[PATCH v2 2/9] ASoC: dt-bindings: tegra: Add iommus property to Tegra graph card

[Sameer Pujar <spujar@xxxxxxxxxx>]

Document 'iommus' property for APE (Audio Processing Engine) sound
card.

Signed-off-by: Sameer Pujar <spujar@xxxxxxxxxx>
---
 .../devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml       | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
index fc271f6..2499709 100644
--- a/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
+++ b/Documentation/devicetree/bindings/sound/nvidia,tegra-audio-graph-card.yaml
@@ -45,6 +45,9 @@ properties:
     minItems: 1
     maxItems: 3
 
+  iommus:
+    maxItems: 1
+
 required:
   - clocks
   - clock-names
-- 
2.7.4