linux-kernel - [PATCH 1/7] dt-bindings: dmaengine: qcom: gpi: Allow dma-coherent

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Message-Id: <20230830-topic-8550_dmac2-v1-1-49bb25239fb1@linaro.org>
Date:   Wed, 30 Aug 2023 14:48:40 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Abel Vesa <abel.vesa@...aro.org>,
        Neil Armstrong <neil.armstrong@...aro.org>,
        Sai Prakash Ranjan <quic_saipraka@...cinc.com>,
        Vinod Koul <vkoul@...nel.org>
Cc:     Marijn Suijten <marijn.suijten@...ainline.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, dmaengine@...r.kernel.org,
        Konrad Dybcio <konrad.dybcio@...aro.org>
Subject: [PATCH 1/7] dt-bindings: dmaengine: qcom: gpi: Allow dma-coherent

On SM8550, the GPI DMA controller is coherent with the CPU.
Allow specifying that.

Signed-off-by: Konrad Dybcio <konrad.dybcio@...aro.org>
---
 Documentation/devicetree/bindings/dma/qcom,gpi.yaml | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/qcom,gpi.yaml b/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
index f61145c91b6d..88d0de3d1b46 100644
--- a/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,gpi.yaml
@@ -69,6 +69,8 @@ properties:
   dma-channel-mask:
     maxItems: 1
 
+  dma-coherent: true
+
 required:
   - compatible
   - reg

-- 
2.42.0