[RFC 07/10] ARM: tegra: tegra124: Enable IOMMU for SDMMC controllers

Thierry Reding
2014-06-26T20:49:47Z

From: Thierry Reding <treding@nvidia.com>

The SDMMC controllers can use the IOMMU to avoid the need for bounce
buffers.

Signed-off-by: Thierry Reding <treding@nvidia.com>
---
arch/arm/boot/dts/tegra124.dtsi | 4 ++++
1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 82751d2878c4..bfffb4c102fb 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -607,6 +607,7 @@
resets = <&tegra_car 14>;
reset-names = "sdhci";
status = "disabled";
+ iommus = <&mc TEGRA_SWGROUP_SDMMC1A>;
};

sdhci at 0,700b0200 {
@@ -618,6 +619,7 @@
resets = <&tegra_car 9>;
reset-names = "sdhci";
status = "disabled";
+ iommus = <&mc TEGRA_SWGROUP_SDMMC2A>;
};

sdhci at 0,700b0400 {
@@ -629,6 +631,7 @@
resets = <&tegra_car 69>;
reset-names = "sdhci";
status = "disabled";
+ iommus = <&mc TEGRA_SWGROUP_SDMMC3A>;
};

sdhci at 0,700b0600 {
@@ -640,6 +643,7 @@
resets = <&tegra_car 15>;
reset-names = "sdhci";
status = "disabled";
+ iommus = <&mc TEGRA_SWGROUP_SDMMC4A>;
};

ahub at 0,70300000 {
--
2.0.0