| Message ID | 20210709120812.2529034-1-thierry.reding@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: tegra: Enable audio IOMMU support on Tegra194 | expand |
On 09/07/2021 13:08, Thierry Reding wrote: > From: Thierry Reding <treding@nvidia.com> > > Add iommus and interconnects properties to the sound 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 | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > index a6e61d899a27..076d5efc4c3d 100644 > --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi > +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi > @@ -2477,6 +2477,11 @@ sound { > * for 8x and 11.025x sample rate streams. > */ > assigned-clock-rates = <258000000>; > + > + interconnects = <&mc TEGRA194_MEMORY_CLIENT_APEDMAR &emc>, > + <&mc TEGRA194_MEMORY_CLIENT_APEDMAW &emc>; > + interconnect-names = "dma-mem", "write"; > + iommus = <&smmu TEGRA194_SID_APE>; > }; > > tcu: tcu { > Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Thanks! Jon
diff --git a/arch/arm64/boot/dts/nvidia/tegra194.dtsi b/arch/arm64/boot/dts/nvidia/tegra194.dtsi index a6e61d899a27..076d5efc4c3d 100644 --- a/arch/arm64/boot/dts/nvidia/tegra194.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra194.dtsi @@ -2477,6 +2477,11 @@ sound { * for 8x and 11.025x sample rate streams. */ assigned-clock-rates = <258000000>; + + interconnects = <&mc TEGRA194_MEMORY_CLIENT_APEDMAR &emc>, + <&mc TEGRA194_MEMORY_CLIENT_APEDMAW &emc>; + interconnect-names = "dma-mem", "write"; + iommus = <&smmu TEGRA194_SID_APE>; }; tcu: tcu {