From: cedric.madianga@gmail.com (M'boumba Cedric Madianga)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Mon, 13 Mar 2017 15:15:59 +0100 [thread overview]
Message-ID: <1489414561-28912-4-git-send-email-cedric.madianga@gmail.com> (raw)
In-Reply-To: <1489414561-28912-1-git-send-email-cedric.madianga@gmail.com>
This patch adds an optional property needed for STM32 DMA controller
addressed via STM32 DMAMUX.
Signed-off-by: M'boumba Cedric Madianga <cedric.madianga@gmail.com>
---
Documentation/devicetree/bindings/dma/stm32-dma.txt | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
index 4408af6..7b5e91a 100644
--- a/Documentation/devicetree/bindings/dma/stm32-dma.txt
+++ b/Documentation/devicetree/bindings/dma/stm32-dma.txt
@@ -16,6 +16,9 @@ Optional properties:
- resets: Reference to a reset controller asserting the DMA controller
- st,mem2mem: boolean; if defined, it indicates that the controller supports
memory-to-memory transfer
+- st,dmamux: boolean; if defined, it indicates that the controller is behind a
+ DMA multiplexer. In that case, using dma instances doesn't work for DMA
+ clients. They have to use dma-router instances.
Example:
--
1.9.1
next prev parent reply other threads:[~2017-03-13 14:15 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-13 14:15 [PATCH 0/5] Add STM32 DMAMUX support M'boumba Cedric Madianga
2017-03-13 14:15 ` [PATCH 1/5] dt-bindings: Document the STM32 DMAMUX bindings M'boumba Cedric Madianga
2017-03-20 21:34 ` Rob Herring
2017-04-26 8:58 ` Pierre Yves MORDRET
2017-03-13 14:15 ` [PATCH 2/5] dmaengine: Add STM32 DMAMUX driver M'boumba Cedric Madianga
2017-04-06 6:40 ` Vinod Koul
2017-04-26 9:17 ` Pierre Yves MORDRET
2017-05-01 6:03 ` Vinod Koul
2017-05-04 15:28 ` Pierre Yves MORDRET
2017-03-13 14:15 ` M'boumba Cedric Madianga [this message]
2017-03-20 21:37 ` [PATCH 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX Rob Herring
2017-04-26 9:23 ` Pierre Yves MORDRET
2017-03-13 14:16 ` [PATCH 4/5] dmaengine: stm32-dma: Add support for " M'boumba Cedric Madianga
2017-03-13 14:16 ` [PATCH 5/5] ARM: configs: stm32: Add DMAMUX support in STM32 defconfig M'boumba Cedric Madianga
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