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From: Frank Li <Frank.Li@nxp.com>
Date: Fri, 17 May 2024 14:09:49 -0400
Subject: [PATCH 2/5] dt-bindings: dma: fsl-mxs-dma: Add compatible string
 "fsl,imx8qxp-dma-apbh"
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To: Miquel Raynal <miquel.raynal@bootlin.com>, 
 Richard Weinberger <richard@nod.at>, Vignesh Raghavendra <vigneshr@ti.com>, 
 Rob Herring <robh@kernel.org>, Krzysztof Kozlowski <krzk+dt@kernel.org>, 
 Conor Dooley <conor+dt@kernel.org>, Han Xu <han.xu@nxp.com>, 
 Vinod Koul <vkoul@kernel.org>, Shawn Guo <shawnguo@kernel.org>, 
 Sascha Hauer <s.hauer@pengutronix.de>, 
 Pengutronix Kernel Team <kernel@pengutronix.de>, 
 Fabio Estevam <festevam@gmail.com>, Marek Vasut <marex@denx.de>
Cc: linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, 
 linux-kernel@vger.kernel.org, dmaengine@vger.kernel.org, 
 imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, 
 Frank Li <Frank.Li@nxp.com>
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Add compatible string "fsl,imx8qxp-dma-apbh". It requires power-domains
compared with "fsl,imx28-dma-apbh".

Allow 'power-domains' property because i.MX8DXL i.MX8QM and i.MX8QXP need
it.

Keep the same restriction about 'power-domains' for other compatible
strings.

Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
 Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml b/Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml
index add9c77e8b52a..a17cf2360dd4a 100644
--- a/Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml
+++ b/Documentation/devicetree/bindings/dma/fsl,mxs-dma.yaml
@@ -11,6 +11,17 @@ maintainers:
 
 allOf:
   - $ref: dma-controller.yaml#
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: fsl,imx8qxp-dma-apbh
+    then:
+      required:
+        - power-domains
+    else:
+      properties:
+        power-domains: false
 
 properties:
   compatible:
@@ -20,6 +31,7 @@ properties:
               - fsl,imx6q-dma-apbh
               - fsl,imx6sx-dma-apbh
               - fsl,imx7d-dma-apbh
+              - fsl,imx8qxp-dma-apbh
           - const: fsl,imx28-dma-apbh
       - enum:
           - fsl,imx23-dma-apbh
@@ -42,6 +54,9 @@ properties:
   dma-channels:
     enum: [4, 8, 16]
 
+  power-domains:
+    maxItems: 1
+
 required:
   - compatible
   - reg

-- 
2.34.1