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     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 
    7 title: NVIDIA Tegra194 CPU Complex device tree bindings
    8 
    9 maintainers:
   10   - Thierry Reding <thierry.reding@gmail.com>
   11   - Jonathan Hunter <jonathanh@nvidia.com>
   12   - Sumit Gupta <sumitg@nvidia.com>
   13 
   14 description: |+
   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 
   19 properties:
   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 
   33 additionalProperties: true
   34 
   35 examples:
   36   - |
   37     cpus {
   38       compatible = "nvidia,tegra194-ccplex";
   39       nvidia,bpmp = <&bpmp>;
   40       #address-cells = <1>;
   41       #size-cells = <0>;
   42 
   43       cpu0_0: cpu@0 {
   44         compatible = "nvidia,tegra194-carmel";
   45         device_type = "cpu";
   46         reg = <0x0>;
   47         enable-method = "psci";
   48       };
   49 
   50       cpu0_1: cpu@1 {
   51         compatible = "nvidia,tegra194-carmel";
   52         device_type = "cpu";
   53         reg = <0x001>;
   54         enable-method = "psci";
   55       };
   56 
   57       cpu1_0: cpu@100 {
   58         compatible = "nvidia,tegra194-carmel";
   59         device_type = "cpu";
   60         reg = <0x100>;
   61         enable-method = "psci";
   62       };
   63 
   64       cpu1_1: cpu@101 {
   65         compatible = "nvidia,tegra194-carmel";
   66         device_type = "cpu";
   67         reg = <0x101>;
   68         enable-method = "psci";
   69       };
   70     };
   71 ...
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