1c66ec88fSEmmanuel Vadot# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2c66ec88fSEmmanuel Vadot%YAML 1.2 3c66ec88fSEmmanuel Vadot--- 4c66ec88fSEmmanuel Vadot$id: "http://devicetree.org/schemas/arm/nvidia,tegra194-ccplex.yaml#" 5c66ec88fSEmmanuel Vadot$schema: "http://devicetree.org/meta-schemas/core.yaml#" 6c66ec88fSEmmanuel Vadot 7c66ec88fSEmmanuel Vadottitle: NVIDIA Tegra194 CPU Complex device tree bindings 8c66ec88fSEmmanuel Vadot 9c66ec88fSEmmanuel Vadotmaintainers: 10c66ec88fSEmmanuel Vadot - Thierry Reding <thierry.reding@gmail.com> 11c66ec88fSEmmanuel Vadot - Jonathan Hunter <jonathanh@nvidia.com> 12c66ec88fSEmmanuel Vadot - Sumit Gupta <sumitg@nvidia.com> 13c66ec88fSEmmanuel Vadot 14c66ec88fSEmmanuel Vadotdescription: |+ 15c66ec88fSEmmanuel Vadot Tegra194 SOC has homogeneous architecture where each cluster has two 16c66ec88fSEmmanuel Vadot symmetric cores. Compatible string in "cpus" node represents the CPU 17c66ec88fSEmmanuel Vadot Complex having all clusters. 18c66ec88fSEmmanuel Vadot 19c66ec88fSEmmanuel Vadotproperties: 20c66ec88fSEmmanuel Vadot $nodename: 21c66ec88fSEmmanuel Vadot const: cpus 22c66ec88fSEmmanuel Vadot 23c66ec88fSEmmanuel Vadot compatible: 24c66ec88fSEmmanuel Vadot enum: 25c66ec88fSEmmanuel Vadot - nvidia,tegra194-ccplex 26c66ec88fSEmmanuel Vadot 27c66ec88fSEmmanuel Vadot nvidia,bpmp: 28c66ec88fSEmmanuel Vadot $ref: '/schemas/types.yaml#/definitions/phandle' 29c66ec88fSEmmanuel Vadot description: | 30c66ec88fSEmmanuel Vadot Specifies the bpmp node that needs to be queried to get 31c66ec88fSEmmanuel Vadot operating point data for all CPUs. 32c66ec88fSEmmanuel Vadot 33*6be33864SEmmanuel VadotadditionalProperties: true 34*6be33864SEmmanuel Vadot 35c66ec88fSEmmanuel Vadotexamples: 36c66ec88fSEmmanuel Vadot - | 37c66ec88fSEmmanuel Vadot cpus { 38c66ec88fSEmmanuel Vadot compatible = "nvidia,tegra194-ccplex"; 39c66ec88fSEmmanuel Vadot nvidia,bpmp = <&bpmp>; 40c66ec88fSEmmanuel Vadot #address-cells = <1>; 41c66ec88fSEmmanuel Vadot #size-cells = <0>; 42c66ec88fSEmmanuel Vadot 43c66ec88fSEmmanuel Vadot cpu0_0: cpu@0 { 44c66ec88fSEmmanuel Vadot compatible = "nvidia,tegra194-carmel"; 45c66ec88fSEmmanuel Vadot device_type = "cpu"; 46c66ec88fSEmmanuel Vadot reg = <0x0>; 47c66ec88fSEmmanuel Vadot enable-method = "psci"; 48c66ec88fSEmmanuel Vadot }; 49c66ec88fSEmmanuel Vadot 50c66ec88fSEmmanuel Vadot cpu0_1: cpu@1 { 51c66ec88fSEmmanuel Vadot compatible = "nvidia,tegra194-carmel"; 52c66ec88fSEmmanuel Vadot device_type = "cpu"; 53c66ec88fSEmmanuel Vadot reg = <0x001>; 54c66ec88fSEmmanuel Vadot enable-method = "psci"; 55c66ec88fSEmmanuel Vadot }; 56c66ec88fSEmmanuel Vadot 57c66ec88fSEmmanuel Vadot cpu1_0: cpu@100 { 58c66ec88fSEmmanuel Vadot compatible = "nvidia,tegra194-carmel"; 59c66ec88fSEmmanuel Vadot device_type = "cpu"; 60c66ec88fSEmmanuel Vadot reg = <0x100>; 61c66ec88fSEmmanuel Vadot enable-method = "psci"; 62c66ec88fSEmmanuel Vadot }; 63c66ec88fSEmmanuel Vadot 64c66ec88fSEmmanuel Vadot cpu1_1: cpu@101 { 65c66ec88fSEmmanuel Vadot compatible = "nvidia,tegra194-carmel"; 66c66ec88fSEmmanuel Vadot device_type = "cpu"; 67c66ec88fSEmmanuel Vadot reg = <0x101>; 68c66ec88fSEmmanuel Vadot enable-method = "psci"; 69c66ec88fSEmmanuel Vadot }; 70c66ec88fSEmmanuel Vadot }; 71c66ec88fSEmmanuel Vadot... 72