lkml.org 
[lkml]   [2018]   [Feb]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCHv2] ARM: dts: imx6q-bx50v3: Enable secure-reg-access
Date
From: Peter Senna Tschudin <peter.senna@collabora.com>

Enable secure debug enable register access for Bx50v3 devices to enable
PMU and hardware counters for perf.

Signed-off-by: Peter Senna Tschudin <peter.senna@collabora.com>
Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk>
---
Changes since PATCHv1:
* add property by adding a label to the pmu node in imx6qdl and
referencing it in bx50v3.dtsi.
---
arch/arm/boot/dts/imx6q-bx50v3.dtsi | 4 ++++
arch/arm/boot/dts/imx6qdl.dtsi | 2 +-
2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/arch/arm/boot/dts/imx6q-bx50v3.dtsi b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
index 916ea94d75ca..2baffc8b9094 100644
--- a/arch/arm/boot/dts/imx6q-bx50v3.dtsi
+++ b/arch/arm/boot/dts/imx6q-bx50v3.dtsi
@@ -388,3 +388,7 @@
#interrupt-cells = <1>;
};
};
+
+&pmu {
+ secure-reg-access;
+};
diff --git a/arch/arm/boot/dts/imx6qdl.dtsi b/arch/arm/boot/dts/imx6qdl.dtsi
index 59ff86695a14..2b921de44c02 100644
--- a/arch/arm/boot/dts/imx6qdl.dtsi
+++ b/arch/arm/boot/dts/imx6qdl.dtsi
@@ -143,7 +143,7 @@
};
};

- pmu {
+ pmu: pmu {
compatible = "arm,cortex-a9-pmu";
interrupt-parent = <&gpc>;
interrupts = <0 94 IRQ_TYPE_LEVEL_HIGH>;
--
2.15.1
\
 
 \ /
  Last update: 2018-02-05 18:10    [W:0.043 / U:1.836 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site