[PATCH v3 2/7] dt-bindings: stm32-dmamux: Add one cell to support DMA/MDMA chain
From: robh@kernel.org (Rob Herring)
Date: 2018-10-12 14:47:03
Also in:
dmaengine, linux-devicetree, lkml
From: robh@kernel.org (Rob Herring)
Date: 2018-10-12 14:47:03
Also in:
dmaengine, linux-devicetree, lkml
On Fri, Sep 28, 2018 at 03:01:50PM +0200, Pierre-Yves MORDRET wrote:
From: M'boumba Cedric Madianga <redacted> Add one cell to support DMA/MDMA chaining.
You aren't adding a cell. Is the change compatible with existing users (if you mask bits)?
Signed-off-by: Pierre-Yves MORDRET <redacted>
Author S-o-b missing.
--- 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