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Date: Thu, 7 Jan 2021 12:38:57 +0000
From: Suzuki K Poulose <suzuki.poulose@....com>
To: linux-arm-kernel@...ts.infradead.org
Cc: linux-kernel@...r.kernel.org, coresight@...ts.linaro.org,
mathieu.poirier@...aro.org, leo.yan@...aro.org,
mike.leach@...aro.org, anshuman.khandual@....com,
Suzuki K Poulose <suzuki.poulose@....com>,
devicetree@...r.kernel.org, Rob Herring <robh@...nel.org>
Subject: [PATCH v6 24/26] dts: bindings: coresight: ETM system register access only units
Document the bindings for ETMs with system register accesses.
Cc: devicetree@...r.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@...aro.org>
Cc: Mike Leach <mike.leach@...aro.org>
Acked-by: Rob Herring <robh@...nel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@....com>
---
Documentation/devicetree/bindings/arm/coresight.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/arm/coresight.txt b/Documentation/devicetree/bindings/arm/coresight.txt
index d711676b4a51..7f9c1ca87487 100644
--- a/Documentation/devicetree/bindings/arm/coresight.txt
+++ b/Documentation/devicetree/bindings/arm/coresight.txt
@@ -34,9 +34,12 @@ its hardware characteristcs.
Program Flow Trace Macrocell:
"arm,coresight-etm3x", "arm,primecell";
- - Embedded Trace Macrocell (version 4.x):
+ - Embedded Trace Macrocell (version 4.x), with memory mapped access.
"arm,coresight-etm4x", "arm,primecell";
+ - Embedded Trace Macrocell (version 4.x), with system register access only.
+ "arm,coresight-etm4x-sysreg";
+
- Coresight programmable Replicator :
"arm,coresight-dynamic-replicator", "arm,primecell";
--
2.24.1
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