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Message-Id: <20220621151022.1416300-4-cyndis@kapsi.fi>
Date: Tue, 21 Jun 2022 18:10:15 +0300
From: Mikko Perttunen <cyndis@...si.fi>
To: thierry.reding@...il.com, jonathanh@...dia.com, joro@...tes.org,
will@...nel.org, robin.murphy@....com, robh+dt@...nel.org,
krzysztof.kozlowski@...onical.com
Cc: linux-tegra@...r.kernel.org, dri-devel@...ts.freedesktop.org,
iommu@...ts.linux-foundation.org, linux-kernel@...r.kernel.org,
devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
Mikko Perttunen <mperttunen@...dia.com>,
Rob Herring <robh@...nel.org>
Subject: [PATCH v6 03/10] dt-bindings: host1x: Add iommu-map property
From: Mikko Perttunen <mperttunen@...dia.com>
Add schema information for specifying context stream IDs. This uses
the standard iommu-map property.
Signed-off-by: Mikko Perttunen <mperttunen@...dia.com>
Reviewed-by: Robin Murphy <robin.murphy@....com>
Acked-by: Rob Herring <robh@...nel.org>
---
v3:
* New patch
v4:
* Remove memory-contexts subnode.
---
.../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 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
--
2.36.1
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