From patchwork Tue Mar 5 20:53:11 2013 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 2221681 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork2.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork2.kernel.org (Postfix) with ESMTP id 06E49DF24C for ; Tue, 5 Mar 2013 20:54:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757350Ab3CEUxF (ORCPT ); Tue, 5 Mar 2013 15:53:05 -0500 Received: from mail-ia0-f179.google.com ([209.85.210.179]:53109 "EHLO mail-ia0-f179.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1758186Ab3CEUxB (ORCPT ); Tue, 5 Mar 2013 15:53:01 -0500 Received: by mail-ia0-f179.google.com with SMTP id x24so6549558iak.24 for ; Tue, 05 Mar 2013 12:53:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=x-received:sender:from:to:cc:subject:date:message-id:x-mailer :in-reply-to:references; bh=Ib45EoJ7m5/ZJaHenduhqYN5ebhxSZZ8Mt4B22KUwk4=; b=jQhpYkY753txXqjZOz0cc1pFSZJoDc1GoKCIuKxra+1GacAl3OJpRN1tA/Veh0LVzD w1E6Y+s3SbqAWBHr4BNBaLbIVVMW1CSPR8637lNgCmcxEWsMEF2JCvYpqFwbDMc9A7qF B/mCdf7F7SrDQqSinGx3M7m1sHVI0Orb6y3BPkxz7tjf3K94dp83onw8qJtpf4uZOv+H 4laUCMz/+lSNbVHKuvfd73aGTJckuX4iF97nmEKYxRn2hpPgXaE+3EcI0MIOVU+1eKa0 9YYgUkWoaoaXVOiheV8modz2mQ0ShdUg/gY9iS2JGhScM62izGlAQJnjwbgZig/LSDgE jlHA== X-Received: by 10.50.13.228 with SMTP id k4mr7659009igc.30.1362516780515; Tue, 05 Mar 2013 12:53:00 -0800 (PST) Received: from beef.ohporter.com (cpe-98-27-254-98.neo.res.rr.com. [98.27.254.98]) by mx.google.com with ESMTPS id gy3sm19430914igc.10.2013.03.05.12.52.58 (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Tue, 05 Mar 2013 12:52:59 -0800 (PST) From: Matt Porter To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Rob Landley Cc: 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 , Rob Herring Subject: [PATCH v8 5/9] dmaengine: edma: Add TI EDMA device tree binding Date: Tue, 5 Mar 2013 15:53:11 -0500 Message-Id: <1362516795-6346-6-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1362516795-6346-1-git-send-email-mporter@ti.com> References: <1362516795-6346-1-git-send-email-mporter@ti.com> Sender: linux-omap-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org The binding definition is based on the generic DMA controller binding. Signed-off-by: Matt Porter --- 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>; +};