From: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
To: Vinod Koul <vinod.koul@intel.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Russell King <linux@armlinux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
"M'boumba Cedric Madianga" <cedric.madianga@gmail.com>,
Fabrice GASNIER <fabrice.gasnier@st.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Fabien DESSENNE <fabien.dessenne@st.com>,
Amelie Delaunay <amelie.delaunay@st.com>,
Pierre-Yves MORDRET <pierre-yves.mordret@st.com>,
<dmaengine@vger.kernel.org>, <devicetree@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-kernel@vger.kernel.org>
Subject: [PATCH v3 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Thu, 6 Jul 2017 14:20:21 +0200 [thread overview]
Message-ID: <1499343623-5964-4-git-send-email-pierre-yves.mordret@st.com> (raw)
In-Reply-To: <1499343623-5964-1-git-send-email-pierre-yves.mordret@st.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>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
---
Version history:
v3:
* None
v2:
* Typo fix
---
---
Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
index 4408af6..340c918 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:
@@ -39,7 +42,7 @@ Example:
* DMA client
DMA clients connected to the STM32 DMA controller must use the format
-described in the dma.txt file, using a five-cell specifier for each
+described in the dma.txt file, using a four-cell specifier for each
channel: a phandle to the DMA controller plus the following four integer cells:
1. The channel id
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
To: Vinod Koul <vinod.koul@intel.com>,
Rob Herring <robh+dt@kernel.org>,
Mark Rutland <mark.rutland@arm.com>,
Maxime Coquelin <mcoquelin.stm32@gmail.com>,
Alexandre Torgue <alexandre.torgue@st.com>,
Russell King <linux@armlinux.org.uk>,
Dan Williams <dan.j.williams@intel.com>,
M'boumba Cedric Madianga <cedric.madianga@gmail.com>,
Fabrice GASNIER <fabrice.gasnier@st.com>,
Herbert Xu <herbert@gondor.apana.org.au>,
Fabien DESSENNE <fabien.dessenne@st.com>,
Amelie Delaunay <amelie.delaunay@st.com>,
Pierre-Yves MORDRET <pierre-yves.mordret@st.com>,
dmaengine@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v3 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Thu, 6 Jul 2017 14:20:21 +0200 [thread overview]
Message-ID: <1499343623-5964-4-git-send-email-pierre-yves.mordret@st.com> (raw)
In-Reply-To: <1499343623-5964-1-git-send-email-pierre-yves.mordret@st.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>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
---
Version history:
v3:
* None
v2:
* Typo fix
---
---
Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
index 4408af6..340c918 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:
@@ -39,7 +42,7 @@ Example:
* DMA client
DMA clients connected to the STM32 DMA controller must use the format
-described in the dma.txt file, using a five-cell specifier for each
+described in the dma.txt file, using a four-cell specifier for each
channel: a phandle to the DMA controller plus the following four integer cells:
1. The channel id
--
2.7.4
WARNING: multiple messages have this Message-ID (diff)
From: pierre-yves.mordret@st.com (Pierre-Yves MORDRET)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX
Date: Thu, 6 Jul 2017 14:20:21 +0200 [thread overview]
Message-ID: <1499343623-5964-4-git-send-email-pierre-yves.mordret@st.com> (raw)
In-Reply-To: <1499343623-5964-1-git-send-email-pierre-yves.mordret@st.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>
Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@st.com>
---
Version history:
v3:
* None
v2:
* Typo fix
---
---
Documentation/devicetree/bindings/dma/stm32-dma.txt | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/Documentation/devicetree/bindings/dma/stm32-dma.txt b/Documentation/devicetree/bindings/dma/stm32-dma.txt
