On 09/07/2021 13:08, Thierry Reding wrote:
> From: Thierry Reding <treding@xxxxxxxxxx>
>
> 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@xxxxxxxxxx>
> ---
> 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@xxxxxxxxxx>
Thanks!
Jon
--
nvpublic
