From: Suzuki K Poulose Date: Mon, 1 Feb 2021 18:13:48 +0000 (-0700) Subject: dts: bindings: coresight: ETM system register access only units X-Git-Tag: v5.12-rc1~46^2~69 X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=61c68c68b826182d93f5e4fe77eb92676a28d513;p=linux-block.git 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 Cc: Mike Leach Acked-by: Rob Herring Signed-off-by: Suzuki K Poulose Signed-off-by: Mathieu Poirier Link: https://lore.kernel.org/r/20210201181351.1475223-29-mathieu.poirier@linaro.org Signed-off-by: Greg Kroah-Hartman --- 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";