linux-kernel - [PATCH] ARM: dts: imx6q-bx50v3: Enable secure-reg-access

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Message-Id: <20180115160722.17206-1-sebastian.reichel@collabora.co.uk>
Date:   Mon, 15 Jan 2018 17:07:22 +0100
From:   Sebastian Reichel <sebastian.reichel@...labora.co.uk>
To:     Shawn Guo <shawnguo@...nel.org>,
        Sascha Hauer <kernel@...gutronix.de>,
        Fabio Estevam <fabio.estevam@....com>
Cc:     Ian Ray <ian.ray@...com>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCH] ARM: dts: imx6q-bx50v3: Enable secure-reg-access

From: Peter Senna Tschudin <peter.senna@...labora.com>

Add secure-reg-access on device tree include file for Bx50 devices
to enable PMU and hardware counters for perf.

Signed-off-by: Peter Senna Tschudin <peter.senna@...labora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.co.uk>
---
 arch/arm/boot/dts/imx6q-bx50v3.dtsi | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index 86cfd4481e72..ccaaee83e2fa 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -43,6 +43,13 @@
 #include "imx6q-ba16.dtsi"
 
 / {
+	soc {
+		pmu {
+			compatible = "arm,cortex-a9-pmu";
+			secure-reg-access;
+		};
+	};
+
 	clocks {
 		mclk: clock@0 {
 			compatible = "fixed-clock";
-- 
2.15.1