From ea1a6270ff4fa4460914cf788b0560271a577615 Mon Sep 17 00:00:00 2001
From: Mikko Perttunen <mperttunen@nvidia.com>
Date: Mon, 27 Jun 2022 17:19:47 +0300
Subject: [PATCH] dt-bindings: host1x: Add iommu-map property

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>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
 .../bindings/display/tegra/nvidia,tegra20-host1x.yaml        | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml b/Documentation/devicetree/bindings/display/tegra/nvidia,tegra20-host1x.yaml
index 5b3df384f1a07..fcfda5d7b00f1 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
 
-- 
2.30.2