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Message-Id: <20240227-8ulp_edma-v1-4-7fcfe1e265c2@nxp.com>
Date: Tue, 27 Feb 2024 12:21:56 -0500
From: Frank Li <Frank.Li@....com>
To: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Peng Fan <peng.fan@....com>
Cc: imx@...ts.linux.dev, dmaengine@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
Frank Li <Frank.Li@....com>, Joy Zou <joy.zou@....com>
Subject: [PATCH 4/5] dt-bindings: fsl-dma: fsl-edma: add fsl,imx8ulp-edma
compatible string
From: Joy Zou <joy.zou@....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@....com>
Reviewed-by: Frank Li <Frank.Li@....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
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