From: Thierry Reding treding@nvidia.com
Add iommus and interconnects properties to the ADMAIF device tree node on Tegra194. This ensures that the correct SID is used for translation of physical to I/O virtual addresses and that the path to system memory is properly described, which in turn can impact the range of memory that the device can address.
Signed-off-by: Thierry Reding treding@nvidia.com --- arch/arm64/boot/dts/nvidia/tegra194.dtsi | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index b7d532841390..07e61f084123 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -200,6 +200,10 @@ tegra_admaif: admaif@290f000 { "rx19", "tx19", "rx20", "tx20"; status = "disabled"; + interconnects = <&mc TEGRA194_MEMORY_CLIENT_APEDMAR &emc>, + <&mc TEGRA194_MEMORY_CLIENT_APEDMAW &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_APE>; };
tegra_i2s1: i2s@2901000 {