linux-kernel - Re: [PATCH 1/3] dt-bindings/perf: Add Arm NI-700 PMU

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Date: Thu, 25 Apr 2024 13:34:08 +0100
From: Robin Murphy <robin.murphy@....com>
To: will@...nel.org, mark.rutland@....com
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 jialong.yang@...ngroup.cn, devicetree@...r.kernel.org
Subject: Re: [PATCH 1/3] dt-bindings/perf: Add Arm NI-700 PMU

Oh fiddle, I forgot the DT list, apologies!

On 25/04/2024 1:29 pm, Robin Murphy wrote:
> Add an initial binding for the Arm NI-700 interconnect PMU. As with the
> Arm CMN family, there are already future NI products on the roadmap, so
> the overall binding is named generically just in case any
> non-discoverable incompatibility between generations crops up.
> 
> Signed-off-by: Robin Murphy <robin.murphy@....com>
> ---
>   .../devicetree/bindings/perf/arm,ni.yaml      | 30 +++++++++++++++++++
>   1 file changed, 30 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/perf/arm,ni.yaml
> 
> diff --git a/Documentation/devicetree/bindings/perf/arm,ni.yaml b/Documentation/devicetree/bindings/perf/arm,ni.yaml
> new file mode 100644
> index 000000000000..d66fffa256d5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/perf/arm,ni.yaml
> @@ -0,0 +1,30 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/perf/arm,ni.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Arm NI (Network-on-Chip Interconnect) Performance Monitors
> +
> +maintainers:
> +  - Robin Murphy <robin.murphy@....com>
> +
> +properties:
> +  compatible:
> +    const: arm,ni-700
> +
> +  reg:
> +    items:
> +      - description: Complete configuration register space
> +
> +  interrupts:
> +    minItems: 1
> +    maxItems: 32
> +    description: Overflow interrupts, one per clock domain, in order of domain ID
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +
> +additionalProperties: false