On 11/9/20 8:50 PM, Mathieu Poirier wrote:
On Wed, Oct 28, 2020 at 10:09:45PM +0000, Suzuki K Poulose wrote:
Document the bindings for ETMs with system register accesses.
Cc: devicetree@xxxxxxxxxxxxxxx
Cc: Mathieu Poirier <mathieu.poirier@xxxxxxxxxx>
Cc: Mike Leach <mike.leach@xxxxxxxxxx>
Cc: Rob Herring <robh@xxxxxxxxxx>
Signed-off-by: Suzuki K Poulose <suzuki.poulose@xxxxxxx>
---
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..bff96a550102 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 with system register access only.
+ "arm,coresight-etm-sysreg";
Please make this "arm,coresight-etm4x-sysreg". Up to now all reference of
"etm" without a version related to ETMv3/PTM1.1. If we start mixing things it
will be come insanely confusing.
Agreed. will rename it.
Suzuki
