linux-kernel - [PATCHv4 5/6] dt-bindings: remoteproc: qcom: Add iommus property

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Message-Id: <561e9b42b8665fc9712fdb40a525ab8871fcbdac.1587407458.git.saiprakash.ranjan@codeaurora.org>
Date:   Tue, 21 Apr 2020 00:03:53 +0530
From:   Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
To:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Sibi Sankar <sibis@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Jordan Crouse <jcrouse@...eaurora.org>,
        Rob Clark <robdclark@...il.com>
Cc:     Stephen Boyd <swboyd@...omium.org>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org,
        Matthias Kaehlcke <mka@...omium.org>,
        Evan Green <evgreen@...omium.org>,
        Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>,
        Rob Herring <robh@...nel.org>
Subject: [PATCHv4 5/6] dt-bindings: remoteproc: qcom: Add iommus property

From: Sibi Sankar <sibis@...eaurora.org>

Add iommus property to allow Q6 modem to boot on platforms which do
not have trustZone.

Signed-off-by: Sibi Sankar <sibis@...eaurora.org>
Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@...eaurora.org>
Acked-by: Rob Herring <robh@...nel.org>
---
 Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
index 88dfa3fc15f7..130e50aab741 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
@@ -184,6 +184,9 @@ For the compatible strings below the following phandle references are required:
 		    followed by the offset within syscon for conn_box_spare0
 		    register.
 
+The Hexagon node must contain iommus property as described in ../iommu/iommu.txt
+on platforms which do not have TrustZone.
+
 = SUBNODES:
 The Hexagon node must contain two subnodes, named "mba" and "mpss" representing
 the memory regions used by the Hexagon firmware. Each sub-node must contain:
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
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