Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932281Ab3CLGxo (ORCPT ); Tue, 12 Mar 2013 02:53:44 -0400 Received: from arroyo.ext.ti.com ([192.94.94.40]:51654 "EHLO arroyo.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751343Ab3CLGxm (ORCPT ); Tue, 12 Mar 2013 02:53:42 -0400 Message-ID: <513ED0CF.6070302@ti.com> Date: Tue, 12 Mar 2013 12:23:03 +0530 From: Sekhar Nori User-Agent: Mozilla/5.0 (Windows NT 5.1; rv:17.0) Gecko/20130215 Thunderbird/17.0.3 MIME-Version: 1.0 To: Matt Porter CC: Tony Lindgren , Grant Likely , Rob Herring , Vinod Koul , Mark Brown , Benoit Cousson , Russell King , Rob Landley , Andrew Morton , Devicetree Discuss , Linux OMAP List , Linux ARM Kernel List , Linux DaVinci Kernel List , Linux Kernel Mailing List , Linux Documentation List , Linux MMC List , Linux SPI Devel List , Arnd Bergmann Subject: Re: [PATCH v9 5/9] dmaengine: edma: Add TI EDMA device tree binding References: <1362586540-10393-1-git-send-email-mporter@ti.com> <1362586540-10393-6-git-send-email-mporter@ti.com> In-Reply-To: <1362586540-10393-6-git-send-email-mporter@ti.com> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2478 Lines: 80 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. Thanks, Sekhar > --- > 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>; > +}; > -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/