linux-kernel - [PATCH v2 1/1] dt-bindings: dma: Add support for SM6115 and QCS2290 SoCs

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Message-Id: <20230321184811.3325725-1-bhupesh.sharma@linaro.org>
Date:   Wed, 22 Mar 2023 00:18:11 +0530
From:   Bhupesh Sharma <bhupesh.sharma@...aro.org>
To:     dmaengine@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org
Cc:     agross@...nel.org, linux-kernel@...r.kernel.org,
        andersson@...nel.org, bhupesh.sharma@...aro.org,
        bhupesh.linux@...il.com, vkoul@...nel.org,
        krzysztof.kozlowski@...aro.org, robh+dt@...nel.org,
        konrad.dybcio@...aro.org, vladimir.zapolskiy@...aro.org
Subject: [PATCH v2 1/1] dt-bindings: dma: Add support for SM6115 and QCS2290 SoCs

Add new compatible for BAM DMA engine version v1.7.4 which is
found on Qualcomm SM6115 and QCS2290 SoCs. Since its very similar
to v1.7.0 used on SM8150 like SoCs, mark the comptible scheme
accordingly.

While at it, also update qcom,bam-dma bindings to add comments
which describe the BAM DMA versions used in SM8150 and SM8250 SoCs.
This provides an easy reference for identifying the actual BAM DMA
version available on Qualcomm SoCs.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@...aro.org>
---

Changes since v1:
 ~ v1 can be viewed here: https://lore.kernel.org/linux-arm-msm/20230320071211.3005769-1-bhupesh.sharma@linaro.org/
 ~ Addressed Konrad's comments on v1, where he suggested how compatibles
   should be used for SoCs which support BAM DMA engine v1.7.4
 ~ Dropped v1's [PATCH 2/2] in v2.

 .../devicetree/bindings/dma/qcom,bam-dma.yaml | 22 +++++++++++++------
 1 file changed, 15 insertions(+), 7 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
index f1ddcf672261..bed966fa7653 100644
--- a/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/qcom,bam-dma.yaml
@@ -15,13 +15,21 @@ allOf:
 
 properties:
   compatible:
-    enum:
-        # APQ8064, IPQ8064 and MSM8960
-      - qcom,bam-v1.3.0
-        # MSM8974, APQ8074 and APQ8084
-      - qcom,bam-v1.4.0
-        # MSM8916 and SDM845
-      - qcom,bam-v1.7.0
+    oneOf:
+      - items:
+          - enum:
+              # APQ8064, IPQ8064 and MSM8960
+              - qcom,bam-v1.3.0
+              # MSM8974, APQ8074 and APQ8084
+              - qcom,bam-v1.4.0
+              # MSM8916
+              - qcom,bam-v1.7.0
+
+      - items:
+          - enum:
+              # SDM845, SM6115, SM8150, SM8250 and QRB2290
+              - qcom,bam-v1.7.4
+          - const: qcom,bam-v1.7.0
 
   clocks:
     maxItems: 1
-- 
2.38.1