linux-kernel - [PATCH 2/3] dt-bindings: remoteproc: qcom: Add modem-firmware bindings

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Date:   Mon,  9 Mar 2020 23:52:54 +0530
From:   Sibi Sankar <sibis@...eaurora.org>
To:     bjorn.andersson@...aro.org, robh+dt@...nel.org, joro@...tes.org
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, Sibi Sankar <sibis@...eaurora.org>
Subject: [PATCH 2/3] dt-bindings: remoteproc: qcom: Add modem-firmware bindings

Introduce modem-firmware binding 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 | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
index 88dfa3fc15f78..b1715bc90fb05 100644
--- a/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
+++ b/Documentation/devicetree/bindings/remoteproc/qcom,q6v5.txt
@@ -198,6 +198,10 @@ The Hexagon node may also have an subnode named either "smd-edge" or
 related to the Hexagon.  See ../soc/qcom/qcom,smd.txt and
 ../soc/qcom/qcom,glink.txt for details on how to describe these.
 
+The Hexagon node must contain a subnode named "modem-firmware" on
+platforms which do not have TrustZone. The sub-node should have the
+iommu property as described in ../iommu/iommu.txt.
+
 = EXAMPLE
 The following example describes the resources needed to boot control the
 Hexagon, as it is found on MSM8974 boards.
-- 
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project