linux-kernel - [PATCH 2/6] dt-bindings: dma: qcom,bam: Document dma-coherent property

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Message-ID: <20250313130918.4238-3-quic_kaushalk@quicinc.com>
Date: Thu, 13 Mar 2025 18:39:14 +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 2/6] dt-bindings: dma: qcom,bam: Document dma-coherent property

SDX75 BAM DMA controller has DMA-coherent support so define
it in the properties section, without which 'dtbs_check'
reports the following error:

  controller@...c000: 'dma-coherent' does not match any of the
  regexes: 'pinctrl-[0-9]+'

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..c4dd6a503964 100644
--- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
@@ -39,6 +39,8 @@ properties:
   "#dma-cells":
     const: 1
 
+  dma-coherent: true
+
   interrupts:
     maxItems: 1
 
-- 
2.17.1