From 3ec14f5eb58f5c77713f39159e73422c187f9ca4 Mon Sep 17 00:00:00 2001
From: Fabio Estevam <fabio.estevam@nxp.com>
Date: Thu, 12 Jul 2018 10:02:37 -0300
Subject: [PATCH] ARM: dts: imx51-babbage: Enable secure-reg-access

Add 'secure-reg-access' property to enable PMU and hardware counters
so that they can be properly used with the 'perf' tool.

Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
---
 arch/arm/boot/dts/imx51-babbage.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/imx51-babbage.dts b/arch/arm/boot/dts/imx51-babbage.dts
index a4a6d4a6b55b..ba60b0cb3cc1 100644
--- a/arch/arm/boot/dts/imx51-babbage.dts
+++ b/arch/arm/boot/dts/imx51-babbage.dts
@@ -396,6 +396,10 @@
 	status = "okay";
 };
 
+&pmu {
+	secure-reg-access;
+};
+
 &ssi2 {
 	status = "okay";
 };
-- 
2.20.1