linux-kernel - Re: [PATCH v3 3/5] dt-bindings: arm: Add Coresight TMC Control Unit hardware

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Message-ID: <e087b788-4002-4d12-bd8f-a40fc814856a@kernel.org>
Date: Mon, 19 Aug 2024 08:26:19 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Jie Gan <quic_jiegan@...cinc.com>,
 Suzuki K Poulose <suzuki.poulose@....com>, Mike Leach
 <mike.leach@...aro.org>, James Clark <james.clark@...aro.org>,
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
 Maxime Coquelin <mcoquelin.stm32@...il.com>,
 Alexandre Torgue <alexandre.torgue@...s.st.com>,
 Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Jinlong Mao <quic_jinlmao@...cinc.com>, coresight@...ts.linaro.org,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 devicetree@...r.kernel.org, Tingwei Zhang <quic_tingweiz@...cinc.com>,
 Yuanfang Zhang <quic_yuanfang@...cinc.com>,
 Tao Zhang <quic_taozha@...cinc.com>, Song Chai <quic_songchai@...cinc.com>,
 linux-arm-msm@...r.kernel.org, linux-stm32@...md-mailman.stormreply.com
Subject: Re: [PATCH v3 3/5] dt-bindings: arm: Add Coresight TMC Control Unit
 hardware

On 12/08/2024 04:41, Jie Gan wrote:
> +
> +maintainers:
> +  - Yuanfang Zhang <quic_yuanfang@...cinc.com>
> +  - Mao Jinlong <quic_jinlmao@...cinc.com>
> +  - Jie Gan <quic_jiegan@...cinc.com>
> +
> +description:
> +  The Coresight TMC Control unit controls various Coresight behaviors.
> +  It works as a helper device when connected to TMC ETR device.
> +  It is responsible for controlling the data filter function based on
> +  the source device's Trace ID for TMC ETR device. The trace data with
> +  that Trace id can get into ETR's buffer while other trace data gets
> +  ignored.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - qcom,sa8775p-ctcu
> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  clock-names:
> +    items:
> +      - const: apb
> +
> +  in-ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +
> +    patternProperties:
> +      '^port(@[0-7])?$':

I see only two ports in the example. How many are there in reality?

Best regards,
Krzysztof