linux-kernel - [PATCHv2 3/3] ARM: dts: imx53: PPD: Enable secure-reg-access

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Message-Id: <20180206142629.534-4-sebastian.reichel@collabora.co.uk>
Date:   Tue,  6 Feb 2018 15:26:29 +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>,
        Will Deacon <will.deacon@....com>,
        Mark Rutland <mark.rutland@....com>
Cc:     Russell King <linux@...linux.org.uk>, Ian Ray <ian.ray@...com>,
        Nandor Han <nandor.han@...com>,
        Rob Herring <robh+dt@...nel.org>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Sebastian Reichel <sebastian.reichel@...labora.co.uk>
Subject: [PATCHv2 3/3] ARM: dts: imx53: PPD: Enable secure-reg-access

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

Add secure-reg-access on PPD device tree 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/imx53-ppd.dts | 4 ++++
 arch/arm/boot/dts/imx53.dtsi    | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx53-ppd.dts b/arch/arm/boot/dts/imx53-ppd.dts
index cce959438a79..4ecbe6e4eecb 100644
--- a/arch/arm/boot/dts/imx53-ppd.dts
+++ b/arch/arm/boot/dts/imx53-ppd.dts
@@ -556,6 +556,10 @@
 	};
 };
 
+&pmu {
+	secure-reg-access;
+};
+
 &pwm1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_pwm1>;
diff --git a/arch/arm/boot/dts/imx53.dtsi b/arch/arm/boot/dts/imx53.dtsi
index 1040251f2951..7df4853dc771 100644
--- a/arch/arm/boot/dts/imx53.dtsi
+++ b/arch/arm/boot/dts/imx53.dtsi
@@ -116,7 +116,7 @@
 		};
 	};
 
-	pmu {
+	pmu: pmu {
 		compatible = "arm,cortex-a8-pmu";
 		interrupt-parent = <&tzic>;
 		interrupts = <77>;
-- 
2.15.1