xref: /openbmc/linux/Documentation/devicetree/bindings/arm/tegra/nvidia,tegra-ccplex-cluster.yaml (revision a612130c)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: "http://devicetree.org/schemas/arm/tegra/nvidia,tegra-ccplex-cluster.yaml#"
$schema: "http://devicetree.org/meta-schemas/core.yaml#"

title: NVIDIA Tegra CPU COMPLEX CLUSTER area

maintainers:
  - Sumit Gupta <sumitg@nvidia.com>
  - Mikko Perttunen <mperttunen@nvidia.com>
  - Jon Hunter <jonathanh@nvidia.com>
  - Thierry Reding <thierry.reding@gmail.com>

description: |+
  The Tegra CPU COMPLEX CLUSTER area contains memory-mapped
  registers that initiate CPU frequency/voltage transitions.

properties:
  $nodename:
    pattern: "ccplex@([0-9a-f]+)$"

  compatible:
    enum:
      - nvidia,tegra186-ccplex-cluster
      - nvidia,tegra234-ccplex-cluster

  reg:
    maxItems: 1

  nvidia,bpmp:
    $ref: '/schemas/types.yaml#/definitions/phandle'
    description: |
      Specifies the BPMP node that needs to be queried to get
      operating point data for all CPUs.

additionalProperties: false

required:
  - compatible
  - reg
  - nvidia,bpmp

examples:
  - |
    ccplex@e000000 {
      compatible = "nvidia,tegra234-ccplex-cluster";
      reg = <0x0e000000 0x5ffff>;
      nvidia,bpmp = <&bpmp>;
    };