1c8fdbbfaSRobin Murphy# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2c8fdbbfaSRobin Murphy# Copyright 2020 Arm Ltd. 3c8fdbbfaSRobin Murphy%YAML 1.2 4c8fdbbfaSRobin Murphy--- 5c8fdbbfaSRobin Murphy$id: http://devicetree.org/schemas/perf/arm,cmn.yaml# 6c8fdbbfaSRobin Murphy$schema: http://devicetree.org/meta-schemas/core.yaml# 7c8fdbbfaSRobin Murphy 8c8fdbbfaSRobin Murphytitle: Arm CMN (Coherent Mesh Network) Performance Monitors 9c8fdbbfaSRobin Murphy 10c8fdbbfaSRobin Murphymaintainers: 11c8fdbbfaSRobin Murphy - Robin Murphy <robin.murphy@arm.com> 12c8fdbbfaSRobin Murphy 13c8fdbbfaSRobin Murphyproperties: 14c8fdbbfaSRobin Murphy compatible: 15e3106447SRobin Murphy enum: 16e3106447SRobin Murphy - arm,cmn-600 17*2b60a22bSRobin Murphy - arm,cmn-650 18*2b60a22bSRobin Murphy - arm,cmn-700 19e3106447SRobin Murphy - arm,ci-700 20c8fdbbfaSRobin Murphy 21c8fdbbfaSRobin Murphy reg: 22c8fdbbfaSRobin Murphy items: 23c8fdbbfaSRobin Murphy - description: Physical address of the base (PERIPHBASE) and 24e3106447SRobin Murphy size of the configuration address space. 25c8fdbbfaSRobin Murphy 26c8fdbbfaSRobin Murphy interrupts: 27c8fdbbfaSRobin Murphy minItems: 1 28c8fdbbfaSRobin Murphy items: 29c8fdbbfaSRobin Murphy - description: Overflow interrupt for DTC0 30c8fdbbfaSRobin Murphy - description: Overflow interrupt for DTC1 31c8fdbbfaSRobin Murphy - description: Overflow interrupt for DTC2 32c8fdbbfaSRobin Murphy - description: Overflow interrupt for DTC3 33c8fdbbfaSRobin Murphy description: One interrupt for each DTC domain implemented must 34c8fdbbfaSRobin Murphy be specified, in order. DTC0 is always present. 35c8fdbbfaSRobin Murphy 36c8fdbbfaSRobin Murphy arm,root-node: 37c8fdbbfaSRobin Murphy $ref: /schemas/types.yaml#/definitions/uint32 38e3106447SRobin Murphy description: Offset from PERIPHBASE of CMN-600's configuration 39e3106447SRobin Murphy discovery node (see TRM definition of ROOTNODEBASE). Not 40e3106447SRobin Murphy relevant for newer CMN/CI products. 41c8fdbbfaSRobin Murphy 42c8fdbbfaSRobin Murphyrequired: 43c8fdbbfaSRobin Murphy - compatible 44c8fdbbfaSRobin Murphy - reg 45c8fdbbfaSRobin Murphy - interrupts 46e3106447SRobin Murphy 47e3106447SRobin Murphyif: 48e3106447SRobin Murphy properties: 49e3106447SRobin Murphy compatible: 50e3106447SRobin Murphy contains: 51e3106447SRobin Murphy const: arm,cmn-600 52e3106447SRobin Murphythen: 53e3106447SRobin Murphy required: 54c8fdbbfaSRobin Murphy - arm,root-node 55c8fdbbfaSRobin Murphy 56c8fdbbfaSRobin MurphyadditionalProperties: false 57c8fdbbfaSRobin Murphy 58c8fdbbfaSRobin Murphyexamples: 59c8fdbbfaSRobin Murphy - | 60c8fdbbfaSRobin Murphy #include <dt-bindings/interrupt-controller/arm-gic.h> 61c8fdbbfaSRobin Murphy #include <dt-bindings/interrupt-controller/irq.h> 62c8fdbbfaSRobin Murphy pmu@50000000 { 63c8fdbbfaSRobin Murphy compatible = "arm,cmn-600"; 64c8fdbbfaSRobin Murphy reg = <0x50000000 0x4000000>; 65c8fdbbfaSRobin Murphy /* 4x2 mesh with one DTC, and CFG node at 0,1,1,0 */ 66c8fdbbfaSRobin Murphy interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>; 67c8fdbbfaSRobin Murphy arm,root-node = <0x104000>; 68c8fdbbfaSRobin Murphy }; 69c8fdbbfaSRobin Murphy... 70