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dts: bindings: coresight: ETM system register access only units

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Document the bindings for ETMs with system register accesses.

Link: https://lore.kernel.org/r/20210110224850.1880240-27-suzuki.poulose@arm.com
Cc: devicetree@vger.kernel.org
Cc: Mathieu Poirier <mathieu.poirier@linaro.org>
Cc: Mike Leach <mike.leach@linaro.org>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20210201181351.1475223-29-mathieu.poirier@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Suzuki K Poulose 2021-02-01 11:13:48 -07:00 committed by Greg Kroah-Hartman
parent 5214b56358
commit 61c68c68b8
1 changed files with 4 additions and 1 deletions
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5
Documentation/devicetree/bindings/arm/coresight.txt
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@ -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";