index 4408af6..340c918 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:
@@ -39,7 +42,7 @@ Example:
* DMA client
DMA clients connected to the STM32 DMA controller must use the format
-described in the dma.txt file, using a five-cell specifier for each
+described in the dma.txt file, using a four-cell specifier for each
channel: a phandle to the DMA controller plus the following four integer cells:
1. The channel id
--
2.7.4
next prev parent reply other threads:[~2017-07-06 12:21 UTC|newest]
Thread overview: 89+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-06 12:20 [PATCH v3 0/5] Add STM32 DMAMUX support Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` [PATCH v3 1/5] dt-bindings: Document the STM32 DMAMUX bindings Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-10 3:56 ` Rob Herring
2017-07-10 3:56 ` Rob Herring
2017-07-10 3:56 ` Rob Herring
2017-07-06 12:20 ` [PATCH v3 2/5] dmaengine: Add STM32 DMAMUX driver Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-22 6:51 ` Vinod Koul
2017-07-22 6:51 ` Vinod Koul
2017-07-22 6:51 ` Vinod Koul
2017-07-24 13:55 ` Pierre Yves MORDRET
2017-07-24 13:55 ` Pierre Yves MORDRET
2017-07-24 13:55 ` Pierre Yves MORDRET
2017-07-26 5:29 ` Vinod Koul
2017-07-26 5:29 ` Vinod Koul
2017-07-26 5:29 ` Vinod Koul
2017-07-26 7:38 ` Pierre Yves MORDRET
2017-07-26 7:38 ` Pierre Yves MORDRET
2017-07-26 7:38 ` Pierre Yves MORDRET
2017-07-31 12:31 ` Vinod Koul
2017-07-31 12:31 ` Vinod Koul
2017-07-31 12:31 ` Vinod Koul
2017-08-01 9:32 ` Pierre Yves MORDRET
2017-08-01 9:32 ` Pierre Yves MORDRET
2017-08-01 9:32 ` Pierre Yves MORDRET
2017-08-02 4:55 ` Vinod Koul
2017-08-02 4:55 ` Vinod Koul
2017-08-02 4:55 ` Vinod Koul
2017-08-02 9:19 ` Peter Ujfalusi
2017-08-02 9:19 ` Peter Ujfalusi
2017-08-02 9:19 ` Peter Ujfalusi
2017-08-02 13:11 ` Pierre Yves MORDRET
2017-08-02 13:11 ` Pierre Yves MORDRET
2017-08-02 13:11 ` Pierre Yves MORDRET
2017-08-02 14:09 ` Peter Ujfalusi
2017-08-02 14:09 ` Peter Ujfalusi
2017-08-02 14:09 ` Peter Ujfalusi
2017-08-02 14:28 ` Pierre Yves MORDRET
2017-08-02 14:28 ` Pierre Yves MORDRET
2017-08-02 14:28 ` Pierre Yves MORDRET
2017-08-03 6:42 ` Peter Ujfalusi
2017-08-03 6:42 ` Peter Ujfalusi
2017-08-03 6:42 ` Peter Ujfalusi
2017-08-03 9:00 ` Pierre Yves MORDRET
2017-08-03 9:00 ` Pierre Yves MORDRET
2017-08-03 9:00 ` Pierre Yves MORDRET
2017-08-03 9:48 ` Peter Ujfalusi
2017-08-03 9:48 ` Peter Ujfalusi
2017-08-03 9:48 ` Peter Ujfalusi
2017-08-04 12:50 ` Pierre Yves MORDRET
2017-08-04 12:50 ` Pierre Yves MORDRET
2017-08-04 12:50 ` Pierre Yves MORDRET
2017-08-04 14:21 ` Peter Ujfalusi
2017-08-04 14:21 ` Peter Ujfalusi
2017-08-04 14:21 ` Peter Ujfalusi
2017-08-21 9:34 ` Pierre Yves MORDRET
2017-08-21 9:34 ` Pierre Yves MORDRET
2017-08-21 9:34 ` Pierre Yves MORDRET
2017-08-24 5:47 ` Peter Ujfalusi
2017-08-24 5:47 ` Peter Ujfalusi
2017-08-24 5:47 ` Peter Ujfalusi
2017-08-24 13:03 ` Pierre Yves MORDRET
2017-08-24 13:03 ` Pierre Yves MORDRET
2017-08-24 13:03 ` Pierre Yves MORDRET
2017-08-28 11:48 ` Peter Ujfalusi
2017-08-28 11:48 ` Peter Ujfalusi
2017-08-28 11:48 ` Peter Ujfalusi
2017-08-30 8:02 ` Pierre Yves MORDRET
2017-08-30 8:02 ` Pierre Yves MORDRET
2017-08-30 8:02 ` Pierre Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET [this message]
2017-07-06 12:20 ` [PATCH v3 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-10 3:57 ` Rob Herring
2017-07-10 3:57 ` Rob Herring
2017-07-06 12:20 ` [PATCH v3 4/5] dmaengine: stm32-dma: Add support for " Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` [PATCH v3 5/5] ARM: configs: stm32: Add DMAMUX support in STM32 defconfig Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-06 12:20 ` Pierre-Yves MORDRET
2017-07-20 9:42 ` [PATCH v3 0/5] Add STM32 DMAMUX support Pierre Yves MORDRET
2017-07-20 9:42 ` Pierre Yves MORDRET
2017-07-20 9:42 ` Pierre Yves MORDRET
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