xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/arm/nvidia,tegra194-ccplex.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: "http://devicetree.org/schemas/arm/nvidia,tegra194-ccplex.yaml#"
5*4882a593Smuzhiyun$schema: "http://devicetree.org/meta-schemas/core.yaml#"
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: NVIDIA Tegra194 CPU Complex device tree bindings
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Thierry Reding <thierry.reding@gmail.com>
11*4882a593Smuzhiyun  - Jonathan Hunter <jonathanh@nvidia.com>
12*4882a593Smuzhiyun  - Sumit Gupta <sumitg@nvidia.com>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyundescription: |+
15*4882a593Smuzhiyun  Tegra194 SOC has homogeneous architecture where each cluster has two
16*4882a593Smuzhiyun  symmetric cores. Compatible string in "cpus" node represents the CPU
17*4882a593Smuzhiyun  Complex having all clusters.
18*4882a593Smuzhiyun
19*4882a593Smuzhiyunproperties:
20*4882a593Smuzhiyun  $nodename:
21*4882a593Smuzhiyun    const: cpus
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun  compatible:
24*4882a593Smuzhiyun    enum:
25*4882a593Smuzhiyun      - nvidia,tegra194-ccplex
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  nvidia,bpmp:
28*4882a593Smuzhiyun    $ref: '/schemas/types.yaml#/definitions/phandle'
29*4882a593Smuzhiyun    description: |
30*4882a593Smuzhiyun      Specifies the bpmp node that needs to be queried to get
31*4882a593Smuzhiyun      operating point data for all CPUs.
32*4882a593Smuzhiyun
33*4882a593SmuzhiyunadditionalProperties: true
34*4882a593Smuzhiyun
35*4882a593Smuzhiyunexamples:
36*4882a593Smuzhiyun  - |
37*4882a593Smuzhiyun    cpus {
38*4882a593Smuzhiyun      compatible = "nvidia,tegra194-ccplex";
39*4882a593Smuzhiyun      nvidia,bpmp = <&bpmp>;
40*4882a593Smuzhiyun      #address-cells = <1>;
41*4882a593Smuzhiyun      #size-cells = <0>;
42*4882a593Smuzhiyun
43*4882a593Smuzhiyun      cpu0_0: cpu@0 {
44*4882a593Smuzhiyun        compatible = "nvidia,tegra194-carmel";
45*4882a593Smuzhiyun        device_type = "cpu";
46*4882a593Smuzhiyun        reg = <0x0>;
47*4882a593Smuzhiyun        enable-method = "psci";
48*4882a593Smuzhiyun      };
49*4882a593Smuzhiyun
50*4882a593Smuzhiyun      cpu0_1: cpu@1 {
51*4882a593Smuzhiyun        compatible = "nvidia,tegra194-carmel";
52*4882a593Smuzhiyun        device_type = "cpu";
53*4882a593Smuzhiyun        reg = <0x001>;
54*4882a593Smuzhiyun        enable-method = "psci";
55*4882a593Smuzhiyun      };
56*4882a593Smuzhiyun
57*4882a593Smuzhiyun      cpu1_0: cpu@100 {
58*4882a593Smuzhiyun        compatible = "nvidia,tegra194-carmel";
59*4882a593Smuzhiyun        device_type = "cpu";
60*4882a593Smuzhiyun        reg = <0x100>;
61*4882a593Smuzhiyun        enable-method = "psci";
62*4882a593Smuzhiyun      };
63*4882a593Smuzhiyun
64*4882a593Smuzhiyun      cpu1_1: cpu@101 {
65*4882a593Smuzhiyun        compatible = "nvidia,tegra194-carmel";
66*4882a593Smuzhiyun        device_type = "cpu";
67*4882a593Smuzhiyun        reg = <0x101>;
68*4882a593Smuzhiyun        enable-method = "psci";
69*4882a593Smuzhiyun      };
70*4882a593Smuzhiyun    };
71*4882a593Smuzhiyun...
72