[RFC 06/10] ARM: tegra: tegra124: Enable IOMMU for display controllers

Thierry Reding
2014-06-26T20:49:46Z

From: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

Add an iommus property to each of the display controllers and encode the
SWGROUP in the specifier.

Signed-off-by: Thierry Reding <treding-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
---
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