Host1x Engine Node
Device Tree Node nodewhich contains properties to configure a Host1x client engine which
is allocated to the Guest
VM.
<engine-name> {
compatible = "nvidia,tegra234-tsec";
iommus = <&smmu_niso1 TEGRA_SID_NISO1_TSEC>; status = "okay";
};
Properties
This section lists the properties that are used across different platform configurations.
Compatilibity String "compatible"
| Description | Stringspecifying the compatibility of the Host1x Engine Entry |
| Customizable | No |
| Type | String |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | NA |
| MinValue | NA |
| Recommended | “nvidia,tegra234-<engine_name>” |
Engine StreamId "iommus"
| Description | StreamId associated with the Host1x engine per HW specification. |
| Customizable | No |
| Type | <SMMUinstance, Stream Id> |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | NA |
| MinValue | NA |
| Recommended | Basedon the platform configuration |
Host1x Engine Status Flag "status"
| Description | Flag specifying whether a specific Host1x engine is enabled. |
| Customizable | Yes |
| Type | String |
| Unit | NA |
| Optional | No |
| Resolution | NA |
| MaxValue | “disabled” |
| MinValue | “okay” |
| Recommended | “okay” |