From a0f2a39b5e010727b5f9f35a19cc6832eb2f03ef Mon Sep 17 00:00:00 2001
From: Tingwei Zhang <tingweiz@qti.qualcomm.com>
Date: Tue, 3 Sep 2019 20:25:21 +0800
Subject: [PATCH] dt-bindings: arm: coresight: add trace unit power property

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

Change-Id: Ia6625b2c2fb737950614ef6c0436f523af3ceed4
---
 bindings/arm/coresight.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bindings/arm/coresight.txt b/bindings/arm/coresight.txt
index fcc3bacfd8bc..ed4d6de2d35a 100644
--- a/bindings/arm/coresight.txt
+++ b/bindings/arm/coresight.txt
@@ -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