linux-kernel - [PATCH] dt-bindings: dma: qcom,bam-dma: add optional memory interconnect properties

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Message-Id: <20230207-topic-sm8550-upstream-bam-dma-bindings-fix-v1-1-57dba71e8727@linaro.org>
Date:   Tue, 07 Feb 2023 11:03:10 +0100
From:   Neil Armstrong <neil.armstrong@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     linux-arm-msm@...r.kernel.org, dmaengine@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: [PATCH] dt-bindings: dma: qcom,bam-dma: add optional memory
 interconnect properties

Recents SoCs like the SM8450 or SM8550 requires memory interconnect
in order to have functional DMA.

Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
---
 Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
index 003098caf709..e922fafca833 100644
--- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
@@ -36,6 +36,12 @@ properties:
   interrupts:
     maxItems: 1
 
+  interconnects:
+    description: Path leading to system memory
+
+  interconnect-names:
+    const: memory
+
   iommus:
     minItems: 1
     maxItems: 4

---
base-commit: 49a8133221c71b935f36a7c340c0271c2a9ee2db
change-id: 20230207-topic-sm8550-upstream-bam-dma-bindings-fix-81929c3bea5c

Best regards,
-- 
Neil Armstrong <neil.armstrong@...aro.org>