linux-kernel - [PATCH v2 1/6] dt-bindings: arm-smmu: Use qcom,smmu compatible for MMU500 adreno SMMUs

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Date:   Fri, 17 Feb 2023 12:16:08 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     linux-arm-msm@...r.kernel.org, andersson@...nel.org,
        agross@...nel.org
Cc:     marijn.suijten@...ainline.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Will Deacon <will@...nel.org>,
        Robin Murphy <robin.murphy@....com>,
        Joerg Roedel <joro@...tes.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 1/6] dt-bindings: arm-smmu: Use qcom,smmu compatible for MMU500 adreno SMMUs

qcom,smmu-500 was introduced to prevent people from adding new
compatibles for what seems to roughly be the same hardware. Use it for
qcom,adreno-smmu-compatible targets as well.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
v1 -> v2:
- Add this patch, omitted previously (big oops)

 .../devicetree/bindings/iommu/arm,smmu.yaml        | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
index 807cb511fe18..4d7f61700cae 100644
--- a/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
+++ b/Documentation/devicetree/bindings/iommu/arm,smmu.yaml
@@ -75,9 +75,19 @@ properties:
               - qcom,sm8350-smmu-500
               - qcom,sm8450-smmu-500
           - const: arm,mmu-500
-
-      - description: Qcom Adreno GPUs implementing "arm,smmu-500"
+      - description: Qcom Adreno GPUs implementing "qcom,smmu-500" and "arm,smmu-500"
+        items:
+          - enum:
+              - qcom,sc7280-smmu-500
+              - qcom,sm8150-smmu-500
+              - qcom,sm8250-smmu-500
+          - const: qcom,adreno-smmu
+          - const: qcom,smmu-500
+          - const: arm,mmu-500
+      - description: Qcom Adreno GPUs implementing "arm,smmu-500" (legacy binding)
+        deprecated: true
         items:
+          # Do not add additional SoC to this list. Instead use previous list.
           - enum:
               - qcom,sc7280-smmu-500
               - qcom,sm8150-smmu-500
-- 
2.39.1