From patchwork Thu Jun 20 21:06:37 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Fernandes, Joel A" X-Patchwork-Id: 2758321 Return-Path: X-Original-To: patchwork-davinci@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.19.201]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 8B5249F472 for ; Thu, 20 Jun 2013 21:09:38 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id B899920260 for ; Thu, 20 Jun 2013 21:09:37 +0000 (UTC) Received: from arroyo.ext.ti.com (arroyo.ext.ti.com [192.94.94.40]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AA02A20298 for ; Thu, 20 Jun 2013 21:09:36 +0000 (UTC) Received: from dlelxv90.itg.ti.com ([172.17.2.17]) by arroyo.ext.ti.com (8.13.7/8.13.7) with ESMTP id r5KL8NWw019541; Thu, 20 Jun 2013 16:08:23 -0500 Received: from DLEE70.ent.ti.com (dlee70.ent.ti.com [157.170.170.113]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r5KL8NGY014515; Thu, 20 Jun 2013 16:08:23 -0500 Received: from dlelxv23.itg.ti.com (172.17.1.198) by DLEE70.ent.ti.com (157.170.170.113) with Microsoft SMTP Server id 14.2.342.3; Thu, 20 Jun 2013 16:08:23 -0500 Received: from linux.omap.com (dlelxs01.itg.ti.com [157.170.227.31]) by dlelxv23.itg.ti.com (8.13.8/8.13.8) with ESMTP id r5KL8NI0014371; Thu, 20 Jun 2013 16:08:23 -0500 Received: from linux.omap.com (localhost [127.0.0.1]) by linux.omap.com (Postfix) with ESMTP id 39DC68062B; Thu, 20 Jun 2013 16:08:23 -0500 (CDT) X-Original-To: davinci-linux-open-source@linux.davincidsp.com Delivered-To: davinci-linux-open-source@linux.davincidsp.com Received: from dlelxv90.itg.ti.com (dlelxv90.itg.ti.com [172.17.2.17]) by linux.omap.com (Postfix) with ESMTP id C783080627 for ; Thu, 20 Jun 2013 16:06:57 -0500 (CDT) Received: from DFLE73.ent.ti.com (dfle73.ent.ti.com [128.247.5.110]) by dlelxv90.itg.ti.com (8.14.3/8.13.8) with ESMTP id r5KL6v8x010681; Thu, 20 Jun 2013 16:06:57 -0500 Received: from dlelxv22.itg.ti.com (172.17.1.197) by DFLE73.ent.ti.com (128.247.5.110) with Microsoft SMTP Server id 14.2.342.3; Thu, 20 Jun 2013 16:06:57 -0500 Received: from localhost.localdomain (lta0273324.am.dhcp.ti.com [128.247.106.216]) by dlelxv22.itg.ti.com (8.13.8/8.13.8) with ESMTP id r5KL6luM008775; Thu, 20 Jun 2013 16:06:57 -0500 From: Joel A Fernandes To: Tony Lindgren , Sekhar Nori , Matt Porter , Grant Likely , Rob Herring , Vinod Koul , Mark Brown , Benoit Cousson , Russell King , Rob Landley , Andrew Morton , Jason Kridner , Koen Kooi Subject: [PATCH v12 01/11] dmaengine: edma: Add TI EDMA device tree binding Date: Thu, 20 Jun 2013 16:06:37 -0500 Message-ID: <1371762407-24544-2-git-send-email-joelagnel@ti.com> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1371762407-24544-1-git-send-email-joelagnel@ti.com> References: <1371762407-24544-1-git-send-email-joelagnel@ti.com> MIME-Version: 1.0 CC: Joel A Fernandes , Linux DaVinci Kernel List , Arnd Bergmann , Linux Documentation List , Devicetree Discuss , Linux MMC List , Linux Kernel Mailing List , Linux SPI Devel List , Linux OMAP List , Linux ARM Kernel List X-BeenThere: davinci-linux-open-source@linux.davincidsp.com X-Mailman-Version: 2.1.12 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: Errors-To: davinci-linux-open-source-bounces@linux.davincidsp.com X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matt Porter The binding definition is based on the generic DMA controller binding. Joel: * Droped reserved and queue DT entries from Documentation for now from the original patch series (v10) * Included properties in Documentation and clarified DMA properties (V11) * Made ti,hwmod option * Clarified DMA entries Acked-by: Arnd Bergmann Signed-off-by: Matt Porter Signed-off-by: Joel A Fernandes --- Documentation/devicetree/bindings/dma/ti-edma.txt | 34 +++++++++++++++++++++ 1 file changed, 34 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..9fbbdb7 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt @@ -0,0 +1,34 @@ +TI EDMA + +Required properties: +- compatible : "ti,edma3" +- ti,edma-regions: Number of regions +- ti,edma-slots: Number of slots +- #dma-cells: Should be set to <1> + Clients should use a single channel number per DMA request. +- dma-channels: Specify total DMA channels per CC +- reg: Memory map for accessing module +- interrupt-parent: Interrupt controller the interrupt is routed through +- interrupts: Exactly 3 interrupts need to be specified in the order: + 1. Transfer completion interrupt. + 2. Memory protection interrupt. + 3. Error interrupt. +Optional properties: +- ti,hwmods: Name of the hwmods associated to the EDMA +- 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-xbar-event-map = <1 12 + 2 13>; +};