From mboxrd@z Thu Jan 1 00:00:00 1970 From: M'boumba Cedric Madianga Subject: [PATCH 3/5] dt-bindings: stm32-dma: Add property to handle STM32 DMAMUX Date: Mon, 13 Mar 2017 15:15:59 +0100 Message-ID: <1489414561-28912-4-git-send-email-cedric.madianga@gmail.com> References: <1489414561-28912-1-git-send-email-cedric.madianga@gmail.com> Return-path: In-Reply-To: <1489414561-28912-1-git-send-email-cedric.madianga-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, mark.rutland-5wv7dgnIgG8@public.gmane.org, mcoquelin.stm32-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org, alexandre.torgue-qxv4g6HH51o@public.gmane.org, dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Cc: M'boumba Cedric Madianga List-Id: devicetree@vger.kernel.org This patch adds an optional property needed for STM32 DMA controller addressed via STM32 DMAMUX. Signed-off-by: M'boumba Cedric Madianga --- 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 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html