,tegra194-ccplex";
37      nvidia,bpmp = <&bpmp>;
38      #address-cells = <1>;
39      #size-cells = <0>;
40
41      cpu0_0: cpu@0 {
42        compatible = "nvidia,tegra194-carmel";
43        device_type = "cpu";
44        reg = <0x0>;
45        enable-method = "psci";
46      };
47
48      cpu0_1: cpu@1 {
49        compatible = "nvidia,tegra194-carmel";
50        device_type = "cpu";
51        reg = <0x001>;
52        enable-method = "psci";
53      };
54
55      cpu1_0: cpu@100 {
56        compatible = "nvidia,tegra194-carmel";
57        device_type = "cpu";
58        reg = <0x100>;
59        enable-method = "psci";
60      };
61
62      cpu1_1: cpu@101 {
63        compatible = "nvidia,tegra194-carmel";
64        device_type = "cpu";
65        reg = <0x101>;
66        enable-method = "psci";
67      };
68    };
69...
70