From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755136Ab3AKHyu (ORCPT ); Fri, 11 Jan 2013 02:54:50 -0500 Received: from bear.ext.ti.com ([192.94.94.41]:45082 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754626Ab3AKHys convert rfc822-to-8bit (ORCPT ); Fri, 11 Jan 2013 02:54:48 -0500 From: "Hebbar, Gururaja" To: "Porter, Matt" CC: Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Rob Herring , Dan Williams , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List , Tony Lindgren , "Nori, Sekhar" , Grant Likely , Mark Brown , "Cousson, Benoit" , Russell King , Vinod Koul , Rob Landley , Chris Ball Subject: RE: [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding Thread-Topic: [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding Thread-Index: AQHN778N3Q8yXUBs106MMySLg/IG4JhDwfDw Date: Fri, 11 Jan 2013 07:54:05 +0000 Message-ID: <1BAFE6F6C881BF42822005164F1491C33EB3EBBD@DBDE01.ent.ti.com> References: <1357883330-5364-1-git-send-email-mporter@ti.com> <1357883330-5364-6-git-send-email-mporter@ti.com> In-Reply-To: <1357883330-5364-6-git-send-email-mporter@ti.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [172.24.162.25] Content-Type: text/plain; charset="Windows-1252" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, Jan 11, 2013 at 11:18:41, Porter, Matt wrote: > The binding definition is based on the generic DMA controller > binding. > > Signed-off-by: Matt Porter > --- > Documentation/devicetree/bindings/dma/ti-edma.txt | 51 +++++++++++++++++++++ > 1 file changed, 51 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..3344345 > --- /dev/null > +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt > @@ -0,0 +1,51 @@ > +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 { > + #address-cells = <1>; > + #size-cells = <0>; address-cells & size-cells are only required when current node is a parent node & it has sibling/child nodes (that too if the child node uses "reg" property). > + 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>; > +}; > -- > 1.7.9.5 > > _______________________________________________ > Davinci-linux-open-source mailing list > Davinci-linux-open-source@linux.davincidsp.com > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source > Regards, Gururaja