From dea29f5b1ab07b98e2732c064c77bb51f7144f95 Mon Sep 17 00:00:00 2001
From: Prakash Gupta <guptap@qti.qualcomm.com>
Date: Fri, 31 Jan 2020 11:47:23 +0530
Subject: [PATCH] dt-bindings: iommu: add support for qcom,iommu-geometry

Add support for "qcom,iommu-geometry" property to specify iova geometry.

Change-Id: I13c935f7265d3033b42559e574211dc5847fc181
---
 bindings/iommu/arm,smmu.txt | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bindings/iommu/arm,smmu.txt b/bindings/iommu/arm,smmu.txt
index 43a93023c1f8..b5352f862cb3 100644
--- a/bindings/iommu/arm,smmu.txt
+++ b/bindings/iommu/arm,smmu.txt
@@ -156,6 +156,12 @@ conditions.
                   clients who do not detach, it's not possible to keep regulator
                   vote while smmu is attached. Type is <u32>.
 
+- qcom,iommu-geometry:
+		  Allow clients to set the available IOVA space for fastmap
+		  clients. The new space created will be a superset of the IOVA
+		  range which was created through the qcom,iommu-dma-addr-pool
+		  DT property.
+
 - (%s)-supply   : Phandle of the regulator that should be powered on during
                   SMMU register access. (%s) is a string from the
 		  qcom,regulator-names property.