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Message-Id: <1403815790-8548-7-git-send-email-thierry.reding@gmail.com>
Date: Thu, 26 Jun 2014 22:49:46 +0200
From: Thierry Reding <thierry.reding@...il.com>
To: Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Stephen Warren <swarren@...dotorg.org>,
Arnd Bergmann <arnd@...db.de>,
Will Deacon <will.deacon@....com>,
Joerg Roedel <joro@...tes.org>
Cc: Cho KyongHo <pullip.cho@...sung.com>,
Grant Grundler <grundler@...omium.org>,
Dave Martin <Dave.Martin@....com>,
Marc Zyngier <marc.zyngier@....com>,
Hiroshi Doyu <hdoyu@...dia.com>,
Olav Haugan <ohaugan@...eaurora.org>,
Paul Walmsley <pwalmsley@...dia.com>,
Rhyland Klein <rklein@...dia.com>,
Allen Martin <amartin@...dia.com>, devicetree@...r.kernel.org,
iommu@...ts.linux-foundation.org,
linux-arm-kernel@...ts.infradead.org, linux-tegra@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [RFC 06/10] ARM: tegra: tegra124: Enable IOMMU for display controllers
From: Thierry Reding <treding@...dia.com>
Add an iommus property to each of the display controllers and encode the
SWGROUP in the specifier.
Signed-off-by: Thierry Reding <treding@...dia.com>
---
arch/arm/boot/dts/tegra124.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index efa0f0c519be..82751d2878c4 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -3,6 +3,7 @@
#include <dt-bindings/pinctrl/pinctrl-tegra.h>
#include <dt-bindings/pinctrl/pinctrl-tegra-xusb.h>
#include <dt-bindings/interrupt-controller/arm-gic.h>
+#include <dt-bindings/memory/tegra124-mc.h>
#include "skeleton.dtsi"
@@ -104,6 +105,8 @@
reset-names = "dc";
nvidia,head = <0>;
+
+ iommus = <&mc TEGRA_SWGROUP_DC>;
};
dc@0,54240000 {
@@ -117,6 +120,8 @@
reset-names = "dc";
nvidia,head = <1>;
+
+ iommus = <&mc TEGRA_SWGROUP_DCB>;
};
hdmi@0,54280000 {
--
2.0.0
--
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