Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml

   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
   7 title: NVIDIA Tegra CPU COMPLEX CLUSTER area device tree bindings
   8
   9 maintainers:
  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
  15 description: |+
  16   The Tegra CPU COMPLEX CLUSTER area contains memory-mapped
  17   registers that initiate CPU frequency/voltage transitions.
  18
  19 properties:
  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
  37 additionalProperties: false
  38
  39 required:
  40   - compatible
  41   - reg
  42   - nvidia,bpmp
  43
  44 examples:
  45   - |
  46     ccplex@e000000 {
  47       compatible = "nvidia,tegra234-ccplex-cluster";
  48       reg = <0x0e000000 0x5ffff>;
  49       nvidia,bpmp = <&bpmp>;
  50       status = "okay";
  51     };