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author | Suzuki K Poulose <suzuki.poulose@arm.com> | 2021-02-01 21:13:48 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-02-04 19:00:34 +0300 |
commit | 61c68c68b826182d93f5e4fe77eb92676a28d513 (patch) | |
tree | c2425ab7d03576b4d55311a22f8d67278410d90e /Documentation | |
parent | 5214b563588e8414193bd7a174c52350256942a6 (diff) | |
download | linux-61c68c68b826182d93f5e4fe77eb92676a28d513.tar.xz |
dts: bindings: coresight: ETM system register access only units
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>
Diffstat (limited to 'Documentation')
-rw-r--r-- | Documentation/devicetree/bindings/arm/coresight.txt | 5 |
1 files changed, 4 insertions, 1 deletions
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"; |