linux-kernel - [PATCH v2 1/3] dt-bindings: remoteproc: qcom: Add iommus property

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Date:   Tue, 17 Mar 2020 20:39:08 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     bjorn.andersson@...aro.org, robh+dt@...nel.org, joro@...tes.org,
        robin.murphy@....com
Cc:     linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, iommu@...ts.linux-foundation.org,
        linux-remoteproc@...r.kernel.org, ohad@...ery.com,
        agross@...nel.org, dianders@...omium.org,
        Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH v2 1/3] dt-bindings: remoteproc: qcom: Add iommus property

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

Signed-off-by: Sibi Sankar <sibis@...eaurora.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 88dfa3fc15f78..130e50aab7419 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:
-- 
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a Linux Foundation Collaborative Project