linux-kernel - [PATCH v2 1/2] dt-bindings: reserved-memory: rmtfs: Document qcom,assign-to-nav

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Message-Id: <20230102165034.830620-1-konrad.dybcio@linaro.org>
Date:   Mon,  2 Jan 2023 17:50:33 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org, krzysztof.kozlowski@...aro.org
Cc:     marijn.suijten@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/2] dt-bindings: reserved-memory: rmtfs: Document qcom,assign-to-nav

Some SoCs mandate that the RMTFS is also assigned to the NAV VM, while
others really don't want that. Since it has to be conditional, add a
bool property to toggle this behavior.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
v1 -> v2:
- Rewrite the newly added description

 .../devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
index 2998f1c8f0db..4026788a4e40 100644
--- a/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
+++ b/Documentation/devicetree/bindings/reserved-memory/qcom,rmtfs-mem.yaml
@@ -31,6 +31,12 @@ properties:
     description: >
       vmid of the remote processor, to set up memory protection
 
+  qcom,assign-to-nav:
+    type: boolean
+    description:
+      Whether to also assign the region to a third (NAV) VM, as opposed to
+      the usual 2.
+
 required:
   - qcom,client-id
 
-- 
2.39.0