From patchwork Thu Sep 20 14:43:38 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 1485911 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 4F40DDF2D2 for ; Thu, 20 Sep 2012 14:45:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755896Ab2ITOpP (ORCPT ); Thu, 20 Sep 2012 10:45:15 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:52363 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755754Ab2ITOmZ (ORCPT ); Thu, 20 Sep 2012 10:42:25 -0400 Received: by mail-ie0-f174.google.com with SMTP id k13so3502236iea.19 for ; Thu, 20 Sep 2012 07:42:25 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=sender:from:to:cc:subject:date:message-id:x-mailer:in-reply-to :references; bh=4vGWsLejHBSIk0EhKPu/m1nFC71b7xFFF4vZjgRc+Tk=; b=0GXIRu9rZpojUv2JubnMmxlWX9+EtEulmQlJxEREUxhFLCCLBCdIJGv037M6VD3Rrd J/IT9ZlkkIEWT1oIVe8JqJopPNpqKhzBJDgvfLhCNmogATYjhjJ/ZKC58WbMBZUgTaeF TjezVDIefL7TlSsk3W86mCfGJzBkHAFUNhK3CP5oVSDHB8pHTzkjyIq5Lcac928dGY/6 z5BWPjyv2SJwDIHEO/30xvpApLeaC9PHAM0JKZ9eiU7S9dGas6tkzWokiC8OEj1V2GLV isMRauDps4M+2ANkNtKVWjNACzEDDl0tEvfPVcpx783HNeQuUrlFdXMQZICl6Jxii2LO VqXQ== Received: by 10.50.91.162 with SMTP id cf2mr1883085igb.40.1348152144978; Thu, 20 Sep 2012 07:42:24 -0700 (PDT) Received: from beef.ohporter.com (cpe-24-166-64-7.neo.res.rr.com. [24.166.64.7]) by mx.google.com with ESMTPS id p5sm15288242igm.13.2012.09.20.07.42.22 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 20 Sep 2012 07:42:24 -0700 (PDT) From: Matt Porter To: Tony Lindgren , Sekhar Nori , Grant Likely , Mark Brown , Benoit Cousson , Russell King , Vinod Koul , Rob Landley , Chris Ball 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 , Dan Williams , Rob Herring Subject: [RFC PATCH 05/13] dma: Add TI EDMA device tree binding Date: Thu, 20 Sep 2012 10:43:38 -0400 Message-Id: <1348152226-13588-6-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1348152226-13588-1-git-send-email-mporter@ti.com> References: <1348152226-13588-1-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..06402eb --- /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 + +Example: + +edma: edma@49000000 { + #address-cells = <1>; + #size-cells = <0>; + 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>; +}; +