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dt-bindings: arm: coresight: add trace unit power property

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Add trace unit power property to ETM. This property indicates
power unit should be power on across power collapse.

Change-Id: Ia6625b2c2fb737950614ef6c0436f523af3ceed4
This commit is contained in:
Tingwei Zhang 2019-09-03 20:25:21 +08:00
commit a0f2a39b5e
1 changed files with 3 additions and 0 deletions
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3
bindings/arm/coresight.txt
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@ -92,6 +92,9 @@ its hardware characteristcs.
* arm,cp14: must be present if the system accesses ETM/PTM management
registers via co-processor 14.
* qcom,tupwr-disable: For ETM, don't keep trace unit powered across
power collapse.
* Optional property for TMC:
* arm,buffer-size: size of contiguous buffer space for TMC ETR