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dt-bindings: perf: Convert Arm CCN to DT schema

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Convert the Arm CCN performance monitors binding to DT schema format.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/20220613145554.3727354-1-robh@kernel.org
This commit is contained in:
Rob Herring 2022-06-13 08:55:54 -06:00
parent e291506242
commit bb9a3cc77a
2 changed files with 40 additions and 23 deletions
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40
Documentation/devicetree/bindings/perf/arm,ccn.yaml Normal file
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# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/perf/arm,ccn.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: ARM CCN (Cache Coherent Network) Performance Monitors
maintainers:
- Robin Murphy <robin.murphy@arm.com>
properties:
compatible:
enum:
- arm,ccn-502
- arm,ccn-504
- arm,ccn-508
- arm,ccn-512
reg:
maxItems: 1
interrupts:
maxItems: 1
required:
- compatible
- reg
- interrupts
additionalProperties: false
examples:
- |
ccn@20000000 {
compatible = "arm,ccn-504";
reg = <0x20000000 0x1000000>;
interrupts = <0 181 4>;
};
...

23
Documentation/devicetree/bindings/perf/arm-ccn.txt
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* ARM CCN (Cache Coherent Network)
Required properties:
- compatible: (standard compatible string) should be one of:
"arm,ccn-502"
"arm,ccn-504"
"arm,ccn-508"
"arm,ccn-512"
- reg: (standard registers property) physical address and size
(16MB) of the configuration registers block
- interrupts: (standard interrupt property) single interrupt
generated by the control block
Example:
ccn@2000000000 {
compatible = "arm,ccn-504";
reg = <0x20 0x00000000 0 0x1000000>;
interrupts = <0 181 4>;
};