From mboxrd@z Thu Jan 1 00:00:00 1970 From: Matt Porter Subject: Re: [PATCH v9 5/9] dmaengine: edma: Add TI EDMA device tree binding Date: Tue, 12 Mar 2013 12:23:10 -0400 Message-ID: <20130312162310.GZ6209@beef> References: <1362586540-10393-1-git-send-email-mporter@ti.com> <1362586540-10393-6-git-send-email-mporter@ti.com> <1ced8cac7b9b41f596f0385e1f4f1f40@DFLE72.ent.ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Linux DaVinci Kernel List , Russell King , "Cousson, Benoit" , Arnd Bergmann , Linux Documentation List , Tony Lindgren , Devicetree Discuss , Mark Brown , Linux MMC List , Linux Kernel Mailing List , Rob Herring , Vinod Koul , Rob Landley , Linux SPI Devel List , Andrew Morton , Linux OMAP List , Linux ARM Kernel List To: "Nori, Sekhar" Return-path: Content-Disposition: inline In-Reply-To: <1ced8cac7b9b41f596f0385e1f4f1f40-S6owGmh5AOyIQmiDNMet8wC/G2K4zDHf@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: spi-devel-general-bounces-5NWGOfrQmneRv+LV9MX5uipxlwaOVQ5f@public.gmane.org List-Id: linux-spi.vger.kernel.org On Tue, Mar 12, 2013 at 06:53:03AM +0000, Sekhar Nori wrote: > On 3/6/2013 9:45 PM, Matt Porter wrote: > > The binding definition is based on the generic DMA controller > > binding. > > > > Signed-off-by: Matt Porter > > Okay the bindings the documented after they are used leading to some > confusion. This patch should be moved up the series. As I noted in my > other e-mail, some of these bindings are not really hardware description > and need to be re-looked. Sure, I'll reorder it. -Matt > > --- > > Documentation/devicetree/bindings/dma/ti-edma.txt | 49 +++++++++++++++++++++ > > 1 file changed, 49 insertions(+) > > create mode 100644 Documentation/devicetree/bindings/dma/ti-edma.txt > > > > diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt > > new file mode 100644 > > index 0000000..075a60e3 > > --- /dev/null > > +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt > > @@ -0,0 +1,49 @@ > > +TI EDMA > > + > > +Required properties: > > +- compatible : "ti,edma3" > > +- ti,hwmods: Name of the hwmods associated to the EDMA > > +- ti,edma-regions: Number of regions > > +- ti,edma-slots: Number of slots > > +- ti,edma-queue-tc-map: List of transfer control to queue mappings > > +- ti,edma-queue-priority-map: List of queue priority mappings > > +- ti,edma-default-queue: Default queue value > > + > > +Optional properties: > > +- ti,edma-reserved-channels: List of reserved channel regions > > +- ti,edma-reserved-slots: List of reserved slot regions > > +- ti,edma-xbar-event-map: Crossbar event to channel map > > + > > +Example: > > + > > +edma: edma@49000000 { > > + reg = <0x49000000 0x10000>; > > + interrupt-parent = <&intc>; > > + interrupts = <12 13 14>; > > + compatible = "ti,edma3"; > > + ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2"; > > + #dma-cells = <1>; > > + dma-channels = <64>; > > + ti,edma-regions = <4>; > > + ti,edma-slots = <256>; > > + ti,edma-reserved-channels = <0 2 > > + 14 2 > > + 26 6 > > + 48 4 > > + 56 8>; > > + ti,edma-reserved-slots = <0 2 > > + 14 2 > > + 26 6 > > + 48 4 > > + 56 8 > > + 64 127>; > > + ti,edma-queue-tc-map = <0 0 > > + 1 1 > > + 2 2>; > > + ti,edma-queue-priority-map = <0 0 > > + 1 1 > > + 2 2>; > > + ti,edma-default-queue = <0>; > > + ti,edma-xbar-event-map = <1 12 > > + 2 13>; > > +}; > > ------------------------------------------------------------------------------ Symantec Endpoint Protection 12 positioned as A LEADER in The Forrester Wave(TM): Endpoint Security, Q1 2013 and "remains a good choice" in the endpoint security space. For insight on selecting the right partner to tackle endpoint security challenges, access the full report. http://p.sf.net/sfu/symantec-dev2dev