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From: Tao Zhang <taozha@codeaurora.org>
To: Mathieu Poirier <mathieu.poirier@linaro.org>,
	Suzuki K Poulose <suzuki.poulose@arm.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Tao Zhang <taozha@codeaurora.org>,
	Mike Leach <mike.leach@linaro.org>, Leo Yan <leo.yan@linaro.org>,
	Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	coresight@lists.linaro.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Tingwei Zhang <tingwei@codeaurora.org>,
	Mao Jinlong <jinlmao@codeaurora.org>,
	Yuanfang Zhang <zhangyuanfang@codeaurora.org>
Subject: [PATCH v1 3/3] dt-bindings: arm: add property for selecting funnel output port
Date: Mon, 10 May 2021 19:05:27 +0800	[thread overview]
Message-ID: <1620644727-29279-4-git-send-email-taozha@codeaurora.org> (raw)
In-Reply-To: <1620644727-29279-1-git-send-email-taozha@codeaurora.org>

Add property "source" for coresight funnel device. Since software
support to multiple-outputs configuration, this property allows
selecting the output port according to source.

Signed-off-by: Tao Zhang <taozha@codeaurora.org>
---
 Documentation/devicetree/bindings/arm/coresight.txt | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676..4bf9314 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -134,6 +134,11 @@ its hardware characteristcs.
 	  will lose register context when AMBA clock is removed which is observed
 	  in some replicator designs.
 
+* Optional properties for funnels:
+
+	* source: specifies the source that binds to this output port. Only
+	  trace from that source routes to this output port.
+
 Graph bindings for Coresight
 -------------------------------
 
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project


  parent reply	other threads:[~2021-05-10 12:02 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-10 11:05 [PATCH v1 0/3] coresight: Support for building more coresight paths Tao Zhang
2021-05-10 11:05 ` [PATCH v1 1/3] coresight: add support to enable " Tao Zhang
2021-05-10 11:05 ` [PATCH v1 2/3] coresight: funnel: add support for multiple output ports Tao Zhang
2021-05-10 11:05 ` Tao Zhang [this message]
2021-05-10 13:10 ` [PATCH v1 0/3] coresight: Support for building more coresight paths Suzuki K Poulose
2021-05-13  6:03   ` taozha

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