# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) # Copyright 2020 Arm Ltd. %YAML 1.2 --- $id: http://devicetree.org/schemas/perf/arm,cmn.yaml# $schema: http://devicetree.org/meta-schemas/core.yaml# title: Arm CMN (Coherent Mesh Network) Performance Monitors maintainers: - Robin Murphy <robin.murphy@arm.com> properties: compatible: const: arm,cmn-600 reg: items: - description: Physical address of the base (PERIPHBASE) and size (up to 64MB) of the configuration address space. interrupts: minItems: 1 maxItems: 4 items: - description: Overflow interrupt for DTC0 - description: Overflow interrupt for DTC1 - description: Overflow interrupt for DTC2 - description: Overflow interrupt for DTC3 description: One interrupt for each DTC domain implemented must be specified, in order. DTC0 is always present. arm,root-node: $ref: /schemas/types.yaml#/definitions/uint32 description: Offset from PERIPHBASE of the configuration discovery node (see TRM definition of ROOTNODEBASE). required: - compatible - reg - interrupts - arm,root-node additionalProperties: false examples: - | #include <dt-bindings/interrupt-controller/arm-gic.h> #include <dt-bindings/interrupt-controller/irq.h> pmu@50000000 { compatible = "arm,cmn-600"; reg = <0x50000000 0x4000000>; /* 4x2 mesh with one DTC, and CFG node at 0,1,1,0 */ interrupts = <GIC_SPI 46 IRQ_TYPE_LEVEL_HIGH>; arm,root-node = <0x104000>; }; ...