linux-kernel - [PATCH v3 2/5] dt-bindings: dma: qcom,bam: Document dma-coherent property

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Message-ID: <20250423063054.28795-3-quic_kaushalk@quicinc.com>
Date: Wed, 23 Apr 2025 12:00:51 +0530
From: Kaushal Kumar <quic_kaushalk@...cinc.com>
To: <vkoul@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
        <conor+dt@...nel.org>, <manivannan.sadhasivam@...aro.org>,
        <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <andersson@...nel.org>, <konradybcio@...nel.org>, <agross@...nel.org>
CC: <linux-arm-msm@...r.kernel.org>, <dmaengine@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-mtd@...ts.infradead.org>,
        Kaushal Kumar <quic_kaushalk@...cinc.com>
Subject: [PATCH v3 2/5] dt-bindings: dma: qcom,bam: Document dma-coherent property

Qualcomm BAM DMA controller has DMA-coherent support so define it in the
properties section.

Acked-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Kaushal Kumar <quic_kaushalk@...cinc.com>
---
 Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
index 3ad0d9b1fbc5..f2f87f0f545b 100644
--- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
@@ -42,6 +42,8 @@ properties:
   interrupts:
     maxItems: 1
 
+  dma-coherent: true
+
   iommus:
     minItems: 1
     maxItems: 6
-- 
2.17.1