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