linux-kernel - [PATCHv2 4/4] dt-bindings: arm: coresight: Add optional property to replicators

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Message-Id: <c9d7748393ece489f9c8510925c2ddb1608db5b0.1589894597.git.saiprakash.ranjan@codeaurora.org>
Date:   Tue, 19 May 2020 19:06:03 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Mathieu Poirier <mathieu.poirier@...aro.org>,
        Suzuki K Poulose <suzuki.poulose@....com>,
        Mike Leach <mike.leach@...aro.org>
Cc:     Stephen Boyd <swboyd@...omium.org>, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, coresight@...ts.linaro.org,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Subject: [PATCHv2 4/4] dt-bindings: arm: coresight: Add optional property to replicators

Add an optional boolean property "qcom,replicator-loses-context" to
identify replicators which loses context when AMBA clocks are removed
in certain configurable replicator designs.

Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
---
 Documentation/devicetree/bindings/arm/coresight.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index 846f6daae71b..b598a5f0037d 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -121,6 +121,12 @@ its hardware characteristcs.
 	* interrupts : Exactly one SPI may be listed for reporting the address
 	  error
 
+* Optional property for configurable replicators:
+
+	* qcom,replicator-loses-context: boolean. Indicates that the replicator
+	  will lose register context when AMBA clock is removed which is observed
+	  in some replicator designs.
+
 Graph bindings for Coresight
 -------------------------------
 
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