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+# 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:
+ enum:
+ - arm,cmn-600
+ - arm,cmn-650
+ - arm,cmn-700
+ - arm,ci-700
+
+ reg:
+ items:
+ - description: Physical address of the base (PERIPHBASE) and
+ size of the configuration address space.
+
+ interrupts:
+ minItems: 1
+ 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 CMN-600's configuration
+ discovery node (see TRM definition of ROOTNODEBASE). Not
+ relevant for newer CMN/CI products.
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+if:
+ properties:
+ compatible:
+ contains:
+ const: arm,cmn-600
+then:
+ required:
+ - 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>;
+ };
+...