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From: Frank Li <Frank.Li@nxp.com>
Date: Tue, 27 Feb 2024 12:21:56 -0500
Subject: [PATCH 4/5] dt-bindings: fsl-dma: fsl-edma: add fsl,imx8ulp-edma
 compatible string
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To: Vinod Koul <vkoul@kernel.org>, Rob Herring <robh@kernel.org>, 
 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
 Conor Dooley <conor+dt@kernel.org>, Peng Fan <peng.fan@nxp.com>
Cc: imx@lists.linux.dev, dmaengine@vger.kernel.org, 
 linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, 
 Frank Li <Frank.Li@nxp.com>, Joy Zou <joy.zou@nxp.com>
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From: Joy Zou <joy.zou@nxp.com>

Add the compatible string 'fsl,imx8ulp-edma' to support the i.MX8ulp's
eDMA, and modify the clock number.

Signed-off-by: Joy Zou <joy.zou@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
---
 .../devicetree/bindings/dma/fsl,edma.yaml          | 24 ++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/fsl,edma.yaml b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
index aa51d278cb67b..6c04303dbe453 100644
--- a/Documentation/devicetree/bindings/dma/fsl,edma.yaml
+++ b/Documentation/devicetree/bindings/dma/fsl,edma.yaml
@@ -23,6 +23,7 @@ properties:
           - fsl,imx7ulp-edma
           - fsl,imx8qm-adma
           - fsl,imx8qm-edma
+          - fsl,imx8ulp-edma
           - fsl,imx93-edma3
           - fsl,imx93-edma4
           - fsl,imx95-edma5
@@ -53,11 +54,11 @@ properties:
 
   clocks:
     minItems: 1
-    maxItems: 2
+    maxItems: 33
 
   clock-names:
     minItems: 1
-    maxItems: 2
+    maxItems: 33
 
   big-endian:
     description: |
@@ -151,6 +152,25 @@ allOf:
         dma-channels:
           const: 32
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8ulp-edma
+    then:
+      properties:
+        clock:
+          maxItems: 33
+        clock-names:
+          items:
+            - const: dma
+            - pattern: "^CH[0-31]-clk$"
+        interrupt-names: false
+        interrupts:
+          maxItems: 32
+        "#dma-cells":
+          const: 3
+
 unevaluatedProperties: false
 
 examples:

-- 
2.34.1