From: Thierry Reding <tred...@nvidia.com>

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

Signed-off-by: Thierry Reding <tred...@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@0,700b0200 {
@@ -618,6 +619,7 @@
                resets = <&tegra_car 9>;
                reset-names = "sdhci";
                status = "disabled";
+               iommus = <&mc TEGRA_SWGROUP_SDMMC2A>;
        };
 
        sdhci@0,700b0400 {
@@ -629,6 +631,7 @@
                resets = <&tegra_car 69>;
                reset-names = "sdhci";
                status = "disabled";
+               iommus = <&mc TEGRA_SWGROUP_SDMMC3A>;
        };
 
        sdhci@0,700b0600 {
@@ -640,6 +643,7 @@
                resets = <&tegra_car 15>;
                reset-names = "sdhci";
                status = "disabled";
+               iommus = <&mc TEGRA_SWGROUP_SDMMC4A>;
        };
 
        ahub@0,70300000 {
-- 
2.0.0

_______________________________________________
iommu mailing list
iommu@lists.linux-foundation.org
https://lists.linuxfoundation.org/mailman/listinfo/iommu

Reply via email to