diff mbox series

[v5,1/9] dt-bindings: host1x: Add iommu-map property

Message ID 20220516085258.1227691-2-cyndis@kapsi.fi (mailing list archive)
State New, archived
Headers show
Series Host1x context isolation support | expand

Commit Message

Mikko Perttunen May 16, 2022, 8:52 a.m. UTC 
From: Mikko Perttunen <mperttunen@nvidia.com>

Add schema information for specifying context stream IDs. This uses
the standard iommu-map property.

Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
Reviewed-by: Robin Murphy <robin.murphy@arm.com>
---
v3:
* New patch
v4:
* Remove memory-contexts subnode.
---
 .../bindings/display/tegra/nvidia,tegra20-host1x.yaml        | 5 +++++
 1 file changed, 5 insertions(+)

Comments

Rob Herring (Arm) May 16, 2022, 4:27 p.m. UTC | #1 
On Mon, 16 May 2022 11:52:50 +0300, cyndis@kapsi.fi wrote:
> From: Mikko Perttunen <mperttunen@nvidia.com>
> 
> Add schema information for specifying context stream IDs. This uses
> the standard iommu-map property.
> 
> Signed-off-by: Mikko Perttunen <mperttunen@nvidia.com>
> Reviewed-by: Robin Murphy <robin.murphy@arm.com>
> ---
> v3:
> * New patch
> v4:
> * Remove memory-contexts subnode.
> ---
>  .../bindings/display/tegra/nvidia,tegra20-host1x.yaml        | 5 +++++
>  1 file changed, 5 insertions(+)
> 

Acked-by: Rob Herring <robh@kernel.org>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
index 4fd513efb0f7..0adeb03b9e3a 100644
--- a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
+++ b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
@@ -144,6 +144,11 @@  allOf:
         reset-names:
           maxItems: 1
 
+        iommu-map:
+          description: Specification of stream IDs available for memory context device
+            use. Should be a mapping of IDs 0..n to IOMMU entries corresponding to
+            usable stream IDs.
+
       required:
         - reg-names