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Date: Fri, 28 Sep 2018 15:01:50 +0200
From: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
To: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexandre Torgue <alexandre.torgue@...com>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Dan Williams <dan.j.williams@...el.com>,
<devicetree@...r.kernel.org>, <dmaengine@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-kernel@...r.kernel.org>
CC: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
Subject: [PATCH v3 2/7] dt-bindings: stm32-dmamux: Add one cell to support DMA/MDMA chain
From: M'boumba Cedric Madianga <cedric.madianga@...il.com>
Add one cell to support DMA/MDMA chaining.
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@...com>
---
Version history:
v3:
v2:
* rework content
v1:
* Initial
---
---
Documentation/devicetree/bindings/dma/stm32-dmamux.txt | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/Documentation/devicetree/bindings/dma/stm32-dmamux.txt b/Documentation/devicetree/bindings/dma/stm32-dmamux.txt
index 1b893b2..5e92b59 100644
--- a/Documentation/devicetree/bindings/dma/stm32-dmamux.txt
+++ b/Documentation/devicetree/bindings/dma/stm32-dmamux.txt
@@ -4,9 +4,9 @@ Required properties:
- compatible: "st,stm32h7-dmamux"
- reg: Memory map for accessing module
- #dma-cells: Should be set to <3>.
- First parameter is request line number.
- Second is DMA channel configuration
- Third is Fifo threshold
+- First parameter is request line number.
+- Second is DMA channel configuration
+- Third is a 32bit bitfield
For more details about the three cells, please see
stm32-dma.txt documentation binding file
- dma-masters: Phandle pointing to the DMA controllers.
--
2.7.4
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