From patchwork Thu Oct 18 13:26:46 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matt Porter X-Patchwork-Id: 1610741 Return-Path: X-Original-To: patchwork-linux-omap@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id E45B93FC1A for ; Thu, 18 Oct 2012 13:29:33 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755910Ab2JRN3M (ORCPT ); Thu, 18 Oct 2012 09:29:12 -0400 Received: from mail-ie0-f174.google.com ([209.85.223.174]:33242 "EHLO mail-ie0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755293Ab2JRNZ5 (ORCPT ); Thu, 18 Oct 2012 09:25:57 -0400 Received: by mail-ie0-f174.google.com with SMTP id k13so13728721iea.19 for ; Thu, 18 Oct 2012 06:25:57 -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=/DJI+O1a+HadgABYbOnha92ecwjr14mfc1Ay6apV+44=; b=rucDH8bsVHiiL0fpfP55YqeG0SK4fKtNQTpVa0GOKVxFZJ4XjAHp+lxuHZ8pUMOc0Z Uh9FEPGI6BWYkAiDX52a/phGNbHwWUw8dkmMxbAOU0eGRmk9D0ZzB7dyqCdwGR5fys9x csCr7+IxfE1zuvMnH0Y2HzzPpMfRgvd0xA/l9AySJxcibdAixkgkMCiBdWkQ4OJGK/LT tlAmuPP2kM5i4nSf43x5Erjqihg82Zis37azmQXRV6xhgBU2nLjjVfCmxuHZyNMhj5/r hrkbLzGBXCVcB1ucI85Jxv9VHwcISC/ZKj4oYwGsGYwWJID0ydtquO0Z/4e1njdQnjK4 +VUw== Received: by 10.50.149.163 with SMTP id ub3mr4657484igb.67.1350566755979; Thu, 18 Oct 2012 06:25:55 -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 x7sm14244186igk.8.2012.10.18.06.25.54 (version=TLSv1/SSLv3 cipher=OTHER); Thu, 18 Oct 2012 06:25:55 -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 v3 07/16] dmaengine: edma: Add TI EDMA device tree binding Date: Thu, 18 Oct 2012 09:26:46 -0400 Message-Id: <1350566815-409-8-git-send-email-mporter@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1350566815-409-1-git-send-email-mporter@ti.com> References: <1350566815-409-1-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 | 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>; + 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>; +};