linux-kernel - [PATCH v4 5/6] dt-bindings: iommu: qcom,iommu: Add QSMMUv2 and MSM8976 compatibles

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Message-Id: <20230620095127.96600-6-angelogioacchino.delregno@collabora.com>
Date:   Tue, 20 Jun 2023 11:51:26 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     agross@...nel.org
Cc:     andersson@...nel.org, konrad.dybcio@...aro.org,
        dmitry.baryshkov@...aro.org, joro@...tes.org, will@...nel.org,
        robin.murphy@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        robdclark@...il.com, linux-arm-msm@...r.kernel.org,
        iommu@...ts.linux.dev, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, kernel@...labora.com
Subject: [PATCH v4 5/6] dt-bindings: iommu: qcom,iommu: Add QSMMUv2 and MSM8976 compatibles

Add compatible string "qcom,msm-iommu-v2" for the inner node,
along with "qcom,msm8976-iommu" as a first user of it and
"qcom,msm-iommu-v2-ns" and "qcom,msm-iommu-v2-sec" for the context
bank nodes to support Qualcomm's secure fw "SMMU v2" implementation.

Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
 .../devicetree/bindings/iommu/qcom,iommu.yaml   | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
index 0446ccc4116e..b94dbab1e1f1 100644
--- a/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
+++ b/Documentation/devicetree/bindings/iommu/qcom,iommu.yaml
@@ -17,11 +17,16 @@ description: |
 
 properties:
   compatible:
-    items:
-      - enum:
-          - qcom,msm8916-iommu
-          - qcom,msm8953-iommu
-      - const: qcom,msm-iommu-v1
+    oneOf:
+      - items:
+          - enum:
+              - qcom,msm8916-iommu
+              - qcom,msm8953-iommu
+          - const: qcom,msm-iommu-v1
+      - items:
+          - enum:
+              - qcom,msm8976-iommu
+          - const: qcom,msm-iommu-v2
 
   clocks:
     items:
@@ -64,6 +69,8 @@ patternProperties:
         enum:
           - qcom,msm-iommu-v1-ns
           - qcom,msm-iommu-v1-sec
+          - qcom,msm-iommu-v2-ns
+          - qcom,msm-iommu-v2-sec
 
       interrupts:
         maxItems: 1
-- 
2.40.1